CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	PG&E ShareCo Common Stock	Total Shareholders' Equity	Common Stock		Treasury Stock	Reinvested Earnings	Accumulated Other Comprehensive Income (Loss)	Non- controlling Interest - Preferred Stock  of Subsidiary
Beginning balance (in shares) at Dec. 31, 2018				520,338,710
Beginning balance at Dec. 31, 2018	$ 12,903		$ 12,651	$ 12,910			$ (250)	$ (9)	$ 252
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(7,642)		(7,642)				(7,642)
Total other comprehensive income (loss)	(1)		(1)					(1)
Common stock issued, net (in shares)				8,898,031
Common stock issued, net	85		85	$ 85
Stock-based compensation amortization	43		43	$ 43
Ending balance (in shares) at Dec. 31, 2019				529,236,741
Ending balance at Dec. 31, 2019	5,388		5,136	$ 13,038			(7,892)	(10)	252
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(1,304)		(1,304)				(1,304)
Total other comprehensive income (loss)	(17)		(17)					(17)
Common stock issued, net (in shares)				1,455,441,932
Common stock issued, net	15,854		15,854	$ 15,854
Equity units issued	1,304		1,304	1,304
Stock-based compensation amortization	$ 28		28	$ 28
Ending balance (in shares) at Dec. 31, 2020	1,984,678,673			1,984,678,673
Ending balance at Dec. 31, 2020	$ 21,253		21,001	$ 30,224			(9,196)	(27)	252
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	(88)		(88)				(88)
Total other comprehensive income (loss)	7		7					7
Common stock issued, net (in shares)		477,743,590		721,867	[1]
Common stock issued, net	4,854		4,854	$ 4,854
Treasury stock acquired (in shares)						477,743,590
Treasury stock acquired	(4,854)		(4,854)			$ (4,854)
Stock-based compensation amortization	$ 51		51	$ 51
Ending balance (in shares) at Dec. 31, 2021	1,985,400,540			1,985,400,540		477,743,590
Ending balance at Dec. 31, 2021	$ 21,223		$ 20,971	$ 35,129		$ (4,854)	$ (9,284)	$ (20)	$ 252

[1] Excludes 477,743,590 shares of common stock issued to ShareCo. For more information, see Note 6 below.