CONDENSED CONSOLIDATED STATEMENTS OF EQUITY, UTILITY - USD ($) $ in Millions	Total	Pacific Gas & Electric Co (Utility)	Total Shareholders' Equity	Total Shareholders' Equity Pacific Gas & Electric Co (Utility)	Preferred Stock Pacific Gas & Electric Co (Utility)	Common Stock	Common Stock Pacific Gas & Electric Co (Utility)	Additional Paid-in Capital Pacific Gas & Electric Co (Utility)	Reinvested Earnings	Reinvested Earnings Pacific Gas & Electric Co (Utility)	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Pacific Gas & Electric Co (Utility)
Beginning balance at Dec. 31, 2022	$ 23,075		$ 22,823	$ 27,484	$ 258	$ 32,887	$ 1,322	$ 29,280	$ (7,542)	$ (3,368)	$ (5)	$ (8)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	572	$ 626	572	626					572	626
Other comprehensive income (loss)	5	6	5	6							5	6
Equity contribution				310				310
Common stock dividend				(425)						(425)
Preferred stock dividend requirement				(3)						(3)
Ending balance at Mar. 31, 2023	23,586		23,334	27,998	258	32,214	1,322	29,590	(6,973)	(3,170)	0	(2)
Beginning balance at Dec. 31, 2023	25,292		25,040	29,524	258	30,374	1,322	30,570	(5,321)	(2,613)	(13)	(13)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	735	781	735						735
Other comprehensive income (loss)	(1)	$ (1)	(1)								(1)
Common stock dividend	(22)		(22)						(22)
Ending balance at Mar. 31, 2024	$ 25,983		$ 25,731	$ 30,291	$ 258	$ 30,356	$ 1,322	$ 31,010	$ (4,611)	$ (2,285)	$ (14)	$ (14)