Segment Information - Schedule of Segment Operating Profit to Consolidated Income before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Segment operating profit	$ 73	$ 256	$ 405	$ 294
Interest expense, net	(77)	(85)	(305)	(256)
Other expense, net	(8)	(8)	0	(26)
Income (loss) before income taxes	(12)	163	100	12
Operating Segments
Segment Reporting Information [Line Items]
Segment operating profit	117	363	656	1,036
Restructuring and other charges
Segment Reporting Information [Line Items]
Segment operating profit	22	56	166	572
Corporate expense
Segment Reporting Information [Line Items]
Segment operating profit	$ (22)	$ (51)	$ (85)	$ (170)