INCOME TAXES (Schedule of Income Tax Provision (Benefit)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Current:
Federal	$ 2	$ (1)	$ (1)
State	(78)	0	0
Deferred:
Federal	(137)	(1,047)	(943)
State	15	(507)	(389)
Tax credits	(2)	(2)	(5)
Income tax benefit	(200)	(1,557)	(1,338)
Pacific Gas & Electric Co (Utility)
Current:
Federal	2	(1)	(1)
State	(78)	0	0
Deferred:
Federal	(72)	(981)	(852)
State	45	(477)	(348)
Tax credits	(2)	(2)	(5)
Income tax benefit	$ (105)	$ (1,461)	$ (1,206)