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Employee Benefit Plans - Amounts to be Recognized (Details)
$ in Millions
12 Months Ended
Dec. 31, 2016
USD ($)
Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (income) $ 1
Actuarial loss 0
U.S. Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (income) 0
Actuarial loss 0
International Pension Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (income) 1
Actuarial loss 0
Postretirement Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (income) (6)
Actuarial loss 2
Postemployment Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Prior service cost (income) (5)
Actuarial loss $ (4)