INCOME TAXES - DEFERRED INCOME TAXES (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	$ 7,164	$ 6,875
U.S. state and non-U.S. withholding tax on repatriation of foreign earnings	79	55
Regulatory balancing accounts	850	727
Right-of-use assets – operating leases	325	211
Property taxes	74	68
Postretirement benefits	150	47
Other deferred income tax liabilities	94	68
Total deferred income tax liabilities	8,736	8,051
Deferred income tax assets:
Tax credits	1,485	1,468
Net operating losses	1,105	982
Compensation-related items	225	157
Operating lease liabilities	301	179
Other deferred income tax assets	219	96
Bad debt allowance	151	144
Accrued expenses not yet deductible	80	89
Deferred income tax assets before valuation allowances	3,566	3,115
Less: valuation allowances	503	189
Total deferred income tax assets	3,063	2,926
Net deferred income tax liability	5,673	5,125
Deferred income taxes assets, noncurrent	172	129
Deferred income tax liabilities, noncurrent	5,845	5,254
SDG&E
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	2,805	2,641
Regulatory balancing accounts	545	418
Right-of-use assets – operating leases	222	103
Property taxes	47	43
Postretirement benefits	0	0
Other deferred income tax liabilities	0	0
Total deferred income tax liabilities	3,619	3,205
Deferred income tax assets:
Tax credits	8	7
Net operating losses	122	146
Compensation-related items	8	9
Operating lease liabilities	222	103
Other deferred income tax assets	9	19
Bad debt allowance	29	37
Accrued expenses not yet deductible	10	11
Total deferred income tax assets	408	332
Net deferred income tax liability	3,211	2,873
Deferred income tax liabilities, noncurrent	3,211	2,873
SoCalGas
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	2,594	2,272
Regulatory balancing accounts	306	309
Right-of-use assets – operating leases	5	8
Property taxes	27	25
Postretirement benefits	124	71
Other deferred income tax liabilities	2	4
Total deferred income tax liabilities	3,058	2,689
Deferred income tax assets:
Tax credits	2	7
Net operating losses	874	890
Compensation-related items	26	31
Operating lease liabilities	5	8
Other deferred income tax assets	20	25
Bad debt allowance	72	86
Accrued expenses not yet deductible	54	56
Total deferred income tax assets	1,053	1,103
Net deferred income tax liability	2,005	1,586
Deferred income tax liabilities, noncurrent	$ 2,005	$ 1,586