Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Other Income and Expenses [Abstract]
Income from cash and cash investments	$ 0	$ 1	$ 2	$ 2
Income (Loss) from Equity Method Investments	1	1	1	1
Foreign currency transaction gains (losses)	1	(5)	(6)	(3)
Net periodic pension and post-retirement benefit cost	(9)	(6)	(25)	(17)
Dividend income	3	0	7	0
Other items, net	0	0	(1)	0
Total other, net	$ (4)	$ (9)	$ (22)	$ (17)