Debtor In Possession Financing upfront Fees On commitment

No definition available.

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Period Type:	instant

- Definition

Line Of Credit Minimum Liquidity Over Amount

+ References

No definition available.

+ Details

Name:	crc_LineOfCreditMinimumLiquidityOverAmount
Namespace Prefix:	crc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Line Of Credit Minimum Liquidity Over Rolling Amount

+ References

No definition available.

+ Details

Name:	crc_LineOfCreditMinimumLiquidityOverRollingAmount
Namespace Prefix:	crc_
Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Percentage Of Debt Hedged By Price Risk Derivatives

+ References

No definition available.

+ Details

Name:	crc_PercentageOfDebtHedgedByPriceRiskDerivatives
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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

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- Definition

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

+ References

No definition available.

+ Details

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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

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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

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Interest rate on outstanding borrowings under debtor-in-possession financing arrangement.

+ References

No definition available.

+ Details

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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

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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

- Details

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- Details

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- Details

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- Details

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- Details

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DEBT - Debtor-in-Possession Credit Agreement (Details) - USD ($) $ in Millions	Jul. 23, 2020	Jun. 30, 2020
Debt instrument
Percentage of debt hedged by price risk derivatives		25.00%
Line of credit minimum liquidity over rolling amount		$ 50
Line of credit minimum liquidity over amount		$ 35
Debtor-in-Possession Revolving Facility
Debt instrument
Upfront fees on commitment		1.00%
Commitment fees		0.50%
Debtor-in-Possession Revolving Facility \| LIBOR
Debt instrument
Outstanding interest rate on borrowings		4.50%
Debtor-in-Possession Revolving Facility \| Alternative Base Rate
Debt instrument
Outstanding interest rate on borrowings		3.50%
Junior Debtor-in-Possession Facility
Debt instrument
Upfront fees on commitment		1.00%
Junior Debtor-in-Possession Facility \| LIBOR
Debt instrument
Outstanding interest rate on borrowings		9.00%
Junior Debtor-in-Possession Facility \| Alternative Base Rate
Debt instrument
Outstanding interest rate on borrowings		8.00%
Subsequent Event
Debt instrument
Debtor-in-possession financing, amount arranged	$ 483
Debtor in possession financing, borrowings outstanding	83
Letters of credit outstanding	150
Subsequent Event \| Debtor-in-Possession Revolving Facility
Debt instrument
Debtor in possession financing, borrowings outstanding	250
Line of credit facility remaining borrowing capacity	85
Subsequent Event \| Junior Debtor-in-Possession Facility
Debt instrument
Debtor-in-possession financing, amount arranged	$ 650