WILDFIRE-RELATED CONTINGENCIES (2018 Camp Fire Background) (Details) - Pacific Gas & Electric Co - 2018 Camp fire	Nov. 08, 2018 a fatality building
Loss Contingencies [Line Items]
Number of acres burned (acre) \| a	153,336
Number of fatalities (fatality) \| fatality	85
Number of other structures destroyed (structures) \| building	18,804

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration