CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Common Stock	Reinvested Earnings	Accumulated Other Comprehensive Income (Loss)	Total Shareholders’ Equity	Non controlling Interest - Preferred Stock of Subsidiary	Pacific Gas & Electric Co	Pacific Gas & Electric Co Preferred Stock	Pacific Gas & Electric Co Common Stock	Pacific Gas & Electric Co Additional Paid-in Capital	Pacific Gas & Electric Co Reinvested Earnings	Pacific Gas & Electric Co Accumulated Other Comprehensive Income (Loss)	Pacific Gas & Electric Co Total Shareholders’ Equity
Beginning balance (in shares) at Dec. 31, 2018		520,338,710
Beginning balance at Dec. 31, 2018	$ 12,903	$ 12,910	$ (250)	$ (9)	$ 12,651	$ 252		$ 258	$ 1,322	$ 8,550	$ 2,826	$ (1)	$ 12,955
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	136		136		136		$ 133				133		133
Other comprehensive income (loss)	0			0	0
Common stock issued, net (in shares)		8,871,568
Common stock issued, net	85	$ 85			85
Stock-based compensation amortization	5	$ 5			5
Ending balance (in shares) at Mar. 31, 2019		529,210,278
Ending balance at Mar. 31, 2019	$ 13,129	$ 13,000	(114)	(9)	12,877	252		258	1,322	8,550	2,959	(1)	13,088
Beginning balance (in shares) at Dec. 31, 2019	529,236,741	529,236,741					264,374,809
Beginning balance at Dec. 31, 2019	$ 5,388	$ 13,038	(7,892)	(10)	5,136	252		258	1,322	8,550	(4,796)	1	5,335
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income	374		374		374		$ 451				451		451
Other comprehensive income (loss)	0			0	0
Common stock issued, net (in shares)		549,155
Stock-based compensation amortization	$ (3)	$ (3)			(3)
Ending balance (in shares) at Mar. 31, 2020	529,785,896	529,785,896					264,374,809
Ending balance at Mar. 31, 2020	$ 5,759	$ 13,035	$ (7,518)	$ (10)	$ 5,507	$ 252		$ 258	$ 1,322	$ 8,550	$ (4,345)	$ 1	$ 5,786