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, 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	123	$ 177	123	177					123	177
Other comprehensive income	1	0	1								1
Ending balance at Mar. 31, 2021	21,379		21,127	$ 25,653	258	30,226	1,322	28,286	(9,073)	(4,208)	(26)	(5)
Beginning balance at Dec. 31, 2021	21,223	25,610	20,971		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						478	530
Other comprehensive income	0	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	$ 26,080	$ 21,392		$ 258	$ 34,726	$ 1,322	$ 28,286	$ (8,867)	$ (3,778)	$ (20)	$ (8)