INCOME TAXES - DEFERRED INCOME TAXES (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	$ 7,691	$ 7,164
U.S. and foreign tax on repatriation of foreign earnings	0	79
Regulatory balancing accounts	637	850
Right-of-use assets – operating leases	357	325
Property taxes	0	74
Postretirement benefits	0	150
Other deferred income tax liabilities	446	94
Total deferred income tax liabilities	9,131	8,736
Deferred income tax assets:
Tax credits	1,564	1,485
Net operating losses	935	1,105
Compensation-related items	212	225
Operating lease liabilities	363	301
Other deferred income tax assets	173	219
Bad debt allowance	0	151
Accrued expenses not yet deductible	0	80
Deferred income tax assets before valuation allowances	3,247	3,566
Less: valuation allowances	233	503
Total deferred income tax assets	3,014	3,063
Net deferred income tax liability	6,117	5,673
Deferred income taxes assets, noncurrent	10	172
Deferred income tax liabilities, noncurrent	6,127	5,845
Disposal Group Held-for-sale | SI Partners
Deferred income tax assets:
Net deferred income tax liability	894
Deferred income tax liability	982
Deferred income tax assets	88
SDG&E
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	2,971	2,805
Regulatory balancing accounts	478	545
Right-of-use assets – operating leases	293	222
Property taxes	53	47
Postretirement benefits	0	0
Other deferred income tax liabilities	4	0
Total deferred income tax liabilities	3,799	3,619
Deferred income tax assets:
Tax credits	98	8
Net operating losses	77	122
Compensation-related items	0	8
Operating lease liabilities	293	222
Other deferred income tax assets	45	9
Bad debt allowance	0	29
Accrued expenses not yet deductible	0	10
Total deferred income tax assets	513	408
Net deferred income tax liability	3,286	3,211
Deferred income tax liabilities, noncurrent	3,286	3,211
SoCalGas
Deferred income tax liabilities:
Differences in financial and tax bases of utility plant and other assets	2,902	2,594
Regulatory balancing accounts	158	306
Right-of-use assets – operating leases	19	5
Property taxes	31	27
Postretirement benefits	173	124
Other deferred income tax liabilities	0	2
Total deferred income tax liabilities	3,283	3,058
Deferred income tax assets:
Tax credits	2	2
Net operating losses	799	874
Compensation-related items	0	26
Operating lease liabilities	19	5
Other deferred income tax assets	85	20
Bad debt allowance	54	72
Accrued expenses not yet deductible	53	54
Total deferred income tax assets	1,012	1,053
Net deferred income tax liability	2,271	2,005
Deferred income tax liabilities, noncurrent	$ 2,271	$ 2,005