v3.7.0.1
Accumulated Other Comprehensive Income (Loss) (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Accumulated other comprehensive income in the equity section of the balance sheet included    
Defined Benefit Plans, Beginning Balance $ (547)  
Defined Benefit Plans 48 $ (82)
Defined Benefit Plans, Ending Balance (499)  
Foreign Currency Translation, Beginning Balance (5,646)  
Foreign Currency Translation 184 1,183
Foreign Currency Translation, Ending Balance (5,462)  
Accumulated Other Comprehensive Income, Beginning Balance (6,193)  
Other Comprehensive Income (Loss), Net of Tax 232 $ 1,101
Accumulated Other Comprehensive Income, Ending Balance $ (5,961)