Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net income	$ 888	$ 1,450	$ 828
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (related to PG&E Corporation net of income tax of $0, $10 and $80 and related to the Utility of $1, $6, and $75, at respective dates)	(1)	(14)	113
Net change in investments (net of taxes $12, $17, and $26, at respective dates)	(17)	(25)	38
Total other comprehensive income (loss)	(18)	(39)	151
Comprehensive Income	870	1,411	979
Preferred stock dividend requirement of subsidiary	14	14	14
Comprehensive Income Attributable to Common Shareholders	856	1,397	965
Pacific Gas And Electric Company [Member]
Net income	862	1,433	866
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (related to PG&E Corporation net of income tax of $0, $10 and $80 and related to the Utility of $1, $6, and $75, at respective dates)	(2)	(8)	106
Total other comprehensive income (loss)	(2)	(8)	106
Comprehensive Income	$ 860	$ 1,425	$ 972