$EQT
EQT Corp Stock $eqt

$eqt Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000003321320000008 Filed on February 27, 2020

Income Statement

Concept	2019 Q4	2018 Q4	2018 Q3
Revenue	$1.011B	$1.245B	$1.050B
YoY Change	-18.77%	20.47%	75.68%
Cost Of Revenue	$474.8M	$1.167B	$420.7M
YoY Change	-59.3%	43.7%	208.88%
Gross Profit	$536.7M	-$256.0M	$629.3M
YoY Change	-309.65%	-795.65%	36.36%
Gross Profit Margin	53.06%	-20.56%	59.93%
Selling, General & Admin	$38.40M	$88.40M	$51.82M
YoY Change	-56.56%	388.4%	-21.8%
% of Gross Profit	7.15%		8.23%
Research & Development	$900.0K	-$35.30M	$3.600M
YoY Change	-102.55%	-515.29%	50.0%
% of Gross Profit	0.17%		0.57%
Depreciation & Amortization	$391.7M	$454.0M	$388.0M
YoY Change	-13.72%	22.97%	57.37%
% of Gross Profit	72.98%		61.66%
Operating Expenses	$431.1M	$228.2M	$51.82M
YoY Change	88.91%	-0.39%	-21.8%
Operating Profit	-$1.462B	-$570.7M	-$147.5M
YoY Change	156.19%	-686.79%	2211.14%
Interest Expense	-$81.40M	$11.10M	$56.18M
YoY Change	-833.33%	-135.92%	11.52%
% of Operating Profit
Other Income/Expense, Net		-$108.4M
YoY Change		473.54%
Pretax Income	-$1.544B	-$1.329B	-$199.3M
YoY Change	16.17%	232.76%	-311.63%
Income Tax	-$366.5M	-$198.3M	-$71.96M
% Of Pretax Income
Net Earnings	-$1.177B	-$636.7M	-$39.69M
YoY Change	84.85%	-149.74%	-270.06%
Net Earnings / Revenue	-116.36%	-51.13%	-3.78%
Basic Earnings Per Share		-$2.50	-$0.15
Diluted Earnings Per Share	-$4.608M	-$2.50	-$0.15
COMMON SHARES
Basic Shares Outstanding	255.6M shares		259.6M shares
Diluted Shares Outstanding			259.6M shares

Balance Sheet

Concept	2019 Q4	2018 Q4	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$5.000M	$3.000M	$5.000M
YoY Change	66.67%	-97.96%	-98.97%
Cash & Equivalents	$4.596M	$3.487M	$4.855M
Short-Term Investments
Other Short-Term Assets	$842.0M	$593.0M	$348.0M
YoY Change	41.99%	103.78%	262.5%
Inventory
Prepaid Expenses
Receivables	$610.1M	$1.242B	$882.4M
Other Receivables	$299.0M	$131.0M	$0.00
Total Short-Term Assets	$1.755B	$1.970B	$1.235B
YoY Change	-10.91%	69.35%	43.82%
LONG-TERM ASSETS
Property, Plant & Equipment	$16.16B	$17.39B	$23.13B
YoY Change	-7.11%	-11.85%	59.06%
Goodwill		$530.8M	$1.999B
YoY Change		12.73%
Intangibles	$26.01M	$77.33M	$674.2M
YoY Change	-66.37%	-34.85%
Long-Term Investments	$676.0M	$1.013B	$1.300B
YoY Change	-33.27%	119.96%	282.5%
Other Assets	$222.9M	$268.8M	$323.4M
YoY Change	-17.1%	7.22%	32.05%
Total Long-Term Assets	$17.05B	$18.75B	$27.43B
YoY Change	-9.05%	-33.88%	81.32%
TOTAL ASSETS
Total Short-Term Assets	$1.755B	$1.970B	$1.235B
Total Long-Term Assets	$17.05B	$18.75B	$27.43B
Total Assets	$18.81B	$20.72B	$28.66B
YoY Change	-9.23%	-29.81%	79.31%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$796.4M	$1.060B	$978.8M
YoY Change	-24.86%	45.9%	152.22%
Accrued Expenses	$29.00M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$16.20M	$704.4M	$699.5M
YoY Change	-97.7%	5577.82%	-1.12%
Total Short-Term Liabilities	$1.346B	$2.355B	$2.646B
YoY Change	-42.85%	91.12%	84.36%
LONG-TERM LIABILITIES
Long-Term Debt	$5.277B	$3.993B	$7.337B
YoY Change	32.15%	-14.86%	183.7%
Other Long-Term Liabilities	$897.1M	$791.7M	$776.4M
YoY Change	13.31%	5.17%	36.82%
Total Long-Term Liabilities	$6.174B	$4.785B	$8.113B
YoY Change	29.03%	-12.09%	157.27%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.346B	$2.355B	$2.646B
Total Long-Term Liabilities	$6.174B	$4.785B	$8.113B
Total Liabilities	$9.006B	$9.763B	$12.44B
YoY Change	-7.76%	-12.11%	89.7%
SHAREHOLDERS EQUITY
Retained Earnings	$2.023B	$3.184B	$2.369B
YoY Change	-36.47%	-20.33%	-12.96%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$32.51M	$49.19M	$50.01M
YoY Change	-33.92%	-22.65%	-38.81%
Treasury Stock Shares	1.832M shares	2.753M shares	2.799M shares
Shareholders Equity	$9.804B	$10.96B	$11.00B
YoY Change
Total Liabilities & Shareholders Equity	$18.81B	$20.72B	$28.66B
YoY Change	-9.23%	-29.81%	79.31%

Cashflow Statement

Concept	2019 Q4	2018 Q4	2018 Q3
OPERATING ACTIVITIES
Net Income	-$1.177B	-$636.7M	-$39.69M
YoY Change	84.85%	-149.74%	-270.06%
Depreciation, Depletion And Amortization	$391.7M	$454.0M	$388.0M
YoY Change	-13.72%	22.97%	57.37%
Cash From Operating Activities	$217.8M	$530.9M	$904.3M
YoY Change	-58.98%	24.54%	124.73%
INVESTING ACTIVITIES
Capital Expenditures	-$345.2M	-$773.3M	-$915.2M
YoY Change	-55.36%	-60.9%	90.63%
Acquisitions
YoY Change
Other Investing Activities	$200.0K	-$486.3M	-$42.00M
YoY Change	-100.04%	12.39%	-3.45%
Cash From Investing Activities	-$344.9M	-$1.260B	-$957.3M
YoY Change	-72.62%	-47.75%	82.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	124.1M	727.4M	-640.2M
YoY Change	-82.94%	-55.86%	-2069.85%
NET CHANGE
Cash From Operating Activities	217.8M	530.9M	904.3M
Cash From Investing Activities	-344.9M	-1.260B	-957.3M
Cash From Financing Activities	124.1M	727.4M	-640.2M
Net Change In Cash	-3.000M	-1.300M	-693.2M
YoY Change	130.77%	-99.61%	680.63%
FREE CASH FLOW
Cash From Operating Activities	$217.8M	$530.9M	$904.3M
Capital Expenditures	-$345.2M	-$773.3M	-$915.2M
Free Cash Flow	$563.0M	$1.304B	$1.820B
YoY Change	-56.83%	-45.75%	106.18%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019	us-gaap	Stockholders Equity Other StockholdersEquityOther	16925000	USD
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CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	320000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000	shares
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	32507000	USD
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	49194000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	2023089000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3184275000	USD
CY2019Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5199000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5406000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1485814000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	9803588000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1823381000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	10958229000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	18809227000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	897148000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	791742000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	9763115000	USD
CY2019Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	7818205000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	9005639000	USD
CY2018Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	7828554000	USD
CY2019Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	USD
CY2017	eqt	Numberof Dry Holes Drilled NumberofDryHolesDrilled	1	dry_hole
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	23042000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-4982000	USD
CY2017	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	144000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-338000	USD
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	20827000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	26626000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	236123000	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	7665340000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	6738000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	30000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	18414613000	USD
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CY2018	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	168000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-606000	USD
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CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	380651000	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	4113000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	538876000	USD
CY2018	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	175000000	USD
CY2018	eqt	Adjustmentsto Additional Paidin Capital Changein Subsidiary Ownership AdjustmentstoAdditionalPaidinCapitalChangeinSubsidiaryOwnership	56370000	USD
CY2018	eqt	Stockholders Equity Decreasefrom Deconsolidation StockholdersEquityDecreasefromDeconsolidation	4388341000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10958229000	USD
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CY2019	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	387000	USD
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CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20721344000	USD
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CY2019	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-556400000	USD
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CY2018Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	0	USD
CY2019Q4	eqt	Incentive Compensation Liability Current IncentiveCompensationLiabilityCurrent	18573000	USD
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CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-57414000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	70875000	USD
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CY2018	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	-276000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	88785000	USD
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CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
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CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Type DocumentType	10-K
CY2019	dei	Document Period End Date DocumentPeriodEndDate	2019-12-31
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Entity File Number EntityFileNumber	001-03551
CY2019	dei	Entity Registrant Name EntityRegistrantName	EQT CORPORATION
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	25-0464690
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	625 Liberty Avenue, Suite 1700
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Pittsburgh,
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	15222
CY2019	dei	City Area Code CityAreaCode	412
CY2019	dei	Local Phone Number LocalPhoneNumber	553-5700
CY2019	dei	Security12b Title Security12bTitle	Common Stock, no par value
CY2019	dei	Trading Symbol TradingSymbol	EQT
CY2019	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2019	dei	Entity Shell Company EntityShellCompany	false
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CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0000033213
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-375776000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-696511000	USD
CY2018	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	195775000	USD
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CY2019	us-gaap	Exploration Expense ExplorationExpense	7223000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	6765000	USD
CY2017	us-gaap	Exploration Expense ExplorationExpense	17565000	USD
CY2019	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	253006000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	284220000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	208986000	USD
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1538745000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1569038000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	970985000	USD
CY2019	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	35916000	USD
CY2018	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	41367000	USD
CY2017	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	5400000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	1138287000	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2709976000	USD
CY2017	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2019	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	15411000	USD
CY2018	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2017	us-gaap	Impairment Of Intangible Assets Excluding Goodwill ImpairmentOfIntangibleAssetsExcludingGoodwill	0	USD
CY2019	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	0	USD
CY2018	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	530811000	USD
CY2017	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	0	USD
CY2019	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-556424000	USD
CY2018	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-279708000	USD
CY2017	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-7552000	USD
CY2019	eqt	Proxy Transactionand Reorganization Cost ProxyTransactionandReorganizationCost	117045000	USD
CY2018	eqt	Proxy Transactionand Reorganization Cost ProxyTransactionandReorganizationCost	26331000	USD
CY2017	eqt	Proxy Transactionand Reorganization Cost ProxyTransactionandReorganizationCost	152188000	USD
CY2019	us-gaap	Costs And Expenses CostsAndExpenses	5568594000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	7340992000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	2708808000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-1152110000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-2783124000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	382212000	USD
CY2019	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-336993000	USD
CY2018	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	-72366000	USD
CY2017	us-gaap	Unrealized Gain Loss On Investments UnrealizedGainLossOnInvestments	0	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	91483000	USD
CY2018	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	7017000	USD
CY2017	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	-2987000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-12641000	USD
CY2019	us-gaap	Interest Expense InterestExpense	199851000	USD
CY2018	us-gaap	Interest Expense InterestExpense	228958000	USD
CY2017	us-gaap	Interest Expense InterestExpense	167971000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1597471000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3077431000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	198613000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-375776000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-696511000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1188416000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-1221695000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-2380920000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1387029000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2019	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	616634000	USD
CY2018	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-178591000	USD
CY2017	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	390021000	USD
CY2019	us-gaap	Revenues Revenues	4416484000	USD
CY2018	us-gaap	Revenues Revenues	4557868000	USD
CY2017	us-gaap	Revenues Revenues	3091020000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	373762000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	471113000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-1221695000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-2007158000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	1858142000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1752752000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1697001000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1164783000	USD
CY2019	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	153785000	USD
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	5288000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1205140000	USD
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	187380000	shares
CY2019	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-4.79
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-9.12
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.40
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.52
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-23296000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	33039000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	25934000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	31233000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.65
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	25189000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	94592000	USD
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-4.79
CY2019	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	616634000	USD
CY2018	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-178591000	USD
CY2017	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	390021000	USD
CY2019	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	246639000	USD
CY2018	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	-225279000	USD
CY2017	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	40728000	USD
CY2019	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	-22616000	USD
CY2018	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	0	USD
CY2017	us-gaap	Gain Loss On Sale Of Derivatives GainLossOnSaleOfDerivatives	0	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-432323000	USD
CY2018	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	439062000	USD
CY2017	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8979000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-238674000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	457113000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16680000	USD
CY2019	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	167281000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	117188000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	237410000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	12285000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-6832000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-20358000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	349613000	USD
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-8.60
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.05
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-1221695000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-2244568000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	27280000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1851704000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2976256000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1637698000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1602454000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2999037000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1559051000	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2017	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2379229000	USD
CY2019	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	0	USD
CY2018	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	732727000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1508529000	USD
CY2017	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	380151000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	255141000	shares
CY2019	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	283758000	USD
CY2019	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	0	USD
CY2018	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	0	USD
CY2017	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	11420000	USD
CY2019	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-1221695000	USD
CY2018	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	820943000	USD
CY2019	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	0	USD
CY2017	us-gaap	Payments To Acquire Interest In Joint Venture PaymentsToAcquireInterestInJointVenture	159550000	USD
CY2019	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	0	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	583381000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	3573000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-1312000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-2380920000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	9778000	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1601142000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3979104000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4202070000	USD
CY2018	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	8637500000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1387029000	USD
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	0	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	2978750000	USD
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	260932000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187727000	shares
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	136352000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	121500000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-1221695000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-4.79
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-9.12
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.39
CY2019	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.52
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.65
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-4.79
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-8.60
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.04
CY2019	us-gaap	Profit Loss ProfitLoss	-1221695000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-2007158000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	1858142000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	0	USD
CY2018	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4625000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Cash Flow Hedge Gain Loss After Reclassification And Tax OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax	-4982000	USD
CY2019	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	387000	USD
CY2018	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	168000	USD
CY2017	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	144000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-316000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-606000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-338000	USD
CY2019	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	-496000	USD
CY2018	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	0	USD
CY2017	us-gaap	New Accounting Pronouncement Or Change In Accounting Principle Effect Of Adoption Quantification NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification	0	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	207000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3851000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4500000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1221488000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-2011009000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1853642000	USD
CY2019	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	0	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-2244568000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	237410000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	349613000	USD
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1221488000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2248419000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1504029000	USD
CY2019	us-gaap	Profit Loss ProfitLoss	-1221695000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-2007158000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	1858142000	USD
CY2019	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-275063000	USD
CY2018	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-510405000	USD
CY2017	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-1050612000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1508529000	USD
CY2019	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	1538745000	USD
CY2018	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	1729739000	USD
CY2017	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	1077559000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	35916000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	77374000	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10940000	USD
CY2019	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	1710122000	USD
CY2018	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	2989684000	USD
CY2017	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	20327000	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	798689000	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	255141000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	260932000	shares
CY2019	us-gaap	Gain Loss On Investments GainLossOnInvestments	-336993000	USD
CY2018	us-gaap	Gain Loss On Investments GainLossOnInvestments	-72366000	USD
CY2017	us-gaap	Gain Loss On Investments GainLossOnInvestments	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-12641000	USD
CY2017	eqt	Income Tax Expensefrom Government Regulated Asset IncomeTaxExpensefromGovernmentRegulatedAsset	10500000	USD
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.226
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-5.984
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-251780000	USD
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-119659000	USD
CY2018Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	800000000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	796438000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1059873000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	77333000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	676009000	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1013002000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	196867000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	268838000	USD
CY2019Q4	us-gaap	Assets Assets	18809227000	USD
CY2018Q4	us-gaap	Assets Assets	20721344000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	16204000	USD
CY2019Q4	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	999353000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	481654000	USD
CY2018Q4	us-gaap	Unsecured Long Term Debt UnsecuredLongTermDebt	0	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	28653000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	111107000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	704390000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	3878366000	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	298854000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	131573000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	1754855000	USD
CY2017	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	2063000000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	3484750000	USD
CY2018	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	8953500000	USD
CY2017	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1076500000	USD
CY2019	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	1000000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2017	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	913000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	40966000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	41876000	USD
CY2019	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2500000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	3000000000	USD
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	704661000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8376000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2000000000	USD
CY2019	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	1969664000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	21655351000	USD
CY2018Q4	us-gaap	Senior Notes SeniorNotes	3882932000	USD
CY2017	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	89363000	USD
CY2019	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	30655000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	31375000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20827000	USD
CY2019	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	0	USD
CY2018	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	1946000	USD
CY2017	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	244000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7224000	USD
CY2019Q4	us-gaap	Notes Payable NotesPayable	105056000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	22647000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	72116000	USD
CY2019	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	0	USD
CY2018Q4	us-gaap	Notes Payable NotesPayable	110059000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	312696000	USD
CY2018	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	538876000	USD
CY2017	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	0	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30000	USD
CY2019	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	0	USD
CY2018	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	380651000	USD
CY2017	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	236123000	USD
CY2019	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	6738000	USD
CY2019	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	175000000	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2019	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	0	USD
CY2018	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	129008000	USD
CY2017	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	0	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-249453000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	336051000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22148012000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5499861000	USD
CY2019Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	220564000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	254687000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4755505000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	16155490000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1345902000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2355001000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17392507000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	26006000	USD
CY2019Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	294000000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	859020000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1533147000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	1109000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-143828000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-1031225000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3487000	USD
CY2019Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	812664000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147315000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1178540000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4596000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3487000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147315000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4596000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3487000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	610088000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1241843000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	29000000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	21000000	USD
CY2019	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.01
CY2018	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.04
CY2017	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.04
CY2019	eqt	Numberof Dry Holes Drilled NumberofDryHolesDrilled	0	dry_hole
CY2019	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2019	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates. </span><span style="font-family:inherit;font-size:10pt;">The preparation of financial statements in conformity with United States generally accepted accounting principles (GAAP) requires management to make estimates and assumptions that affect the amounts reported in the Consolidated Financial Statements and accompanying notes. Actual results could differ from those estimates.</span></div>
CY2019Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	21316834000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	21814779000	USD
CY2019Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	5402515000	USD
CY2018Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	4666212000	USD
CY2019Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	15914319000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	17148567000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	16155490000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17392507000	USD
CY2019Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	77000000	USD
CY2018Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	130000000	USD
CY2017Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	115000000	USD
CY2019	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	24000000	USD
CY2018Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	75978000	USD
CY2017	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Consideration Transferred BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred	-14315000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	530800000	USD
CY2019	eqt	Goodwill Impairment Numberof Days Usedin Calculation GoodwillImpairmentNumberofDaysUsedinCalculation	P30D
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	26000000.0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	124100000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	124100000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	82683000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	46767000	USD
CY2019Q4	eqt	Finite Lived Intangible Assets Accumulated Impairment Loss FiniteLivedIntangibleAssetsAccumulatedImpairmentLoss	15411000	USD
CY2018Q4	eqt	Finite Lived Intangible Assets Accumulated Impairment Loss FiniteLivedIntangibleAssetsAccumulatedImpairmentLoss	0	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	26006000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	77333000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	57850000	USD
CY2019Q4	eqt	Unrecognized Tax Benefit Threshold Percentage UnrecognizedTaxBenefitThresholdPercentage	0.50
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	346528	shares
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	429785	shares
CY2018	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Consideration Transferred BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred	14377000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	287805000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	443349000	USD
CY2019	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	13733000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	17513000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	8985000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	7785000	USD
CY2019	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	3569000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	3722000	USD
CY2019	eqt	Asset Retirement Obligation Liabilities Assumedin Acquisitions AssetRetirementObligationLiabilitiesAssumedinAcquisitions	0	USD
CY2018	eqt	Asset Retirement Obligation Liabilities Assumedin Acquisitions AssetRetirementObligationLiabilitiesAssumedinAcquisitions	27999000	USD
CY2019	eqt	Asset Retirement Obligation Liabilities Eliminatedin Divestitures AssetRetirementObligationLiabilitiesEliminatedinDivestitures	5535000	USD
CY2018	eqt	Asset Retirement Obligation Liabilities Eliminatedin Divestitures AssetRetirementObligationLiabilitiesEliminatedinDivestitures	231936000	USD
CY2019	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	160402000	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	26817000	USD
CY2019Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	461821000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	287805000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	8900000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17300000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16600000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	198562000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	260959000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	189371000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-1710000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-3675000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3637000	USD
CY2019	eqt	Noncash Increase Decreasein Property Plantand Equipment Accruals NoncashIncreaseDecreaseinPropertyPlantandEquipmentAccruals	170848000	USD
CY2018	eqt	Noncash Increase Decreasein Property Plantand Equipment Accruals NoncashIncreaseDecreaseinPropertyPlantandEquipmentAccruals	-274219000	USD
CY2017	eqt	Noncash Increase Decreasein Property Plantand Equipment Accruals NoncashIncreaseDecreaseinPropertyPlantandEquipmentAccruals	4439000	USD
CY2019	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	169387000	USD
CY2018	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	34602000	USD
CY2017	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	143578000	USD
CY2019	eqt	Increase Decreasein Rightof Use Lease Assetsand Lease Liabilities IncreaseDecreaseinRightofUseLeaseAssetsandLeaseLiabilities	113350000	USD
CY2018	eqt	Increase Decreasein Rightof Use Lease Assetsand Lease Liabilities IncreaseDecreaseinRightofUseLeaseAssetsandLeaseLiabilities	0	USD
CY2017	eqt	Increase Decreasein Rightof Use Lease Assetsand Lease Liabilities IncreaseDecreaseinRightofUseLeaseAssetsandLeaseLiabilities	0	USD
CY2019	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	0	USD
CY2018	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	4314000	USD
CY2017	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	8993000	USD
CY2019	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	0	USD
CY2018	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	0	USD
CY2017	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	10004000	USD
CY2019	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Consideration Transferred BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred	0	USD
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-335469000	USD
CY2018Q4	eqt	Saleof Stock Percentageof Ownership Transferred SaleofStockPercentageofOwnershipTransferred	0.801
CY2018Q4	eqt	Saleof Stock Stock Dividend Per Share SaleofStockStockDividendPerShare	0.80
CY2019	eqt	Oiland Gas Arrangements Termof Contract OilandGasArrangementsTermofContract	P20Y
CY2019	eqt	Revenuefrom Contractwith Customer Numberof Daysfrom Monthendinwhich Paymentis Required RevenuefromContractwithCustomerNumberofDaysfromMonthendinwhichPaymentisRequired	P25D
CY2019Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	384000000.0	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	783000000.0	USD
CY2019Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	127900000	USD
CY2018Q4	us-gaap	Due From Joint Ventures DueFromJointVentures	324200000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3791414000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4709384000	USD
CY2019	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	616634000	USD
CY2018	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-178591000	USD
CY2019	us-gaap	Revenues Revenues	4416484000	USD
CY2018	us-gaap	Revenues Revenues	4557868000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-646261000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	69515000	USD
CY2019	eqt	Maximum Additional Collateral As Percentage Of Derivative Liability MaximumAdditionalCollateralAsPercentageOfDerivativeLiability	1
CY2019Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	76700000	USD
CY2019Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	259300000	USD
CY2019Q4	eqt	Income Tax Reconciliation Expected Refundfor Alternative Minimum Tax Credits IncomeTaxReconciliationExpectedRefundforAlternativeMinimumTaxCredits	95000000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-106487000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-513293000	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-89149000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5774000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-46218000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-5184000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-100713000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-559511000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-94333000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-213397000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	20496000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1039769000	USD
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CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-137000000	USD
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-375776000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-696511000	USD
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CY2019Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	95000000	USD
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CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	14396000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	8978000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	84051000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	9134000	USD
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CY2018Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	315279000	USD
CY2017Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	301558000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	150900000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	124600000	USD
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CY2019	eqt	Liabilityfor Uncertaintyin Income Taxes Release Dueto Settlement LiabilityforUncertaintyinIncomeTaxesReleaseDuetoSettlement	84000000	USD
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CY2019Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	700000	USD
CY2018Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	700000	USD
CY2017Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	4700000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	3300000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	3400000	USD
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CY2019Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	15200000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	11900000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	8400000	USD
CY2019Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	80200000	USD
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CY2018Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.15
CY2018Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-2.50
CY2019Q4	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	1124400000	USD
CY2019Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	17994820000	USD
CY2018Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	17648731000	USD
CY2017Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	18920855000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	21814779000	USD
CY2017Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	23937154000	USD
CY2019Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	5402515000	USD
CY2018Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	4666212000	USD
CY2017Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	5121646000	USD
CY2019Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	15914319000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	17148567000	USD
CY2017Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	18815508000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	40316000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	77099000	USD
CY2017	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	5251711000	USD
CY2019	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	154128000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	198854000	USD
CY2017	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	3310995000	USD
CY2019	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	7223000	USD
CY2018	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	1708000	USD
CY2017	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	15505000	USD
CY2019	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	1560346000	USD
CY2018	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	2443980000	USD
CY2017	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	1357165000	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1697001000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1752752000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1164783000	USD
CY2019	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	153785000	USD
CY2018	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	195775000	USD
CY2017	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	181349000	USD
CY2019	us-gaap	Exploration Expense ExplorationExpense	7223000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	6765000	USD
CY2017	us-gaap	Exploration Expense ExplorationExpense	17565000	USD
CY2019	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	1538745000	USD
CY2018	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	1569038000	USD
CY2017	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	970985000	USD
CY2019	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	1138287000	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2709976000	USD
CY2017	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2019	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-556424000	USD
CY2018	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-279708000	USD
CY2017	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-7552000	USD
CY2019	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-340843000	USD
CY2018	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-454009000	USD
CY2017	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	121359000	USD
CY2019	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-1014959000	USD
CY2018	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-1308735000	USD
CY2017	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	187725000	USD
CY2019	eqt	Engineer Experience In Years EngineerExperienceInYears	P19Y
CY2019	eqt	Gas And Liquid Carbon Proved Reserves Reviewed Percentage GasAndLiquidCarbonProvedReservesReviewedPercentage	1
CY2019	eqt	Audit Coverage Of Proved Reserves Percentage AuditCoverageOfProvedReservesPercentage	0.94
CY2019	eqt	Audit Coverage Of Remaining Properties Percentage AuditCoverageOfRemainingPropertiesPercentage	0.06
CY2018Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21816776	MMcf
CY2017Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21445667	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	9389638	MMcf
CY2019	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	0	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	1748557	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	2646	MMcf
CY2017Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21445667	MMcf
CY2016Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	13508407	MMcf
CY2019	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-4907239	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-1124904	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-2766981	MMcf
CY2019	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	0	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	0	MMcf
CY2019	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	2067753	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	4739233	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	2225141	MMcf
CY2019	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	1507896	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	1494663	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	907892	MMcf
CY2019Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	17469394	MMcf
CY2018Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21816776	MMcf
CY2018Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11550161	MMcf
CY2017Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11297956	MMcf
CY2016Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	6842958	MMcf
CY2019Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	12443987	MMcf
CY2018Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11550161	MMcf
CY2017Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11297956	MMcf
CY2018Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10266615	MMcf
CY2017Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10147711	MMcf
CY2016Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	6665449	MMcf
CY2019Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	5025407	MMcf
CY2018Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10266615	MMcf
CY2017Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10147711	MMcf
CY2019	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	2646	Bcfe
CY2019	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	2068	Bcfe
CY2019	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	1508	Bcfe
CY2019	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	116	Bcfe
CY2019	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	4508	Bcfe
CY2018	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	2722	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	4739	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	1495	Bcfe
CY2018	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	3538	Bcfe
CY2018	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	1273	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Extension And Discovery Energy ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy	148	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserves Sale Of Mineral In Place Energy ProvedDevelopedAndUndevelopedReservesSaleOfMineralInPlaceEnergy	1749	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	987	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Acquisitions Energy ProvedDevelopedandUndevelopedReserveAcquisitionsEnergy	3330	Bcfe
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	42499686000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	60603624000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	51423920000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	19114076000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	20463567000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	18379892000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	2617731000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	5854503000	USD
CY2017	eqt	Proved Developedand Undeveloped Reserve Acquisitions Developed Energy ProvedDevelopedandUndevelopedReserveAcquisitionsDevelopedEnergy	6060	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	2225	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	908	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	1032	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	3522	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Not Expectedto Developwithin5 Years Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsNotExpectedtoDevelopwithin5YearsEnergy	3074	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Extension And Discovery Energy ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy	477	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Changein Economic Life Energy ProvedDevelopedandUndevelopedReserveChangeinEconomicLifeEnergy	-278	Bcfe
CY2019Q4	eqt	Discount Rate To Compute Standard Measure Of Future Cash Flow DiscountRateToComputeStandardMeasureOfFutureCashFlow	0.10
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	5637676000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	3013667000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	6823621000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	5811125000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	17754212000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	27461933000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	21595227000	USD
CY2019Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	9261539000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	15850035000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	12593293000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	8492673000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11611898000	USD
CY2017Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	9001934000	USD
CY2019	eqt	Price Usedin Computationof Reserves PriceUsedinComputationofReserves	16.81
CY2019Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	1186000000	USD
CY2018Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	883000000	USD
CY2017Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	1400000000	USD
CY2019	eqt	Discounted Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Changein Priceof Natural Gas Sensitivity DiscountedFutureNetCashFlowsRelatingtoProvedOilandGasReservesChangeinPriceofNaturalGasSensitivity	0.10
CY2019	eqt	Discounted Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Changein Priceof Oil Sensitivity DiscountedFutureNetCashFlowsRelatingtoProvedOilandGasReservesChangeinPriceofOilSensitivity	10
CY2019	eqt	Discounted Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Changein Priceof Natural Gas Liquids DiscountedFutureNetCashFlowsRelatingtoProvedOilandGasReservesChangeinPriceofNaturalGasLiquids	10
CY2019	eqt	Change In Discounted Future Cash Flows For Assumed Natural Gas Price Change ChangeInDiscountedFutureCashFlowsForAssumedNaturalGasPriceChange	809000000	USD
CY2019	eqt	Changein Discounted Future Cash Flowsfor Assumed Natural Gas Liquids Price Change ChangeinDiscountedFutureCashFlowsforAssumedNaturalGasLiquidsPriceChange	163000000	USD
CY2018	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	0	USD
CY2017	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	5357921000	USD
CY2019	eqt	Change In Discounted Future Cash Flows For Assumed Oil Price Change ChangeInDiscountedFutureCashFlowsForAssumedOilPriceChange	24000000	USD
CY2019	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	1884877000	USD
CY2018	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	2802742000	USD
CY2017	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	1305186000	USD
CY2019	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-3502434000	USD
CY2018	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	2949606000	USD
CY2017	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	2236183000	USD
CY2019	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	870504000	USD
CY2018	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1616653000	USD
CY2017	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1269712000	USD
CY2019	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	1002389000	USD
CY2018	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	1630506000	USD
CY2017	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	712635000	USD
CY2019	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	0	USD
CY2019	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	0	USD
CY2018	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	849162000	USD
CY2017	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	284000	USD
CY2019	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-2080040000	USD
CY2018	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-811576000	USD
CY2017	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-297437000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	900004000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	834026000	USD
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	115437000	USD
CY2019	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	1444368000	USD
CY2018	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-289549000	USD
CY2017	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-1477603000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	130861000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	332202000	USD
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	1401802000	USD
CY2019	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	-3119225000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	2609964000	USD
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	8013180000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11611898000	USD
CY2017Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	9001934000	USD
CY2016Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	988754000	USD
CY2019Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	8492673000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11611898000	USD
CY2017Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	9001934000	USD

Files In Submission

Name	View Source	Status
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0000033213-20-000008-index.html	Edgar Link	pending
0000033213-20-000008.txt	Edgar Link	pending
0000033213-20-000008-xbrl.zip	Edgar Link	pending
a1231201910k.htm	Edgar Link	pending
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eqt-20191231.xsd	Edgar Link	pending
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stockperformancegraph2019.jpg	Edgar Link	pending

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$EQT
EQT Corp Stock $eqt

2019 Q4 Form 10-K Financial Statement

#000003321320000008 Filed on February 27, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQT EQT Corp Stock $eqt

2019 Q4 Form 10-K Financial Statement

#000003321320000008 Filed on February 27, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQT
EQT Corp Stock $eqt