Additional Shareholder Contribution Funded by Tax Benefits, Amount, Securitization

No definition available.

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Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amortization of Regulatory Asset and Liability

+ References

No definition available.

+ Details

Name:	pcg_AmortizationOfRegulatoryAssetAndLiability
Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Debt [Line Items]

+ References

No definition available.

+ Details

Name:	pcg_DebtLineItems
Namespace Prefix:	pcg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Initial Shareholder Contribution, Amount, Securitization

+ References

No definition available.

+ Details

Name:	pcg_InitialShareholderContributionAmountSecuritization
Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Loss Contingency, Costs Incurred

+ References

No definition available.

+ Details

Name:	pcg_LossContingencyCostsIncurred
Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Carrying amount as of the balance sheet date of capitalized costs of regulated entities that are not expected to be recovered through revenue sources within one year or the normal operating cycle if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 980
-SubTopic 340
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478742/980-340-50-1

+ Details

Name:	us-gaap_RegulatoryAssetsNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(24))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

Name:	us-gaap_RegulatoryLiabilityNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_RegulatoryLiabilityAxis=pcg_SB901SecuritizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=pcg_SB901SecuritizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=pcg_NothernCaliforniaWildFireMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RegulatoryAssetAxis=pcg_SB901SecuritizationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

SB 901 SECURITIZATION AND CUSTOMER CREDIT TRUST (Narrative) (Details) - USD ($) $ in Millions			3 Months Ended			6 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 28, 2024	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2022	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2022	Dec. 31, 2024
Debt [Line Items]
Regulatory assets			$ 15,853			$ 15,853			$ 15,561
Regulatory liabilities			19,871			19,871			19,417
SB 901 securitization
Debt [Line Items]
Regulatory liabilities			6,145		$ 5,540	6,145			6,295
SB 901 securitization \| Secured Debt
Debt [Line Items]
Initial shareholder contribution	$ 664	$ 350			2,000			$ 1,000
Additional contributions funded by tax benefits						7,590
Amortization of regulatory asset and liability			63	$ 82		139	$ 162
Nothern California Wild Fire
Debt [Line Items]
Loss contingency, costs incurred					7,500
SB 901 securitization
Debt [Line Items]
Regulatory assets			$ 5,139		$ 5,500	$ 5,139			$ 5,194