XML 105 R77.htm IDEA: XBRL DOCUMENT
v3.20.4

DIVESTITURES AND ACQUISITIONS - Divestitures (Details) | 1 Months Ended | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 31, 2020 USD ($) | May 31, 2019 USD ($) well | Dec. 31, 2020 USD ($) | Oct. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
ACQUISITIONS AND DIVESTITURES |  |  |  |  |  |
Working interest in Lost Hills field sold |  | 50.00% |  |  |  |
Total consideration of the sale of Lost Hills field 50% interest |  | $ 200,000,000 |  |  |  |
Proceeds from divestiture of business |  | $ 168,000,000 |  |  |  |
Number of well development plan included in the sale of Lost Hills field | well |  | 200 |  |  |  |
Minimum value of well development plan of Lost Hills field |  | $ 35,000,000 |  |  |  |
Proceeds from sale of non-core assets | $ 41,000,000 | 164,000,000 | $ 0 | $ 41,000,000 | $ 164,000,000 | $ 18,000,000
Gain on asset divestitures | $ 0 | $ 0 | $ 0 | $ 0 | $ 0 | $ 5,000,000

X
- References No definition available. + Details
Name: | crc_AcquisitionsAndDivestituresAbstract
Namespace Prefix: | crc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated minimum value of development program in a field that is being sold. + References No definition available. + Details
Name: | crc_OilAndGasFieldDevelopmentPlanValue
Namespace Prefix: | crc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The number wells to be drilled in the development program in a field that is being sold. + References No definition available. + Details
Name: | crc_OilAndGasNumberOfDevelopmentPlanIncludedInFieldSold
Namespace Prefix: | crc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The percentage of working interest sold. + References No definition available. + Details
Name: | crc_PercentageOfWorkingInterestSold
Namespace Prefix: | crc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Proceeds From Sale Of Productive Assets Including Purchase Price Adjustment + References No definition available. + Details
Name: | crc_ProceedsFromSaleOfProductiveAssetsIncludingPurchasePriceAdjustment
Namespace Prefix: | crc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation. + References No definition available. + Details
Name: | us-gaap_DisposalGroupIncludingDiscontinuedOperationConsideration
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 + Details
Name: | us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash inflow from the sale of property, plant and equipment (capital expenditures), software, and other intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3179-108585 + Details
Name: | us-gaap_ProceedsFromSaleOfProductiveAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration