Intangible Assets, net and Goodwill - Schedule of Finite and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	$ 2,530	$ 2,519
Amortizable intangible assets, accumulated amortization	(1,604)	(1,479)
Amortizable intangible assets, net balance	926	1,040
Non-amortizable intangible assets:
Total intangible assets, gross carrying value	2,580	2,569
Total intangible assets, accumulated amortization (excluding goodwill)	(1,606)	(1,481)
Intangible assets, net	974	1,088
Trade names
Non-amortizable intangible assets:
Non-amortizable intangible assets, Gross Carrying Value	50	50
Non-amortizable intangible assets, Accumulated Amortization	(2)	(2)
Non-amortizable intangible assets, Net Balance	48	48
Customer relationships
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	904	904
Amortizable intangible assets, accumulated amortization	(429)	(384)
Amortizable intangible assets, net balance	475	520
Intellectual property
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	903	893
Amortizable intangible assets, accumulated amortization	(659)	(621)
Amortizable intangible assets, net balance	244	272
Licenses
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	471	472
Amortizable intangible assets, accumulated amortization	(369)	(344)
Amortizable intangible assets, net balance	102	128
Brand names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	126	127
Amortizable intangible assets, accumulated amortization	(94)	(86)
Amortizable intangible assets, net balance	32	41
Trade names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	114	112
Amortizable intangible assets, accumulated amortization	(46)	(38)
Amortizable intangible assets, net balance	68	74
Patents and other
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	12	11
Amortizable intangible assets, accumulated amortization	(7)	(6)
Amortizable intangible assets, net balance	$ 5	$ 5