Intangible Assets, net and Goodwill - Schedule of Finite and Indefinite-lived Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	$ 2,831	$ 2,815
Amortizable intangible assets, accumulated amortization	(1,180)	(1,100)
Amortizable intangible assets, net balance	1,651	1,715
Non-amortizable intangible assets:
Total intangible assets, gross carrying value	2,927	2,911
Total intangible assets, accumulated amortization (excluding goodwill)	(1,182)	(1,102)
Total intangible assets, net	1,745	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	1,092	1,084
Amortizable intangible assets, accumulated amortization	(321)	(299)
Amortizable intangible assets, net balance	771	785
Intellectual property
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	935	931
Amortizable intangible assets, accumulated amortization	(485)	(453)
Amortizable intangible assets, net balance	450	478
Licenses
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	549	546
Amortizable intangible assets, accumulated amortization	(273)	(253)
Amortizable intangible assets, net balance	276	293
Brand names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	124	123
Amortizable intangible assets, accumulated amortization	(62)	(59)
Amortizable intangible assets, net balance	62	64
Trade names
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	108	108
Amortizable intangible assets, accumulated amortization	(25)	(23)
Amortizable intangible assets, net balance	83	85
Patents and other
Amortizable intangible assets:
Amortizable intangible assets, gross carrying value	23	23
Amortizable intangible assets, accumulated amortization	(14)	(13)
Amortizable intangible assets, net balance	$ 9	$ 10