Other Income (Loss), Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	$ 0	$ (22)	$ 42
Other derivative (loss) income
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	(1)	(41)	66
Dividend expense
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	(2)	(10)	(14)
Loss on extinguishment of debt
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	0	(12)	(5)
Equity earnings from non-consolidated affiliates
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	7	1	0
Foreign currency transaction (loss) income
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	(1)	1	(3)
Tax settlement gain
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	0	38	0
Non-service pension and other post-retirement benefits expense
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	(8)	(4)	(4)
Other
Component of Other Income (Loss), Net [Line Items]
Other (loss) income, net	$ 5	$ 5	$ 2