Supplemental Cash Flow Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Mar. 31, 2024	Jun. 30, 2024	Jun. 30, 2023
Decrease (increase) in current assets:
Receivables, net		$ (801)	$ 1,225
Inventories		(503)	(73)
Prepaid expenses and other		218	(55)
Increase (decrease) in current liabilities:
Accounts payable		2,021	(1,909)
Accrued expenses		(215)	(128)
Taxes other than income taxes payable		17	(136)
Income taxes payable		(108)	(652)
Changes in current assets and current liabilities		629	(1,728)
Cash flows related to interest and income taxes
Interest paid in excess of amount capitalized, including interest on finance leases		283	273
Income taxes paid, net		659	2,410
Operating cash flows
Operating Leases		250	206
Finance Leases		58	54
Financing cash flows
Finance Leases		113	107
Changes in lease balances resulting from new and modified leases, operating leases		276	237
Changes in lease balances resulting from new and modified leases, finance leases		194	$ 48
Supplemental Cash Flow Information (Textual)
Increase in noncontrolling interest, conversion of IEnova Revolver debt to equity	$ 457	457
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	$ 457

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