OTHER CONTINGENCIES AND COMMITMENTS (Schedule Environmental Remediation Liability Composed) (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Disclosure Commitments And Contingencies Environmental Remediation Liability Composed [Abstract]
Topock natural gas compressor station	$ 287	$ 276
Hinkley natural gas compressor station	104	104
Former MGP sites owned by the Utility or third parties	810	809
Utility-owned generation facilities (other than fossil fuel-fired), other facilities, and third-party disposal sites	75	107
Fossil fuel-fired generation facilities and sites	18	19
Total environmental remediation liability	$ 1,294	$ 1,315