OTHER CONTINGENCIES AND COMMITMENTS (Schedule Environmental Remediation Liability Composed) (Details) - USD ($) $ in Millions	Mar. 31, 2026	Dec. 31, 2025
Commitments and Contingencies Disclosure [Abstract]
Topock natural gas compressor station	$ 301	$ 315
Hinkley natural gas compressor station	96	99
Former MGP sites owned by the Utility or third parties	867	715
Utility-owned generation facilities (other than fossil fuel-fired), other facilities, and third-party disposal sites	75	71
Fossil fuel-fired generation facilities and sites	17	17
Total environmental remediation liability	$ 1,356	$ 1,217