Intangible Assets, net and Goodwill - Schedule of Finite and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	$ 2,816	$ 2,815
Amortizable intangible assets, accumulated amortization	(1,250)	(1,100)
Amortizable intangible assets, net balance	1,566	1,715
Non-amortizable intangible assets:
Total intangible assets, gross carrying value	2,912	2,911
Total intangible assets, accumulated amortization (excluding goodwill)	(1,252)	(1,102)
Total intangible assets, net	1,660	1,809
Trade names
Non-amortizable intangible assets:
Non-amortizable intangible assets, Gross Carrying Value	96	96
Non-amortizable intangible assets, Accumulated Amortization	(2)	(2)
Non-amortizable intangible assets, Net Balance	94	94
Customer relationships
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	1,084	1,084
Amortizable intangible assets, accumulated amortization	(341)	(299)
Amortizable intangible assets, net balance	743	785
Intellectual property
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	931	931
Amortizable intangible assets, accumulated amortization	(512)	(453)
Amortizable intangible assets, net balance	419	478
Licenses
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	547	546
Amortizable intangible assets, accumulated amortization	(291)	(253)
Amortizable intangible assets, net balance	256	293
Brand names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	123	123
Amortizable intangible assets, accumulated amortization	(65)	(59)
Amortizable intangible assets, net balance	58	64
Trade names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	107	108
Amortizable intangible assets, accumulated amortization	(27)	(23)
Amortizable intangible assets, net balance	80	85
Patents and other
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	24	23
Amortizable intangible assets, accumulated amortization	(14)	(13)
Amortizable intangible assets, net balance	$ 10	$ 10