Debt (Schedule Of Line Of Credit) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Utility [Member]
Debt [Line Items]
Expiration date for credit agreement	Apr. 01, 2019
Facility Limit	$ 3,000	[1]
Letters of Credit outstanding	84
Borrowings	0
Commercial Paper	333
Facility Availability	2,583
Letters of credit, sublimit	1,000
Swingline loans, sublimit	300
Swingline loan repay term (days)	7 days
Pg E Corporation [Member]
Debt [Line Items]
Expiration date for credit agreement	Apr. 01, 2018
Facility Limit	300	[2]
Letters of Credit outstanding	0
Borrowings	0
Commercial Paper	0
Facility Availability	300
Letters of credit, sublimit	100
Swingline loans, sublimit	100
Swingline loan repay term (days)	7 days
Credit Facilities [Member]
Debt [Line Items]
Facility Limit	3,300
Letters of Credit outstanding	84
Borrowings	0
Commercial Paper	333
Facility Availability	$ 2,883

[1] Includes a $1.0 billion sublimit for letters of credit and a $300 million commitment for loans that are made available on a same-day basis and are repayable in full within 7 days.

[2] Includes a $100 million sublimit for letters of credit and a $100 million commitment for loans that are made available on a same-day basis and are repayable in full within 7 days.