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, 2019	$ 5,388		$ 5,136	$ 5,335	$ 258	$ 13,038	$ 1,322	$ 8,550	$ (7,892)	$ (4,796)	$ (10)	$ 1
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	(1,304)	$ 411	(1,304)	411					(1,304)	411
Other comprehensive income (loss)	(17)	(6)	(17)	(6)							(17)	(6)
Equity contribution				19,736				19,736
Ending balance at Dec. 31, 2020	21,253		21,001	25,476	258	30,224	1,322	28,286	(9,196)	(4,385)	(27)	(5)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	(88)	138	(88)	138					(88)	138
Other comprehensive income (loss)	7	(4)	7	(4)							7	(4)
Ending 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 (Loss)	1,814	2,226	1,814	2,226					1,814	2,226
Other comprehensive income (loss)	15	1	15	1							15	1
Equity contribution				994				994
Preferred stock dividend requirement of subsidiary in arrears	(59)		(59)	(59)					(59)	(59)
Preferred stock dividend requirement		$ (11)		(13)						(13)
Common stock dividend				(1,275)						(1,275)
Ending balance at Dec. 31, 2022	$ 23,075		$ 22,823	$ 27,484	$ 258	$ 32,887	$ 1,322	$ 29,280	$ (7,542)	$ (3,368)	$ (5)	$ (8)