Income Taxes (Schedule Of Effective Income Tax Rate Reconciliation) (Details)		12 Months Ended
		Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Pacific Gas And Electric Company [Member]
Federal statutory income tax rate		35.00%	35.00%	35.00%
State income tax (net of federal benefit)	[1]	(2.20%)	(4.80%)	1.60%
Effect of regulatory treatment of fixed asset differences	[2]	(23.40%)	(33.70%)	(14.70%)
Tax credits		(0.80%)	(1.30%)	(0.70%)
Benefit of loss carryback		(1.10%)	(1.50%)	(0.80%)
Non deductible penalties	[3]	0.80%	4.30%	0.30%
Other, net		(3.50%)	(0.20%)	0.40%
Effective tax rate		4.80%	(2.20%)	21.10%
PG&E Corporation [Member]
Federal statutory income tax rate		35.00%	35.00%	35.00%
State income tax (net of federal benefit)	[1]	(2.50%)	(4.90%)	1.40%
Effect of regulatory treatment of fixed asset differences	[2]	(23.70%)	(33.60%)	(15.00%)
Tax credits		(0.80%)	(1.30%)	(0.70%)
Benefit of loss carryback		(1.10%)	(1.50%)	(0.80%)
Non deductible penalties	[3]	0.80%	4.30%	0.30%
Other, net		(3.90%)	(1.10%)	(0.80%)
Effective tax rate		3.80%	(3.10%)	19.40%

[1] Includes the effect of state flow-through ratemaking treatment.

[2] Represents effect of federal flow-through ratemaking treatment including those deductions related to repairs and certain other property-related costs discussed below in the 2014 GRC Impact section.

[3] Represents the effects of non-tax deductible fines and penalties associated with the Penalty Decision. For more information about the Penalty Decision see “Enforcement and Litigation Matters” in Note 13 of the Notes to the Consolidated Financial Statements in Item 8.