Oil and Gas Delivery Commitments and Contracts, Weighted Average Remaining Term

No definition available.

Name:	eqt_OilAndGasDeliveryCommitmentsAndContractsWeightedAverageRemainingTerm
Namespace Prefix:	eqt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Definition

Revenue From Contract With Customer, Excluding Assessed Tax, Unbilled Revenues

+ References

No definition available.

+ Details

Name:	eqt_RevenueFromContractWithCustomerExcludingAssessedTaxUnbilledRevenues
Namespace Prefix:	eqt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Revenue From Contract With Customer, Number Of Days From Month-End In which Payment Is Invoiced

+ References

No definition available.

+ Details

Name:	eqt_RevenueFromContractWithCustomerNumberOfDaysFromMonthEndInWhichPaymentIsInvoiced
Namespace Prefix:	eqt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Revenue From Contract With Customer, Number Of Days From Month-End In which Payment Is Required

+ References

No definition available.

+ Details

Name:	eqt_RevenueFromContractWithCustomerNumberOfDaysFromMonthEndInWhichPaymentIsRequired
Namespace Prefix:	eqt_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-3

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479837/606-10-45-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

+ Details

Name:	us-gaap_ContractWithCustomerAssetNetCurrent
Namespace Prefix:	us-gaap_
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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-5

Reference 3: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 4: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 5: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 6: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 7: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 8: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

Reference 9: http://www.xbrl.org/2003/role/exampleRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 91
-Subparagraph (g)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479777/606-10-55-91

+ Details

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

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

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

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqt_GatheringSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContractWithCustomerBasisOfPricingAxis=eqt_ThirdPartyContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContractWithCustomerBasisOfPricingAxis=eqt_AffiliateContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=eqt_TransmissionSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqt_NaturalGasOilandNGLsSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqt_PipelineRevenueMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqt_MinimumVolumeCommitmentContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_ContractWithCustomerBasisOfPricingAxis=us-gaap_FixedPriceContractMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eqt_NaturalGasSalesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Revenue from Contracts with Customers - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2025	Dec. 31, 2024
Disaggregation of Revenue
Amounts due from contracts with customers	$ 668,900	$ 668,900	$ 939,900
Revenue, remaining performance obligation	11,906,718	11,906,718
Gathering
Disaggregation of Revenue
Revenue, remaining performance obligation	2,730,891	2,730,891
Gathering \| Third-party contracts
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 775,366	$ 775,366
Weighted average remaining term	11 years	11 years
Gathering \| Affiliate contracts
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 1,955,525	$ 1,955,525
Weighted average remaining term	13 years	13 years
Transmission
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 4,735,493	$ 4,735,493
Transmission \| Third-party contracts
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 1,602,931	$ 1,602,931
Weighted average remaining term	11 years	11 years
Transmission \| Affiliate contracts
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 3,132,562	$ 3,132,562
Weighted average remaining term	13 years	13 years
Natural Gas, Oil, and NGLs Sales
Disaggregation of Revenue
Number of days in which payment is required		25 days
Pipeline Revenue \| Gathering
Disaggregation of Revenue
Number of days in which payment is required		21 days
Number of days in which payment is invoiced		1 month
Pipeline Revenue \| Transmission
Disaggregation of Revenue
Number of days in which payment is required		10 days
Gathering revenues supported by MVCs: \| Gathering \| Firm reservation fee revenue
Disaggregation of Revenue
Unbilled revenues	$ 5,600	$ 11,200
Natural gas sales \| Firm reservation fee revenue
Disaggregation of Revenue
Revenue, remaining performance obligation	$ 0	$ 0