Organization And Basis of Presentation (Narrative) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended			12 Months Ended
		Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2015		Jun. 30, 2014	Dec. 31, 2014
Organization And Basis Of Presentation [Line Items]
Total Penalties Issued by CPUC				$ 628.0
Fine payable to the state			$ 100.0	100.0	[1]		$ 200.0
Bill Credit to Natural Gas Customers				400.0
Charge for disallowed capital		$ 74.0		128.0		$ 0.0
C P U C Remedial Measures	[2]			0.0
C P U C Disallowed Future P S E P Spending				850.0
Total Penalty Decision [Member]
Organization And Basis Of Presentation [Line Items]
Total Penalties Issued by CPUC				1,600.0
Fine payable to the state	[1]			300.0
Bill Credit to Natural Gas Customers				400.0
Charge for disallowed capital				688.5
C P U C Remedial Measures	[2]			50.0
Pacific Gas And Electric Company [Member]
Organization And Basis Of Presentation [Line Items]
Charge for disallowed capital				$ 128.0		$ 0.0

[1] In March 2015, the Utility increased its accrual from $200 million at December 31, 2014 to $300 million.

[2] In the Penalty Decision, the CPUC estimates that the Utility would incur $50 million to comply with the other remedies in the Penalty Decision, including $30 million to reimburse the CPUC for the costs of future audits. Remedial costs are expensed as incurred. Other than the refund of CPUC audit costs, the majority of the remedies have been completed or are underway and the associated costs have already been incurred.