Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Decrease (increase) in current assets:
Receivables, net	$ (457)	$ 257
Inventories	693	(356)
Prepaid expenses and other	63	86
Increase (decrease) in current liabilities:
Accounts payable	(42)	(130)
Accrued expenses	(13)	(163)
Taxes other than income taxes payable	(84)	(102)
Income taxes payable	(3)	248
Changes in current assets and current liabilities	157	(160)
Cash flows related to interest and income taxes
Interest paid in excess of amount capitalized, including interest on finance leases	84	100
Income taxes paid, net	35	103
Operating cash flows
Operating Leases	127	124
Finance Leases	29	29
Financing cash flows
Finance Leases	65	56
Changes in lease balances resulting from new and modified leases, operating leases	100	153
Changes in lease balances resulting from new and modified leases, finance leases	10	186
Supplemental Cash Flow Information (Textual)
Increase in noncontrolling interest, conversion of IEnova Revolver debt to equity		457
Blender's Tax Credit Receivable [Member]
Supplemental Cash Flow Information (Textual)
Collection of blender's tax credit receivable	$ 246
Variable Interest Entity, Primary Beneficiary [Member] \| IEnova Revolver [Member] \| Line of Credit [Member] \| Central Mexico Terminals [Member]
Supplemental Cash Flow Information (Textual)
Debt conversion, debt amount converted		$ 457

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