Income Taxes (Schedule Of Deferred Tax Assets And Liabilities) (Details) - USD ($) $ in Millions		Dec. 31, 2017		Dec. 31, 2016
Pacific Gas And Electric Company [Member]
Compensation		$ 205		$ 199
Tax carryforwards		736		1,596
Other		194		203
Total deferred income tax assets		1,421		1,998
Regulatory balancing accounts		286
Property related basis differences		7,256		10,411
Income tax regulatory asset		0		1,572
Other		128		525
Total deferred income tax liabilities		7,384		12,508
Total net deferred income tax liabilities		5,963		10,510
PG&E Corporation [Member]
Compensation		274		277
Tax carryforwards		830		1,851
Other		185	[1]	186
Total deferred income tax assets		1,575		2,314
Regulatory balancing accounts	[2]	286
Property related basis differences		7,269		10,429
Income tax regulatory asset		0		1,572
Other		128	[3]	526
Total deferred income tax liabilities		7,397		12,527
Total net deferred income tax liabilities		$ 5,822		$ 10,213

[1] Amounts include benefits, environmental reserve, and customer advances for construction.

[2] Represents the tax gross up portion of the deferred income tax for the cumulative differences between amounts recognized for ratemaking purposes and amounts recognized for tax, including the impact of changes in net deferred taxes associated with a lower federal income tax rate as a result of the Tax Act. (For more information see Note 3 above and “Tax Cuts and Jobs Act of 2017” below.)

[3] Amounts primarily relate to regulatory balancing accounts.