Debtor-In-Possession Financing, Covenant Terms, Post-Petition Obligations Liability, Maximum Amount

No definition available.

Name:	pcg_DebtorInPossessionFinancingCovenantTermsPostPetitionObligationsLiabilityMaximumAmount
Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debtor-In-Possession Financing, Covenant Terms, Unstayed Indebtedness, Maximum Amount

+ References

No definition available.

+ Details

Name:	pcg_DebtorInPossessionFinancingCovenantTermsUnstayedIndebtednessMaximumAmount
Namespace Prefix:	pcg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debtor-In-Possession Financing, Extension Fee

+ References

No definition available.

+ Details

Name:	pcg_DebtorInPossessionFinancingExtensionFee
Namespace Prefix:	pcg_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Debtor-In-Possession Financing, Fee On Unused Borrowings, Average Daily Unutilized Commitments

+ References

No definition available.

+ Details

Name:	pcg_DebtorInPossessionFinancingFeeOnUnusedBorrowingsAverageDailyUnutilizedCommitments
Namespace Prefix:	pcg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Debtor-In-Possession Financing, Fronting Fee

+ References

No definition available.

+ Details

Name:	pcg_DebtorInPossessionFinancingFrontingFee
Namespace Prefix:	pcg_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount debtor-in-possession financing arranged (but not necessarily all borrowed).

+ References

No definition available.

+ Details

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

- Definition

Amount of debtor-in-possession borrowings outstanding.

+ References

No definition available.

+ Details

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

- Definition

Percentage of fee on unused borrowings under debtor-in-possession financing arrangement.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtorInPossessionFinancingFeeOnUnusedBorrowings
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of letters of credit outstanding under debtor-in-possession financing arrangement.

+ References

No definition available.

+ Details

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

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_FederalFundsEffectiveSwapRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodOneMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentRedemptionPeriodAxis=us-gaap_DebtInstrumentRedemptionPeriodTwoMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=pcg_TermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=pcg_DelayedDrawTermLoanFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

DEBT (Debtor In Possession ("DIP") Facilities) (Details) - Line of Credit	Feb. 28, 2019 USD ($)	Feb. 27, 2019	Apr. 30, 2017	Feb. 01, 2019 USD ($)
Senior Secured Superpriority Debt \| DIP Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Amount arranged	$ 1,500,000,000			$ 5,500,000,000
Covenant terms, unstayed indebtedness, maximum amount	200,000,000
Covenant terms, post-petition obligations liability, maximum amount	$ 200,000,000
Senior Secured Superpriority Debt \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co
Line of Credit Facility [Line Items]
Extension fee	0.0025
Senior Secured Superpriority Debt \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Federal Funds Effective Swap Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
Senior Secured Superpriority Debt \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.00%
Senior Secured Superpriority Debt \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.00%
DIP Revolving Facility \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.50%
DIP Revolving Facility \| Minimum \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.90%
DIP Revolving Facility \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.00%
DIP Revolving Facility \| Pacific Gas & Electric Co \| Minimum \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.80%
DIP Revolving Facility \| Pacific Gas & Electric Co \| Minimum \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate			0.00%
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Amount arranged				3,500,000,000
Borrowings available				1,500,000,000
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co
Line of Credit Facility [Line Items]
Borrowings available	$ 350,000,000
Fee on unused borrowings based on average daily unutilized commitments	0.375%
Fronting fee	0.125%
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate	2.25%
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.25%
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Up To Six Months
Line of Credit Facility [Line Items]
Fee on unused borrowings	1.125%
DIP Revolving Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| After Six Months
Line of Credit Facility [Line Items]
Fee on unused borrowings	2.25%
Letter of Credit Subfacility \| DIP Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Amount arranged				1,500,000,000
Letters of credit available				750,000,000
Letter of Credit Subfacility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co
Line of Credit Facility [Line Items]
Letters of credit available	$ 30,000,000
DIP Initial Term Loan Facility \| DIP Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Amount arranged				1,500,000,000
DIP Initial Term Loan Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate		2.25%
DIP Initial Term Loan Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.25%
DIP Delayed Draw Term Loan Facility \| DIP Credit Agreement \| Subsequent Event
Line of Credit Facility [Line Items]
Amount arranged				$ 500,000,000
DIP Delayed Draw Term Loan Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| LIBOR
Line of Credit Facility [Line Items]
Basis spread on variable rate		2.25%
DIP Delayed Draw Term Loan Facility \| DIP Credit Agreement \| Subsequent Event \| Pacific Gas & Electric Co \| Base Rate
Line of Credit Facility [Line Items]
Basis spread on variable rate		1.25%