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, 2021	$ 21,223		$ 20,971	$ 25,610	$ 258	$ 35,129	$ 1,322	$ 28,286	$ (9,284)	$ (4,247)	$ (20)	$ (9)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	478	$ 530	478	530					478	530
Other comprehensive income (loss)	0	1		1								1
Preferred stock dividend requirement of subsidiary in arrears	(59)		(59)	(59)					(59)	(59)
Preferred stock dividend requirement				(2)						(2)
Ending balance at Mar. 31, 2022	21,644		21,392	26,080	258	34,726	1,322	28,286	(8,867)	(3,778)	(20)	(8)
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	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)