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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS, UTILITY (Parenthetical) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Premium, discount, and issuance costs on proceeds from long-term debt | $ 9 | $ 27
Pacific Gas & Electric Co (Utility) |  |
Premium, discount, and issuance costs on proceeds from long-term debt | $ 9 | $ 27

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- Definition The cash inflow from borrowings payable greater than 12 months, net of premium, discount and cash paid to third parties in connection with debt origination + References No definition available. + Details
Name: | pcg_LongTermDebtDiscountAndIssuanceCosts
Namespace Prefix: | pcg_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Details
Name: | dei_LegalEntityAxis=pcg_PacificGasElectricCoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |