Commitments And Contingencies (Nuclear Fuel Agreements) (Details) (Nuclear Fuel [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Nuclear Fuel [Member]
Long-term Purchase Commitment [Line Items]
Long Term Contract For Purchase Commitments Expiration Beginning Date	2015
Long Term Contract For Purchase Commitments Expiration Ending Date	2025
Payments for Nuclear Fuel	$ 105	$ 162	$ 118

PG&E has entered into various contracts to purchase electric power. These contracts have different terms, some of them expire in a year and some of them expire in 25 years

No definition available.

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