Income Taxes - Schedule of Unrecognized Tax Benefits Roll Forward (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Beginning balance	$ 23	$ 25	$ 15
Additions for tax positions of the current period	0	1	2
Additions for tax positions of prior years	3	2	17
Reductions for tax positions of prior years	(7)	(3)	0
Settlements with tax authorities	(1)	0	(3)
Reductions due to the statute of limitations	(1)	(1)	(6)
Currency translation adjustment	0	(1)	0
Ending balance	17	23	25
Interest and penalties	7	6	5
Gross unrecognized tax benefits	24	29	30
Total UTB that, if recognized, would impact the effective income tax rate as of the end of the year	$ 16	$ 22	$ 23