Condensed Consolidated Statements Of Income - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating Revenues
Electric	$ 3,065	$ 3,131
Natural gas	1,203	843
Total operating revenues	4,268	3,974
Operating Expenses
Cost of electricity	847	950
Cost of natural gas	325	222
Operating and maintenance	1,504	2,010
Depreciation, amortization, and decommissioning	712	697
Total operating expenses	3,388	3,879
Operating Income	880	95
Interest income	5	4
Interest expense	(218)	(203)
Other income, net	21	27
Income Before Income Taxes	688	(77)
Income tax provision (benefit)	109	(187)
Net Income	579	110
Preferred stock dividend requirement of subsidiary	3	3
Income Available for Common Shareholders	$ 576	$ 107
Weighted Average Common Shares Outstanding, Basic	508	493
Weighted Average Common Shares Outstanding, Diluted	511	495
Net Earnings Per Common Share, Basic	$ 1.13	$ 0.22
Net Earnings Per Common Share, Diluted	1.13	0.22
Dividends Declared Per Common Share	$ 0.49	$ 0.46
Pacific Gas And Electric Company [Member]
Operating Revenues
Electric	$ 3,067	$ 3,132
Natural gas	1,204	843
Total operating revenues	4,271	3,975
Operating Expenses
Cost of electricity	847	950
Cost of natural gas	325	222
Operating and maintenance	1,504	2,011
Depreciation, amortization, and decommissioning	712	696
Total operating expenses	3,388	3,879
Operating Income	883	96
Interest income	5	4
Interest expense	(216)	(201)
Other income, net	17	24
Income Before Income Taxes	689	(77)
Income tax provision (benefit)	120	(185)
Net Income	569	108
Preferred stock dividend requirement	3	3
Income Available for Common Shareholders	$ 566	$ 105