INCOME TAXES - NARRATIVE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax benefits from legislative impacts	$ 73
Change in valuation allowances	(266)	$ 347	$ 0
Possible decrease in unrecognized income tax benefits	150
Income tax (benefit) expense	701	219	490
Accrual for interest and penalties	17	15
Interest and penalties expense	2		2
Tax Credit Carryforwards
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Change in valuation allowances	(344)
Foreign Tax Credit Carryforwards
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Change in valuation allowances	78	330
Disposal Group Held-for-sale
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax expense from divestiture	502
Disposal Group Held-for-sale | Ecogas
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax expense from divestiture	14
Income tax expense from divestiture, after noncontrolling interest	10
SDG&E
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax benefits from legislative impacts	26
Income tax (benefit) expense	(128)	153	(26)
SDG&E | Change in Accounting Method Accounted for as Change in Estimate
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax (benefit) expense			(34)
SoCalGas
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax benefits from legislative impacts	47
Income tax (benefit) expense	(38)	$ 31	(5)
SoCalGas | Change in Accounting Method Accounted for as Change in Estimate
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax (benefit) expense			(97)
Cumulative Effect, Period of Adoption, Adjustment | SoCalGas
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax (benefit) expense			$ (43)
Foreign | Disposal Group Held-for-sale | SI Partners
Schedule of Effect of Changes in Legislation of Income Tax (Expense) [Line Items]
Income tax expense	$ 693