Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2022	Jun. 30, 2021
Increase in current assets:
Receivables, net	$ (4,163)	$ (3,069)
Inventories	(1,056)	(47)
Prepaid expenses and other	(108)	(103)
Increase (decrease) in current liabilities:
Accounts payable	4,240	3,979
Accrued expenses	(126)	284
Taxes other than income taxes payable	133	162
Income taxes payable	952	45
Changes in current assets and current liabilities	(128)	1,251
Cash Flows Related to Interest and Income Taxes
Interest paid in excess of amount capitalized, including interest on finance leases	291	290
Income taxes paid (refunded), net	916	(882)
Operating cash flows
Operating Leases	196	199
Finance Leases	39	35
Financing cash flows
Finance Leases	86	63
Changes in lease balances resulting from new and modified leases, Operating Leases	92	315
Changes in lease balances resulting from new and modified leases, Finance Leases	$ 164	46
Domestic Tax Authority [Member] \| Internal Revenue Service (IRS) [Member]
Supplemental Cash Flow Information (Textual)
Proceeds from income tax refund		$ 962

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Amount of interest paid on finance lease liability.

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