CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME, UTILITY - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net Income (Loss)	$ 1,814	$ (88)	$ (1,304)
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $2, $1, and $2, at respective dates)	21	7	(17)
Net unrealized losses on available-for-sale securities (net of taxes of $3, $0, and $0, respectively)	(6)	0	0
Total other comprehensive income (loss)	15	7	(17)
Comprehensive Income (Loss)	1,829	(81)	(1,321)
Pacific Gas & Electric Co (Utility)
Net Income (Loss)	2,226	138	411
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $2, $1, and $2, at respective dates)	6	(4)	(6)
Net unrealized losses on available-for-sale securities (net of taxes of $3, $0, and $0, respectively)	(5)	0	0
Total other comprehensive income (loss)	1	(4)	(6)
Comprehensive Income (Loss)	$ 2,227	$ 134	$ 405