Goodwill and Other Intangibles - Other Intangibles (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	$ 41,746	$ 42,438
Accumulated Amortization	21,477	19,505
Net	20,269	22,933
IPR&D
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	7,661	9,281
Net	7,661	9,281
Products and product rights
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	23,555	23,671
Accumulated Amortization	16,745	15,776
Net	6,810	7,895
Trade names
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	2,879	2,882
Accumulated Amortization	635	493
Net	2,244	2,389
License
Intangible Assets Excluding Goodwill [Line Items]
Gross Carrying Amount	7,651	6,604
Accumulated Amortization	4,097	3,236
Net	$ 3,554	$ 3,368