| 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        2018-03
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        2011-03 - 2018-03
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Other Countries Not Elsewhere Classified: Cuba (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Urugua... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Trinid... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.02
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2003 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: St. Vi... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2007 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: St. Ki... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2012 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Peru (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Nether... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2005 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Mexico (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.24
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2001 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Hondur... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Sep 2016
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2016 - Sep 2016
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Guatem... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Sep 2016
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2016 - Sep 2016
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Ecuado... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2016 - Mar 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Domini... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2017 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Domini... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2010
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2005 - Dec 2010
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Costa ... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Colomb... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.08
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Chile (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.03
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2014 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Brazil (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.53
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Bolivi... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.05
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2008 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Bermud... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2008 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Barbad... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2007 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Aruba (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Jun 2015
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2015 - Jun 2015
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Argent... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.09
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere: Antigu... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Western Hemisphere (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.89
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Tanzan... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2004 - Mar 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: South ... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.05
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2017 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Seyche... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2008 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Rwanda (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Dec 2014
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2007 - Dec 2014
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Namibi... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Dec 2016
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Dec 2016
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Mozamb... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2014 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Maurit... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Mali (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2013 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Madaga... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2007 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Lesoth... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Dec 2011
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Dec 2011
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Guinea (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.01
            
                                        Dec 2014
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2014 - Dec 2014
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Ghana (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2004 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Gambia (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2013
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2011 - Dec 2013
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Botswa... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2012
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2012 - Dec 2012
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa: Angola (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Dec 2011
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Dec 2011
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Sub-Saharan Africa (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.04
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2004 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.14
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.16
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2018 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.02
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2007 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2016
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2016 - Dec 2016
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.21
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2011 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.09
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2003 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2002 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.06
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2003 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East, North Africa,... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.65
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Middle East (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.63
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Africa (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.04
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Ukraine (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.57
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Russia (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 1.12
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Moldova (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -3.20
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2001 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Kyrgyz Republ... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2014 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Kazakhstan (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.26
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2015 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Georgia (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.04
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Belarus (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.49
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Azerbaijan, R... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS: Armenia (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: CIS (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -1.83
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2001 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.24
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -2.27
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -11.91
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2017 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.10
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.01
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2006 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.12
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2013 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe: Emerging and Devel... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -14.30
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Europe (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -16.12
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2012 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Dec 2013
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2002 - Dec 2013
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.03
            
                                        Sep 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Sep 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2005 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2015 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2002 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.01
            
                                        Dec 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2017 - Dec 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Jun 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.10
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.00
            
                                        Dec 2016
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Dec 2016
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.49
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.00
            
                                        Sep 2017
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2016 - Sep 2017
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.02
            
                                        Dec 2015
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2014 - Dec 2015
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.14
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Sep 2017 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Emerging and Developing Economies: Emerging and Developing As... (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 0.67
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: United States (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 2.47
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Dec 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: United Kingdom (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -2.39
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: Switzerland (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -0.12
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2016 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: Sweden (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -2.07
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: Spain (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -3.81
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     | 
                                
                            
                        
                            
                                
                                    
                                        
                                        
                                        | 
                                            
                                            
                                                SM: Trade Balance: Advanced Economies: Slovenia (美元 百万)
                                            
                                         | 
                                    
                                    
                                        
                                        
                
                 -3.05
            
                                        Mar 2018
                                     | 
                                    
                                    
                                    
                                        季度
                                     | 
                                    
                                        Mar 2000 - Mar 2018
                                     |