Interest Expense, net (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Interest Income (Expense), Net [Abstract]
Interest expense	$ 43	$ 41	$ 87	$ 83
Amortization of deferred financing fees	2	2	3	3
Interest income	1	0	2	1
Interest expense, net	$ 44	$ 43	$ 88	$ 85