Segment Information - Schedule of Segment Operating Profit to Consolidated Income before Income Taxes (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting Information [Line Items]
Total segment operating profit	$ 200	$ 360	$ 539	$ 673
Restructuring and other charges	(105)	(472)	(144)	(516)
Operating income (loss)	74	(176)	332	38
Interest expense	(144)	(86)	(228)	(171)
Other (expense) income	(16)	(6)	8	(18)
Income (loss) before income taxes	(86)	(268)	112	(151)
Segment Reconciling Items
Segment Reporting Information [Line Items]
Restructuring and other charges	(105)	(472)	(144)	(516)
Corporate expense	(21)	(64)	(63)	(119)
Operating income (loss)	74	(176)	332	38
Interest expense	(144)	(86)	(228)	(171)
Other (expense) income	(16)	(6)	8	(18)
Income (loss) before income taxes	$ (86)	$ (268)	$ 112	$ (151)