INCOME TAXES - UNRECOGNIZED TAX BENEFITS (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of Unrecognized Tax Benefits
Beginning balance	$ 492	$ 278	$ 304
Increase in prior period tax positions	40	308	16
Decrease in prior period tax positions	(8)	(63)	(2)
Decrease in current period tax positions	0	(21)	0
Settlements with tax authorities	(15)	(16)	(43)
Expiration of statutes of limitations	0	0	(1)
Increase in current period tax positions	39	6	4
Ending balance	548	492	278
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate	(229)	(224)	(117)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate	1	1	38
SDG&E
Reconciliation of Unrecognized Tax Benefits
Beginning balance	14	14	14
Increase in prior period tax positions	0	2	0
Settlements with tax authorities	0	(2)	0
Ending balance	14	14	14
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate	(11)	(11)	(11)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate	1	1	1
SoCalGas
Reconciliation of Unrecognized Tax Benefits
Beginning balance	29	77	72
Increase in prior period tax positions	0	1	1
Decrease in prior period tax positions	0	(47)	0
Settlements with tax authorities	0	(2)	0
Increase in current period tax positions	0	0	4
Ending balance	29	29	77
Of the total, amounts related to tax positions that, if recognized, in future years, would decrease the effective tax rate	(29)	(29)	(67)
Of the total, amounts related to tax positions that, if recognized, in future years, would increase the effective tax rate	$ 0	$ 0	$ 37