Condensed Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Operating Revenues
Electric	$ 4,012	$ 3,517	$ 10,246	$ 9,375
Natural gas	927	658	2,536	2,248
Total operating revenues	4,939	4,175	12,782	11,623
Operating Expenses
Cost of electricity	1,782	1,645	4,341	3,817
Cost of natural gas	134	131	694	656
Operating and maintenance	1,287	1,585	3,914	4,179
Depreciation, amortization, and decommissioning	671	523	1,766	1,542
Total operating expenses	3,874	3,884	10,715	10,194
Operating Income	1,065	291	2,067	1,429
Interest income	2	2	7	6
Interest expense	(174)	(179)	(547)	(532)
Other income, net	36	26	98	78
Income Before Income Taxes	929	140	1,625	981
Income tax provision (benefit)	115	(24)	310	243
Net Income	814	164	1,315	738
Preferred stock dividend requirement of subsidiary	3	3	10	10
Income Available for Common Shareholders	811	161	1,305	728
Weighted Average Common Shares Outstanding, Basic	472	446	466	441
Weighted Average Common Shares Outstanding, Diluted	474	447	468	442
Net Earnings Per Common Share, Basic	$ 1.72	$ 0.36	$ 2.80	$ 1.65
Net Earnings Per Common Share, Diluted	$ 1.71	$ 0.36	$ 2.79	$ 1.65
Dividends Declared Per Common Share	$ 0.46	$ 0.46	$ 1.37	$ 1.37
Pacific Gas And Electric Company [Member]
Operating Revenues
Electric	4,012	3,517	10,244	9,372
Natural gas	927	657	2,536	2,248
Total operating revenues	4,939	4,174	12,780	11,620
Operating Expenses
Cost of electricity	1,782	1,645	4,341	3,817
Cost of natural gas	134	131	694	656
Operating and maintenance	1,293	1,583	3,911	4,175
Depreciation, amortization, and decommissioning	671	523	1,765	1,542
Total operating expenses	3,880	3,882	10,711	10,190
Operating Income	1,059	292	2,069	1,430
Interest income	1	2	6	6
Interest expense	(171)	(172)	(535)	(513)
Other income, net	19	20	56	66
Income Before Income Taxes	908	142	1,596	989
Income tax provision (benefit)	115	(20)	325	261
Net Income	793	162	1,271	728
Preferred stock dividend requirement	3	3	10	10
Income Available for Common Shareholders	$ 790	$ 159	$ 1,261	$ 718