Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Decrease (increase) in current assets:
Receivables, net	$ (3,707)	$ (457)
Inventories	(16)	693
Prepaid expenses and other	(71)	63
Increase (decrease) in current liabilities:
Accounts payable	3,310	(42)
Accrued expenses	(102)	(13)
Taxes other than income taxes payable	(139)	(84)
Income taxes payable	422	(3)
Changes in current assets and current liabilities	(303)	157
Cash flows related to interest and income taxes
Interest paid in excess of amount capitalized, including interest on finance leases	96	84
Income taxes paid, net	63	35
Operating cash flows
Operating Leases	138	127
Finance Leases	29	29
Financing cash flows
Finance Leases	61	65
Changes in lease balances resulting from new and modified leases, operating leases	118	100
Changes in lease balances resulting from new and modified leases, finance leases	$ 0	10
Blender's Tax Credit Receivable [Member]
Supplemental Cash Flow Information (Textual)
Collection of blender's tax credit receivable		$ 246

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