Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Net income	$ 410	$ 210	$ 989	$ 320
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $0, $0, $0, and $0, at respective dates)	1	0	1	0
Total other comprehensive income (loss)	1	0	1	0
Comprehensive Income	411	210	990	320
Preferred stock dividend requirement of subsidiary	4	4	7	7
Comprehensive Income Attributable to Common Shareholders	407	206	983	313
Pacific Gas And Electric Company [Member]
Net income	409	209	978	317
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $0, $0, $0, and $0, at respective dates)	0	1	1	1
Total other comprehensive income (loss)	0	1	1	1
Comprehensive Income	$ 409	$ 210	$ 979	$ 318