Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Decrease (increase) in current assets:
Receivables, net	$ (112)	$ (801)
Inventories	418	(503)
Prepaid expenses and other	98	218
Increase (decrease) in current liabilities:
Accounts payable	(613)	2,021
Accrued expenses	112	(215)
Taxes other than income taxes payable	45	17
Income taxes payable	(116)	(108)
Changes in current assets and current liabilities	(168)	629
Cash flows related to interest and income taxes
Interest paid in excess of amount capitalized, including interest on finance leases	263	283
Income taxes paid, net	283	659
Operating cash flows
Operating Leases	261	250
Finance Leases	57	58
Financing cash flows
Finance Leases	129	113
Changes in lease balances resulting from new and modified leases, operating leases	266	276
Changes in lease balances resulting from new and modified leases, finance leases	18	194
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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