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WILDFIRE-RELATED CONTINGENCIES (Changes in Accrued Wildfire Fund Recoveries) (Details) - 2021 Dixie fire $ in Millions | 9 Months Ended
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Sep. 30, 2025 USD ($)
Loss Contingency Accrual [Roll Forward] |
Wildfire Fund Receivable, Beginning Balance | $ 756
Accrued Wildfire Fund recoveries | 200
Claims paid by Wildfire Fund | (440)
Wildfire Fund Receivable, Ending Balance | $ 516

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- Definition Loss Contingency, Claims Paid By Wildfire Fund + References No definition available. + Details
Name: | pcg_LossContingencyWildfireFundPaymentForClaims
Namespace Prefix: | pcg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Loss Contingency, Wildfire Fund Recoveries Accrued + References No definition available. + Details
Name: | pcg_LossContingencyWildfireFundRecoveriesAccrued
Namespace Prefix: | pcg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Wildfire Fund Receivable + References No definition available. + Details
Name: | pcg_LossContingencyWildfireFundRecoveriesReceivable
Namespace Prefix: | pcg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LossContingencyAccrualRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=pcg_DixieFire2021Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |