Basis of Presentation and Significant Accounting Policies - Accrued Rebates and Other Accruals (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Accrued Liabilities [Line Items]
Total accrued rebates and other sales-related accruals	$ 6,722	$ 5,850
Trade accounts receivable, less allowance for doubtful accounts [Member]
Schedule Of Accrued Liabilities [Line Items]
Total accrued rebates and other sales-related accruals	1,200	1,077
Other current liabilities [Member]
Schedule Of Accrued Liabilities [Line Items]
Accrued rebates	4,479	3,811
Other accruals	430	528
Other noncurrent liabilities [Member]
Schedule Of Accrued Liabilities [Line Items]
Total accrued rebates and other sales-related accruals	$ 612	$ 433