XML 155 R127.htm IDEA: XBRL DOCUMENT v3.20.4

PENSION AND POSTRETIREMENT BENEFIT PLANS - Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2020	Oct. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Asset Class:
Cash equivalents	$ 6		$ 0
Level 1
Asset Class:
Cash equivalents	6		0
Level 2
Asset Class:
Cash equivalents	0		0
Level 3
Asset Class:
Cash equivalents	$ 0		0
Equity Securities
Defined Benefit Plan Disclosure
Target allocation of plan assets	65.00%
Debt Securities
Defined Benefit Plan Disclosure
Target allocation of plan assets	35.00%
Pension Benefits
Asset Class:
Fair value of plan assets	$ 32	$ 26	27	$ 42
Pension Benefits | Pension Plan Assets - Gross
Asset Class:
Fair value of plan assets	32		27
Pension Benefits | Pension Plan Assets - Gross | Level 1
Asset Class:
Fair value of plan assets	19		11
Pension Benefits | Pension Plan Assets - Gross | Level 2
Asset Class:
Fair value of plan assets	7		9
Pension Benefits | Pension Plan Assets - Gross | Level 3
Asset Class:
Fair value of plan assets	6		7
Pension Benefits | Fixed income
Asset Class:
Fair value of plan assets	2		3
Pension Benefits | Fixed income | Level 1
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Fixed income | Level 2
Asset Class:
Fair value of plan assets	2		3
Pension Benefits | Fixed income | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | U.S. equity
Asset Class:
Fair value of plan assets	3		4
Pension Benefits | U.S. equity | Level 1
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | U.S. equity | Level 2
Asset Class:
Fair value of plan assets	3		4
Pension Benefits | U.S. equity | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | International equity
Asset Class:
Fair value of plan assets	2		2
Pension Benefits | International equity | Level 1
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | International equity | Level 2
Asset Class:
Fair value of plan assets	2		2
Pension Benefits | International equity | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Bond funds
Asset Class:
Fair value of plan assets	5		5
Pension Benefits | Bond funds | Level 1
Asset Class:
Fair value of plan assets	5		5
Pension Benefits | Bond funds | Level 2
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Bond funds | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Blend funds
Asset Class:
Fair value of plan assets	0		2
Pension Benefits | Blend funds | Level 1
Asset Class:
Fair value of plan assets	0		2
Pension Benefits | Blend funds | Level 2
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Blend funds | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Value funds
Asset Class:
Fair value of plan assets	2		2
Pension Benefits | Value funds | Level 1
Asset Class:
Fair value of plan assets	2		2
Pension Benefits | Value funds | Level 2
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Value funds | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Growth funds
Asset Class:
Fair value of plan assets	6		2
Pension Benefits | Growth funds | Level 1
Asset Class:
Fair value of plan assets	6		2
Pension Benefits | Growth funds | Level 2
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Growth funds | Level 3
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Guaranteed deposit account
Asset Class:
Fair value of plan assets	6		7
Pension Benefits | Guaranteed deposit account | Level 1
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Guaranteed deposit account | Level 2
Asset Class:
Fair value of plan assets	0		0
Pension Benefits | Guaranteed deposit account | Level 3
Asset Class:
Fair value of plan assets	$ 6		$ 7

X

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

+ Details

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

X

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

X

- Definition

Amount of asset segregated and restricted to provide benefit under defined benefit plan. Asset includes, but is not limited to, stock, bond, other investment, earning from investment, and contribution by employer and employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(01)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(iv)(02)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(ii)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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

X

- Definition

Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one plan.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 55
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=118257860&loc=d3e4179-114921

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (d)(i)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_EquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_DefinedBenefitPlanDebtSecurityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RetirementPlanTypeAxis=us-gaap_PensionPlansDefinedBenefitMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_PlanAssetsGrossMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=us-gaap_FixedIncomeFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_UsEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_InternationalEquityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_BondFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_BlendFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_ValueFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_GrowthFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_DefinedBenefitPlanByPlanAssetCategoriesAxis=crc_GuaranteedDepositAccountMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: