Condensed Consolidated Statements Of Income (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Operating Revenues
Electric	$ 3,001	$ 2,799
Natural gas	890	873
Total operating revenues	3,891	3,672
Operating Expenses
Cost of electricity	1,210	983
Cost of natural gas	360	346
Operating and maintenance	1,299	1,338
Depreciation, amortization, and decommissioning	538	503
Total operating expenses	3,407	3,170
Operating Income	484	502
Interest income	3	2
Interest expense	(185)	(176)
Other income, net	19	28
Income Before Income Taxes	321	356
Income tax provision	91	114
Net Income	230	242
Preferred stock dividend requirement of subsidiary	3	3
Income Available for Common Shareholders	227	239
Weighted average common shares outstanding, basic	459	434
Weighted Average Common Shares Outstanding, Diluted	460	435
Net Earnings Per Common Share, Basic	$ 0.49	$ 0.55
Net Earnings Per Common Share, Diluted	$ 0.49	$ 0.55
Dividends Declared Per Common Share	$ 0.46	$ 0.46
Pacific Gas And Electric Company [Member]
Operating Revenues
Electric	3,000	2,798
Natural gas	890	873
Total operating revenues	3,890	3,671
Operating Expenses
Cost of electricity	1,210	983
Cost of natural gas	360	346
Operating and maintenance	1,297	1,336
Depreciation, amortization, and decommissioning	538	503
Total operating expenses	3,405	3,168
Operating Income	485	503
Interest income	2	1
Interest expense	(179)	(170)
Other income, net	20	24
Income Before Income Taxes	328	358
Income tax provision	100	121
Net Income	228	237
Preferred stock dividend requirement	3	3
Income Available for Common Shareholders	$ 225	$ 234