Description of Business, Accounting Policies, and Supplemental Disclosures - Accounts Receivable, Net and Other (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net and other	$ 42,360	$ 32,891
Allowance for doubtful accounts	1,400	1,100	$ 1,100
Additions to allowance for doubtful accounts	1,600	1,000	1,400
Deductions to allowance for doubtful accounts	1,300	1,100	$ 1,000
Customer receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net and other	26,600	20,200
Vendor receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net and other	6,900	5,300
Seller receivables
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable, net and other	$ 1,300	$ 1,000