Disposal Group, Including Discontinued Operation, Net Assets

No definition available.

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Namespace Prefix:	apa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Disposal Group, Including Discontinued Operation, Oil And Gas Properties, And Working Capital Items

+ References

No definition available.

+ Details

Name:	apa_DisposalGroupIncludingDiscontinuedOperationOilAndGasPropertiesAndWorkingCapitalItems
Namespace Prefix:	apa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Interest Income With Parent Affiliate

+ References

No definition available.

+ Details

Name:	apa_InterestIncomeWithParentAffiliate
Namespace Prefix:	apa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Note Receivable, Accrued Interest Converted To Principal, Term

+ References

No definition available.

+ Details

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Namespace Prefix:	apa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Note Receivable, Stated Interest Rate

+ References

No definition available.

+ Details

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Namespace Prefix:	apa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Note Receivable, Term

+ References

No definition available.

+ Details

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Namespace Prefix:	apa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Number Of Subsidiaries

+ References

No definition available.

+ Details

Name:	apa_NumberOfSubsidiaries
Namespace Prefix:	apa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Reimbursable Costs With Affiliate

+ References

No definition available.

+ Details

Name:	apa_ReimbursableCostsWithAffiliate
Namespace Prefix:	apa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount classified as cash and cash equivalents attributable to disposal group held for sale or disposed of.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

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Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_RelatedPartyTransactionAxis=apa_HoldingCompanyReorganizationMember
Namespace Prefix:
Data Type:	na
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- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=apa_ThreeApacheSubsidiariesMember
Namespace Prefix:
Data Type:	na
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TRANSACTIONS WITH PARENT AFFILIATE (Details) $ in Millions		3 Months Ended		6 Months Ended
TRANSACTIONS WITH PARENT AFFILIATE (Details) $ in Millions	Mar. 01, 2021 USD ($) subsidiary	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)
Related Party Transaction [Line Items]
Interest income from APA Corporation, net		$ 15	$ 0	$ 20	$ 0
Reimbursable costs charged to Parent		$ 5		$ 7
Affiliated Entity \| Holding Company Reorganization
Related Party Transaction [Line Items]
Number of subsidiaries \| subsidiary	3
Note receivable, term	7 years
Note receivable, interest rate	4.50%
Note receivable, accrued interest converted to principal, term	5 years 6 months
Affiliated Entity \| Holding Company Reorganization \| Disposed of by Sale \| Three Apache Subsidiaries
Related Party Transaction [Line Items]
Net assets transferred	$ 483
Cash and cash equivalents transferred	292
Oil and gas properties, and working capital items transferred	$ 163