Goodwill and Other Intangible Assets - Other Intangible Assets (Details) - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	$ 2,888	$ 2,869
Finite-lived intangible assets, accumulated amortization	(1,416)	(1,358)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,472	1,511
Total indefinite-lived intangible assets	199	199
Intangible Assets, gross carrying amount	3,087	3,068
Identifiable intangible assets, less accumulated amortization	1,671	1,710
Brands and tradenames
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	88	88
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	1,983	1,968
Finite-lived intangible assets, accumulated amortization	(853)	(809)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	1,130	1,159
Brands and tradenames
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	428	427
Finite-lived intangible assets, accumulated amortization	(248)	(243)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	180	184
Other
Finite Lived and Indefinite Lived Intangible Assets [Line Items]
Finite-lived intangible assets, gross carrying amount	477	474
Finite-lived intangible assets, accumulated amortization	(315)	(306)
Finite-lived intangible assets, identifiable intangible assets, less accumulated amortization	$ 162	$ 168