Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 2,823		$ 2,823		$ 2,803
Finite-lived intangible assets, accumulated amortization	(1,238)		(1,238)		(1,129)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,585		1,585		1,674
Total indefinite-lived intangible assets	198		198		216
Intangible Assets, gross carrying amount	3,021		3,021		3,019
Identifiable intangible assets, less accumulated amortization	1,783		1,783		1,890
Amortization of intangible assets	61	$ 58	122	$ 116
Trademarks and Trade Names
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	104		104		104
In Process Research and Development
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	87		87		105
Product Rights
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	7		7		7
Developed Technology Rights
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	1,941		1,941		1,938
Finite-lived intangible assets, accumulated amortization	(722)		(722)		(657)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,219		1,219		1,281
Brands
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	196		196		201
Trademarks and Trade Names
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	429		429		424
Finite-lived intangible assets, accumulated amortization	(233)		(233)		(223)
Other Intangible Assets
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	453		453		441
Finite-lived intangible assets, accumulated amortization	(283)		(283)		(249)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	$ 170		$ 170		$ 192