Other Income (Loss), Net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	$ 15	$ (9)	$ 18	$ (6)
Equity earnings from non-consolidated affiliates
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	4	1	8	3
Gain (loss) on disposition of assets, net
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	10	(5)	6	0
Foreign currency transaction income (loss)
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	1	4	(1)	5
Non-service pension and other post-retirement benefits expense
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	0	(1)	(1)	(8)
Other
Component of Other Income (Loss), Net [Line Items]
Other income (loss), net	$ 0	$ (8)	$ 6	$ (6)