Supplemental Financial Information - Other Accrued Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Disclosure Text Block Supplement [Abstract]
Accrued rebates payable to government agencies	$ 638	$ 364
Accrued other rebates	1,087	1,082
All other	4,120	3,735
Total	5,845	5,181
Accrued wholesaler chargeback rebates	$ 234	$ 211