Condensed Consolidated Statements of Income (USD $) In Millions, except Per Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Operating Revenues
Electric	$ 2,889	$ 2,515	$ 5,506	$ 5,025
Natural gas	795	717	1,775	1,682
Total operating revenues	3,684	3,232	7,281	6,707
Operating Expenses
Cost of electricity	906	863	1,794	1,783
Cost of natural gas	258	247	766	742
Operating and maintenance	1,237	959	2,463	1,950
Depreciation, amortization, and decommissioning	591	468	1,082	919
Total operating expenses	2,992	2,537	6,105	5,394
Operating Income	692	695	1,176	1,313
Interest income	3	2	5	4
Interest expense	(174)	(175)	(351)	(343)
Other income (expense), net	21	2	38	(4)
Income Before Income Taxes	542	524	868	970
Income tax provision	176	187	300	372
Net Income	366	337	568	598
Preferred stock dividend requirement of subsidiary	4	4	7	7
Preferred stock dividend requirement
Income Available for Common Shareholders	362	333	561	591
Weighted Average Common Shares Outstanding, Basic	399	373	397	372
Weighted Average Common Shares Outstanding, Diluted	400	390	399	389
Net Earnings Per Common Share, Basic	$ 0.91	$ 0.88	$ 1.41	$ 1.56
Net Earnings Per Common Share, Diluted	$ 0.91	$ 0.86	$ 1.41	$ 1.54
Dividends Declared Per Common Share	$ 0.46	$ 0.46	$ 0.91	$ 0.91
Pacific Gas and Electric Company [Member]
Operating Revenues
Electric	2,888	2,515	5,504	5,025
Natural gas	795	717	1,775	1,682
Total operating revenues	3,683	3,232	7,279	6,707
Operating Expenses
Cost of electricity	906	863	1,794	1,783
Cost of natural gas	258	247	766	742
Operating and maintenance	1,228	958	2,454	1,948
Depreciation, amortization, and decommissioning	592	468	1,082	919
Total operating expenses	2,984	2,536	6,096	5,392
Operating Income	699	696	1,183	1,315
Interest income	2	2	4	4
Interest expense	(169)	(164)	(340)	(320)
Other income (expense), net	16	1	33	(5)
Income Before Income Taxes	548	535	880	994
Income tax provision	189	196	320	391
Net Income	359	339	560	603
Preferred stock dividend requirement	4	4	7	7
Income Available for Common Shareholders	$ 355	$ 335	$ 553	$ 596