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