Other Income (Expense), Net (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Other Income and Expenses [Abstract]
Income from cash and cash investments and short-term bank deposits	$ 1	$ 1	$ 2	$ 3
Equity investment income, net	1	0	1	2
Foreign currency transaction (losses) gains	(4)	1	(2)	(5)
Net periodic pension and post-retirement benefit cost	(6)	(2)	(17)	(11)
Other Nonoperating Income (Expense) Other Income (Expense) Items, Net	0	0	0	(1)
Total other, net	$ (8)	$ 0	$ (16)	$ (12)