Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 2,815		$ 2,803
Finite-lived intangible assets, accumulated amortization	(1,186)		(1,129)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,629		1,674
Total indefinite-lived intangible assets	192		216
Intangible Assets, gross carrying amount	3,007		3,019
Identifiable intangible assets, less accumulated amortization	1,821		1,890
Amortization of intangible assets	62	$ 58
Trademarks and Trade Names
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	104		104
In Process Research and Development
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	81		105
Product Rights
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Total indefinite-lived intangible assets	7		7
Developed Technology Rights
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	1,946		1,938
Finite-lived intangible assets, accumulated amortization	(691)		(657)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,255		1,281
Brands
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	196		201
Trademarks and Trade Names
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	424		424
Finite-lived intangible assets, accumulated amortization	(228)		(223)
Other Intangible Assets
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	445		441
Finite-lived intangible assets, accumulated amortization	(267)		(249)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	$ 178		$ 192