Segment Information - Schedule of Segment operating profit to consolidated income before income taxes (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Total segment operating profit	$ 508	$ 448
Restructuring and other charges	(21)	(12)
Operating income	399	374
Interest expense	(91)	(85)
Other expense, net	(17)	(32)
Income before income taxes	291	257
Segment Reconciling Items
Segment Reporting Information [Line Items]
Restructuring and other charges	(21)	(12)
Corporate expense	(88)	(62)
Operating income	399	374
Interest expense	(91)	(85)
Other expense, net	(17)	(32)
Income before income taxes	$ 291	$ 257