Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Other Income and Expenses [Abstract]
Income from cash and cash investments	$ 0	$ 1
Income (Loss) from Equity Method Investments	2	0
Foreign currency transaction losses	0	(9)
Net periodic pension and post-retirement benefit cost	(11)	(8)
Dividend income	3	0
Total other, net	$ (6)	$ (16)