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Other Income (Loss), Net (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net $ 71 $ (26)
Realized and unrealized gain on derivatives, net (Note 6)    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net 59 12
Other derivative loss    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net 0 (41)
Loss on extinguishment of debt    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net 0 (2)
Equity earnings from non-consolidated affiliates    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net 22 18
Foreign currency transaction loss    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net (1) (7)
Gain (loss) on disposition of assets, net    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net 3 (5)
Non-service pension and other post-retirement benefits expense    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net (13) (10)
Other    
Component of Other Income (Loss), Net [Line Items]    
Other income (loss), net $ 1 $ 9