WILDFIRE-RELATED CONTINGENCIES (Wildfire Fund) (Details) - USD ($) $ in Millions	Aug. 23, 2019	Dec. 31, 2023	Dec. 31, 2022
Loss Contingencies [Line Items]
Disallowance cap, transmission and distribution 2022 equity rate base		$ 3,700
Initial safety certification, documentation provided, period	90 days
Initial safety certification, period	12 months
Expected capitalization, proceeds of bond		10,500
Expected capitalization, initial contribution		7,500
Expected capitalization, annual contribution		300
Insurance receivable		436	$ 794
2021 Dixie fire
Loss Contingencies [Line Items]
Insurance receivable		326	$ 530
2021 Dixie fire | Other noncurrent assets – other
Loss Contingencies [Line Items]
Insurance receivable		325
2021 Dixie fire | Other noncurrent assets – other | Pacific Gas & Electric Co (Utility)
Loss Contingencies [Line Items]
Insurance receivable		$ 275