Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Net income	$ 553	$ 391	$ 1,542	$ 711
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $0, $0, $0, and $0, at respective dates)	0	0	1	0
Total other comprehensive income (loss)	0	0	1	0
Comprehensive Income	553	391	1,543	711
Preferred stock dividend requirement of subsidiary	3	3	10	10
Comprehensive Income Attributable to Common Shareholders	550	388	1,533	701
Pacific Gas And Electric Company [Member]
Net income	513	389	1,491	706
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $0, $0, $0, and $0, at respective dates)	0	0	1	1
Total other comprehensive income (loss)	0	0	1	1
Comprehensive Income	$ 513	$ 389	$ 1,492	$ 707