COMMITMENTS, CONTINGENCIES AND GUARANTEES - LEASES CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Lessee, Lease, Description [Line Items]
Cash paid for operating leases	$ 159	$ 112	$ 85
Cash paid for finance leases	161	163	167
Cash paid for finance leases	69	66	60
Increase in operating lease obligations for ROU assets	386	520	143
Increase in finance lease obligations capitalized to PP&E	47	41	57
SDG&E
Lessee, Lease, Description [Line Items]
Cash paid for operating leases	114	70	46
Cash paid for finance leases	154	158	162
Cash paid for finance leases	43	42	40
Increase in operating lease obligations for ROU assets	319	474	134
Increase in finance lease obligations capitalized to PP&E	14	14	17
SoCalGas
Lessee, Lease, Description [Line Items]
Cash paid for operating leases	8	12	13
Cash paid for finance leases	7	6	5
Cash paid for finance leases	26	24	20
Increase in operating lease obligations for ROU assets	60	0	0
Increase in finance lease obligations capitalized to PP&E	$ 33	$ 27	$ 40