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WILDFIRE-RELATED CONTINGENCIES (Indemnification Obligations and D&O Insurance Coverage (Details) $ in Millions | Jun. 30, 2022 USD ($)
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Insurance Coverage Claims |
Loss Contingencies [Line Items] |
Insurance receivable | $ 272

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- Definition Liability Insurance Coverage, Insurance Receivable + References No definition available. + Details
Name: | pcg_LiabilityInsuranceCoverageInsuranceReceivable
Namespace Prefix: | pcg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition 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. + References No definition available. + Details
Name: | us-gaap_LossContingenciesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=pcg_InsuranceCoverageClaimsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |