Condensed Consolidated Statements Of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net income	$ 391	$ 310	$ 711	$ 750
Other Comprehensive Income
Pension and other postretirement benefit plans obligations (net of taxes of $0, $0, $0, and $0, at respective dates)	0	0	0	0
Net change in investments (net of taxes of $0, $0, $0, and $12, at respective dates)	0	0	0	(17)
Total other comprehensive income (loss)	0	0	0	(17)
Comprehensive Income	391	310	711	733
Preferred stock dividend requirement of subsidiary	3	3	10	10
Comprehensive Income Attributable to Common Shareholders	388	307	701	723
Pacific Gas And Electric Company [Member]
Net income	389	305	706	715
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	$ 389	$ 305	$ 707	$ 715