Schedule I - Condensed Financial Information Of Parent (Schedule Of Condensed Income Statement) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating expenses	$ (14,640)	$ (13,836)	$ (13,347)
Interest income	9	9	7
Interest expense	(734)	(715)	(703)
Other income, net	70	40	70
Income Before Income Taxes	1,795	1,096	1,067
Income tax provision	345	268	237
Income Available for Common Shareholders	1,436	814	816
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract]
Net change in investments (net of taxes $17, $26, and $3, at respective dates)	(25)	38	4
Total other comprehensive income (loss)	(39)	151	112
Comprehensive Income	1,411	979	942
Weighted average common shares outstanding, basic	468	444	424
Weighted average common shares outstanding, diluted	470	445	425
Net earnings per common share, basic	$ 3.07	$ 1.83	$ 1.92
Net earnings per common share, diluted	$ 3.06	$ 1.83	$ 1.92
PG&E Corporation [Member]
Administrative service revenue	51	41	43
Operating expenses	(53)	(42)	(41)
Interest income	1	1	1
Interest expense	(14)	(25)	(22)
Other income, net	(1)	(57)	(39)
Equity in earnings of subsidiaries	1,413	848	817
Income Before Income Taxes	1,397	766	759
Income tax provision	39	48	57
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent [Abstract]
Pension and other postretirement benefit plans (net of taxes of $10, $80, $72, at respective dates)	(14)	113	108
Net change in investments (net of taxes $17, $26, and $3, at respective dates)	(25)	38	4
Total other comprehensive income (loss)	(39)	151	112
Comprehensive Income	$ 1,397	$ 965	$ 928
Weighted average common shares outstanding, basic	468	444	424
Weighted average common shares outstanding, diluted	470	445	425
Net earnings per common share, basic	$ 3.07	$ 1.83	$ 1.92
Net earnings per common share, diluted	$ 3.06	$ 1.83	$ 1.92