Long-Term Debt - Schedule of Interest Expense, Net and Other (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Debt Disclosure [Abstract]
Debt	$ 119	$ 128	$ 232	$ 252
Finance lease obligations	5	6	10	11
Amortization of deferred financing costs and debt issuance discount	6	8	12	15
Interest income	(2)	(5)	(7)	(9)
Interest expense, net	128	137	247	269
Cross-currency rate swaps | Derivatives designated as net investment hedges | Interest expense, net
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Gain (loss) reclassified to earnings, net investment hedge	$ 20	$ 19	$ 41	$ 37