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v3.22.2

Commitments and Contingencies (Details) - Subsequent event $ in Millions | Jul. 07, 2022 USD ($)
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Other Commitments [Line Items] |
Leases not yet commenced, liability | $ 145
Leases not yet commenced, ROUs | $ 155

X
- Definition Lessee, Operating Lease, Leases Not Yet Commenced, Liability + References No definition available. + Details
Name: | cog_LesseeOperatingLeaseLeasesNotYetCommencedLiability
Namespace Prefix: | cog_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Lessee, Operating Lease, Leases Not Yet Commenced, Right Of Use Asset + References No definition available. + Details
Name: | cog_LesseeOperatingLeaseLeasesNotYetCommencedRightOfUseAsset
Namespace Prefix: | cog_
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_OtherCommitmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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