$EQT
EQT Corp Stock $eqt

$eqt Overview Financials Valuation SEC Filings Company Website

2018 Q4 Form 10-K Financial Statement

#000003321319000006 Filed on February 14, 2019

Income Statement

Concept	2018 Q4	2017 Q4	2017 Q3
Revenue	$1.245B	$1.034B	$597.7M
YoY Change	20.47%	172.69%	7.36%
Cost Of Revenue	$1.167B	$811.9M	$136.2M
YoY Change	43.7%	13.22%	17.53%
Gross Profit	-$256.0M	$36.80M	$461.5M
YoY Change	-795.65%	-106.58%	4.7%
Gross Profit Margin	-20.56%	3.56%	77.21%
Selling, General & Admin	$88.40M	$18.10M	$66.26M
YoY Change	388.4%	-18.83%	7.87%
% of Gross Profit		49.18%	14.36%
Research & Development	-$35.30M	$8.500M	$2.400M
YoY Change	-515.29%	-280.85%	-11.11%
% of Gross Profit		23.1%	0.52%
Depreciation & Amortization	$454.0M	$369.2M	$246.6M
YoY Change	22.97%	50.69%	4.0%
% of Gross Profit		1003.26%	53.43%
Operating Expenses	$228.2M	$229.1M	$66.26M
YoY Change	-0.39%	131.18%	7.87%
Operating Profit	-$570.7M	$97.26M	-$6.380M
YoY Change	-686.79%	-151.33%	-105.88%
Interest Expense	$11.10M	-$30.90M	$50.38M
YoY Change	-135.92%	36.12%	40.0%
% of Operating Profit		-31.77%
Other Income/Expense, Net	-$108.4M	-$18.90M	$500.0K
YoY Change	473.54%	-39.62%	-95.33%
Pretax Income	-$1.329B	-$399.3M	$94.18M
YoY Change	232.76%	-44.56%	13.21%
Income Tax	-$198.3M	-$102.4M	-$11.28M
% Of Pretax Income			-11.98%
Net Earnings	-$636.7M	$1.280B	$23.34M
YoY Change	-149.74%	-766.85%	-391.17%
Net Earnings / Revenue	-51.13%	123.85%	3.9%
Basic Earnings Per Share	-$2.50	$5.85	$0.13
Diluted Earnings Per Share	-$2.50	$5.83	$0.13
COMMON SHARES
Basic Shares Outstanding			173.5M shares
Diluted Shares Outstanding			173.7M shares

Balance Sheet

Concept	2018 Q4	2017 Q4	2017 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.000M	$147.0M	$484.0M
YoY Change	-97.96%	-89.42%	-72.45%
Cash & Equivalents	$3.487M	$26.31M	$483.6M
Short-Term Investments		$0.00	$0.00
Other Short-Term Assets	$593.0M	$291.0M	$96.00M
YoY Change	103.78%	200.0%	-52.0%
Inventory
Prepaid Expenses
Receivables	$1.242B	$664.7M	$279.2M
Other Receivables	$131.0M	$0.00	$0.00
Total Short-Term Assets	$1.970B	$1.163B	$858.5M
YoY Change	69.35%	-36.38%	-60.0%
LONG-TERM ASSETS
Property, Plant & Equipment	$17.39B	$19.73B	$14.54B
YoY Change	-11.85%	49.9%	17.19%
Goodwill	$530.8M	$470.8M
YoY Change	12.73%
Intangibles	$77.33M	$118.7M
YoY Change	-34.85%
Long-Term Investments	$1.013B	$460.5M	$340.0M
YoY Change	119.96%	149.53%	112.05%
Other Assets	$268.8M	$250.7M	$245.0M
YoY Change	7.22%	12.47%	39.33%
Total Long-Term Assets	$18.75B	$28.36B	$15.13B
YoY Change	-33.88%	107.84%	18.69%
TOTAL ASSETS
Total Short-Term Assets	$1.970B	$1.163B	$858.5M
Total Long-Term Assets	$18.75B	$28.36B	$15.13B
Total Assets	$20.72B	$29.52B	$15.98B
YoY Change	-29.81%	90.8%	7.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.060B	$726.4M	$388.1M
YoY Change	45.9%	134.35%	46.56%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due	$704.4M	$12.41M	$707.5M
YoY Change	5577.82%
Total Short-Term Liabilities	$2.355B	$1.232B	$1.435B
YoY Change	91.12%	53.14%	132.01%
LONG-TERM LIABILITIES
Long-Term Debt	$3.993B	$4.690B	$2.586B
YoY Change	-14.86%	42.57%	-7.53%
Other Long-Term Liabilities	$791.7M	$752.8M	$567.5M
YoY Change	5.17%	50.7%	48.39%
Total Long-Term Liabilities	$4.785B	$5.443B	$3.154B
YoY Change	-12.09%	43.65%	-0.81%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.355B	$1.232B	$1.435B
Total Long-Term Liabilities	$4.785B	$5.443B	$3.154B
Total Liabilities	$9.763B	$11.11B	$6.560B
YoY Change	-12.11%	74.83%	16.81%
SHAREHOLDERS EQUITY
Retained Earnings	$3.184B	$3.997B	$2.722B
YoY Change	-20.33%	59.29%	0.58%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)	$49.19M	$63.60M	$81.73M
YoY Change	-22.65%	-30.12%	-11.43%
Treasury Stock Shares	2.753M shares	3.551M shares	4.553M shares
Shareholders Equity	$10.96B	$13.32B	$6.088B
YoY Change
Total Liabilities & Shareholders Equity	$20.72B	$29.52B	$15.98B
YoY Change	-29.81%	90.8%	7.35%

Cashflow Statement

Concept	2018 Q4	2017 Q4	2017 Q3
OPERATING ACTIVITIES
Net Income	-$636.7M	$1.280B	$23.34M
YoY Change	-149.74%	-766.85%	-391.17%
Depreciation, Depletion And Amortization	$454.0M	$369.2M	$246.6M
YoY Change	22.97%	50.69%	4.0%
Cash From Operating Activities	$530.9M	$426.3M	$402.4M
YoY Change	24.54%	43.73%	46.7%
INVESTING ACTIVITIES
Capital Expenditures	-$773.3M	-$1.978B	-$480.1M
YoY Change	-60.9%	394.23%	-38.76%
Acquisitions
YoY Change
Other Investing Activities	-$486.3M	-$432.7M	-$43.50M
YoY Change	12.39%	-47.02%	69.26%
Cash From Investing Activities	-$1.260B	-$2.411B	-$523.7M
YoY Change	-47.75%	98.06%	-35.31%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	727.4M	1.648B	32.50M
YoY Change	-55.86%	382.41%	-8.96%
NET CHANGE
Cash From Operating Activities	530.9M	426.3M	402.4M
Cash From Investing Activities	-1.260B	-2.411B	-523.7M
Cash From Financing Activities	727.4M	1.648B	32.50M
Net Change In Cash	-1.300M	-336.4M	-88.80M
YoY Change	-99.61%	-41.89%	-82.22%
FREE CASH FLOW
Cash From Operating Activities	$530.9M	$426.3M	$402.4M
Capital Expenditures	-$773.3M	-$1.978B	-$480.1M
Free Cash Flow	$1.304B	$2.404B	$882.5M
YoY Change	-45.75%	245.03%	-16.61%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2018Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2017Q4	us-gaap	Assets Of Disposal Group Including Discontinued Operation Current AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent	156260000	USD
CY2017	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	152188000	USD
CY2018	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	26331000	USD
CY2018Q4	us-gaap	Business Acquisition Percentage Of Voting Interests Acquired BusinessAcquisitionPercentageOfVotingInterestsAcquired	0.25
CY2016	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0	USD
CY2017	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Consideration Transferred BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred	-14300000	USD
CY2018	us-gaap	Business Combination Provisional Information Initial Accounting Incomplete Adjustment Consideration Transferred BusinessCombinationProvisionalInformationInitialAccountingIncompleteAdjustmentConsiderationTransferred	14400000	USD
CY2016	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	27700000	USD
CY2017	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	4400000	USD
CY2018	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	34600000	USD
CY2018Q4	us-gaap	Assets Assets	20721344000	USD
CY2017Q4	us-gaap	Assets Current AssetsCurrent	1163055000	USD
CY2018Q4	us-gaap	Assets Current AssetsCurrent	1969664000	USD
CY2017	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	128610000	USD
CY2018	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	26817000	USD
CY2017Q4	us-gaap	Assets Assets	29522604000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	8648000	USD
CY2016	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	0	USD
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10940000	USD
CY2018Q3	us-gaap	Asset Impairment Charges AssetImpairmentCharges	260500000	USD
CY2016	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	47338000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	77374000	USD
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	24904000	USD
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	112766000	USD
CY2017Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	7780000	USD
CY2017	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	429785	shares
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	274200000	USD
CY2016Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	4217154000	USD
CY2016Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	9661505000	USD
CY2017Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	5121646000	USD
CY2018Q4	us-gaap	Capitalized Costs Accumulated Depreciation Depletion Amortization And Valuation Allowance For Relating To Oil And Gas Producing Activities CapitalizedCostsAccumulatedDepreciationDepletionAmortizationAndValuationAllowanceForRelatingToOilAndGasProducingActivities	4666212000	USD
CY2016Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	13878659000	USD
CY2017Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	23937154000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Gross CapitalizedCostsOilAndGasProducingActivitiesGross	21814779000	USD
CY2016Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	243600000	USD
CY2017Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	443349000	USD
CY2017	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	143600000	USD
CY2018Q4	us-gaap	Asset Retirement Obligation AssetRetirementObligation	287805000	USD
CY2017	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	13644000	USD
CY2018	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	17513000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	19678000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Incurred AssetRetirementObligationLiabilitiesIncurred	7785000	USD
CY2017	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	3750000	USD
CY2018	us-gaap	Asset Retirement Obligation Liabilities Settled AssetRetirementObligationLiabilitiesSettled	3722000	USD
CY2016	us-gaap	Asset Retirement Obligation Period Increase Decrease AssetRetirementObligationPeriodIncreaseDecrease	66200000	USD
CY2017Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	18815508000	USD
CY2018Q4	us-gaap	Capitalized Costs Oil And Gas Producing Activities Net CapitalizedCostsOilAndGasProducingActivitiesNet	17148567000	USD
CY2017	eqt	Disposal Group Including Discontinued Operation Sharebased Compensation Expense DisposalGroupIncludingDiscontinuedOperationSharebasedCompensationExpense	15595000	USD
CY2018	eqt	Disposal Group Including Discontinued Operation Sharebased Compensation Expense DisposalGroupIncludingDiscontinuedOperationSharebasedCompensationExpense	18250000	USD
CY2018	dei	Amendment Flag AmendmentFlag	false
CY2018	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2018	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2018	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2018
CY2018	dei	Entity Central Index Key EntityCentralIndexKey	0000033213
CY2018	dei	Document Period End Date DocumentPeriodEndDate	2018-12-31
CY2018	dei	Document Type DocumentType	10-K
CY2019Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	254762000	shares
CY2018	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2018	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2018	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2018Q2	dei	Entity Public Float EntityPublicFloat	14500000000	USD
CY2018	dei	Entity Registrant Name EntityRegistrantName	EQT Corp
CY2018	dei	Entity Shell Company EntityShellCompany	false
CY2018	dei	Entity Small Business EntitySmallBusiness	false
CY2018	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2018	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2018	eqt	Adjustments To Fair Value Of Derivative Contracts Due To Credit Risk AdjustmentsToFairValueOfDerivativeContractsDueToCreditRisk	0	USD
CY2016	eqt	Adjustmentsto Additional Paidin Capital Changein Subsidiary Ownership AdjustmentstoAdditionalPaidinCapitalChangeinSubsidiaryOwnership	-15194000	USD
CY2018	eqt	Adjustmentsto Additional Paidin Capital Changein Subsidiary Ownership AdjustmentstoAdditionalPaidinCapitalChangeinSubsidiaryOwnership	56370000	USD
CY2016	eqt	Amortizationof Debt Issuance Costsand Accretion Expense AmortizationofDebtIssuanceCostsandAccretionExpense	0	USD
CY2017	eqt	Amortizationof Debt Issuance Costsand Accretion Expense AmortizationofDebtIssuanceCostsandAccretionExpense	0	USD
CY2018	eqt	Amortizationof Debt Issuance Costsand Accretion Expense AmortizationofDebtIssuanceCostsandAccretionExpense	17914000	USD
CY2016	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	0	USD
CY2017	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	5400000	USD
CY2018	eqt	Amortizationof Intangible Assets Excluding Discontinued Operations AmortizationofIntangibleAssetsExcludingDiscontinuedOperations	41367000	USD
CY2016	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	75434000	USD
CY2017	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	20327000	USD
CY2018	eqt	Asset Impairment Chargesand Exploratory Well Costs AssetImpairmentChargesandExploratoryWellCosts	2989684000	USD
CY2017	eqt	Asset Retirement Obligation Liabilities Assumedin Acquisitions AssetRetirementObligationLiabilitiesAssumedinAcquisitions	41655000	USD
CY2018	eqt	Asset Retirement Obligation Liabilities Assumedin Acquisitions AssetRetirementObligationLiabilitiesAssumedinAcquisitions	27999000	USD
CY2017	eqt	Asset Retirement Obligation Liabilities Eliminatedin Divestitures AssetRetirementObligationLiabilitiesEliminatedinDivestitures	88000	USD
CY2018	eqt	Asset Retirement Obligation Liabilities Eliminatedin Divestitures AssetRetirementObligationLiabilitiesEliminatedinDivestitures	231936000	USD
CY2018	eqt	Audit Coverage Of Proved Reserves Percentage AuditCoverageOfProvedReservesPercentage	0.81
CY2018	eqt	Audit Coverage Of Remaining Properties Percentage AuditCoverageOfRemainingPropertiesPercentage	0.19
CY2018	eqt	Business Combination Numberof Acres Acquired BusinessCombinationNumberofAcresAcquired	304000	acre
CY2016	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	16600000	USD
CY2017	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	9000000	USD
CY2018	eqt	Capitalizationof Noncash Stock Based Compensation CapitalizationofNoncashStockBasedCompensation	4300000	USD
CY2018	eqt	Change In Discounted Future Cash Flows For Assumed Natural Gas Price Change ChangeInDiscountedFutureCashFlowsForAssumedNaturalGasPriceChange	1900000000	USD
CY2018	eqt	Change In Discounted Future Cash Flows For Assumed Oil Price Change ChangeInDiscountedFutureCashFlowsForAssumedOilPriceChange	34200000	USD
CY2018	eqt	Changein Discounted Future Cash Flowsfor Assumed Natural Gas Liquids Price Change ChangeinDiscountedFutureCashFlowsforAssumedNaturalGasLiquidsPriceChange	665700000	USD
CY2016	eqt	Current Federal Income Tax Expense Benefit Amount Resulting From Refund CurrentFederalIncomeTaxExpenseBenefitAmountResultingFromRefund	-83000000	USD
CY2017	eqt	Current Federal Income Tax Expense Benefit Amount Resulting From Refund CurrentFederalIncomeTaxExpenseBenefitAmountResultingFromRefund	-65000000	USD
CY2018	eqt	Current Federal Income Tax Expense Benefit Amount Resulting From Refund CurrentFederalIncomeTaxExpenseBenefitAmountResultingFromRefund	-141000000	USD
CY2018	eqt	Current Federal Income Tax Expense Benefit Current State Tax Expense CurrentFederalIncomeTaxExpenseBenefitCurrentStateTaxExpense	16000000	USD
CY2016	eqt	Current Income Tax Expense Benefit Amount Offsetby Current Expense CurrentIncomeTaxExpenseBenefitAmountOffsetbyCurrentExpense	-121000000	USD
CY2017	eqt	Current Income Tax Expense Benefit Amount Offsetby Current Expense CurrentIncomeTaxExpenseBenefitAmountOffsetbyCurrentExpense	-29000000	USD
CY2018	eqt	Current Income Tax Expense Benefit Amount Offsetby Current Expense CurrentIncomeTaxExpenseBenefitAmountOffsetbyCurrentExpense	-435000000	USD
CY2018	eqt	Debt Instrument Covenant Debt To Capitalization Ratio Maximum DebtInstrumentCovenantDebtToCapitalizationRatioMaximum	0.65
CY2017Q4	eqt	Debt Instrument Face Amount Current DebtInstrumentFaceAmountCurrent	12407000	USD
CY2018Q4	eqt	Debt Instrument Face Amount Current DebtInstrumentFaceAmountCurrent	704661000	USD
CY2017Q4	eqt	Debt Instrument Face Amount Noncurrent DebtInstrumentFaceAmountNoncurrent	4724920000	USD
CY2018Q4	eqt	Debt Instrument Face Amount Noncurrent DebtInstrumentFaceAmountNoncurrent	4020259000	USD
CY2016	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-180261000	USD
CY2017	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-1050612000	USD
CY2018	eqt	Deferred Income Tax Expense Benefit Continuing And Discontinued Operations DeferredIncomeTaxExpenseBenefitContinuingAndDiscontinuedOperations	-510405000	USD
CY2016	eqt	Deferred Tax Assets Decrease Resultingfrom Uncertain Tax Positions DeferredTaxAssetsDecreaseResultingfromUncertainTaxPositions	500000	USD
CY2017	eqt	Deferred Tax Assets Decrease Resultingfrom Uncertain Tax Positions DeferredTaxAssetsDecreaseResultingfromUncertainTaxPositions	300000	USD
CY2017Q4	eqt	Deferred Tax Assets Interest Disallowance Limitation DeferredTaxAssetsInterestDisallowanceLimitation	0	USD
CY2018Q4	eqt	Deferred Tax Assets Interest Disallowance Limitation DeferredTaxAssetsInterestDisallowanceLimitation	35358000	USD
CY2017Q4	eqt	Deferred Tax Liabilities Deferred Expense Capitalized Drilling And Development Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedDrillingAndDevelopmentCosts	2074091000	USD
CY2018Q4	eqt	Deferred Tax Liabilities Deferred Expense Capitalized Drilling And Development Costs DeferredTaxLiabilitiesDeferredExpenseCapitalizedDrillingAndDevelopmentCosts	1469320000	USD
CY2017Q4	eqt	Deferred Tax Liabilities Unrealized Gains Losseson Trading Securities DeferredTaxLiabilitiesUnrealizedGainsLossesonTradingSecurities	21403000	USD
CY2018Q4	eqt	Deferred Tax Liabilities Unrealized Gains Losseson Trading Securities DeferredTaxLiabilitiesUnrealizedGainsLossesonTradingSecurities	-28096000	USD
CY2016	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	927920000	USD
CY2017	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	1077559000	USD
CY2018	eqt	Depreciation Depletion And Amortization Continuing And Discontinued Operations DepreciationDepletionAndAmortizationContinuingAndDiscontinuedOperations	1729739000	USD
CY2018Q4	eqt	Discount Rate To Compute Standard Measure Of Future Cash Flow DiscountRateToComputeStandardMeasureOfFutureCashFlow	0.1
CY2018	eqt	Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves Change In Price Of Natural Gas Sensitivity DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesChangeInPriceOfNaturalGasSensitivity	0.2
CY2018	eqt	Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves Change In Price Of Oil Sensitivity DiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReservesChangeInPriceOfOilSensitivity	10
CY2018	eqt	Discounted Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Changein Priceof Natural Gas Liquids DiscountedFutureNetCashFlowsRelatingtoProvedOilandGasReservesChangeinPriceofNaturalGasLiquids	10
CY2016	eqt	Disposal Group Including Discontinued Operation Sharebased Compensation Expense DisposalGroupIncludingDiscontinuedOperationSharebasedCompensationExpense	18631000	USD
CY2016Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	12179833000	USD
CY2017Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	18920855000	USD
CY2017Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	5016300000	USD
CY2017Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	5016299000	USD
CY2018Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	4166048000	USD
CY2017Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	USD
CY2018Q4	us-gaap	Capitalized Exploratory Well Costs CapitalizedExploratoryWellCosts	0	USD
CY2017Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	26311000	USD
CY2018Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3487000	USD
CY2018Q4	us-gaap	Capitalized Costs Proved Properties CapitalizedCostsProvedProperties	17648731000	USD
CY2016Q4	us-gaap	Capitalized Costs Unproved Properties CapitalizedCostsUnprovedProperties	1698826000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147315000	USD
CY2015Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1601232000	USD
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1178540000	USD
CY2016	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-422692000	USD
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-1031225000	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-143828000	USD
CY2018Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	0	USD
CY2016	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
CY2018Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	33270000	shares
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3487000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	435190000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Alternative Minimum Tax DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax	308727000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	24682000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	262392000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Other DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsOther	43822000	USD
CY2018Q4	us-gaap	Contract With Customer Asset Net Current ContractWithCustomerAssetNetCurrent	783000000	USD
CY2016	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	880191000	USD
CY2017	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1164783000	USD
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
CY2017Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2018Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2016Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	320000000	shares
CY2017Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	320000000	shares
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	320000000	shares
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	267871000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	257225000	shares
CY2017Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	9388903000	USD
CY2018Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	7828554000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-497319000	USD
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1504029000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-2248419000	USD
CY2016	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-175399000	USD
CY2017	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.12
CY2017	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	1853642000	USD
CY2018	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-2011009000	USD
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-5.99
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.15
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.50
CY2018	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-178591000	USD
CY2018Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	110700000	USD
CY2017Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	7789258000	USD
CY2018Q4	us-gaap	Disposal Group Including Discontinued Operation Assets Noncurrent DisposalGroupIncludingDiscontinuedOperationAssetsNoncurrent	0	USD
CY2016	us-gaap	Dividends Common Stock DividendsCommonStock	20156000	USD
CY2017	us-gaap	Dividends Common Stock DividendsCommonStock	20827000	USD
CY2018	us-gaap	Dividends Common Stock DividendsCommonStock	31375000	USD
CY2016	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.71
CY2017Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.95
CY2017Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
CY2017Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.13
CY2017Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	5.85
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	8.05
CY2016	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	6047000	USD
CY2017	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	15505000	USD
CY2018	us-gaap	Costs Incurred Exploration Costs CostsIncurredExplorationCosts	1708000	USD
CY2016	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	0	USD
CY2018Q1	us-gaap	Cumulative Effect Of New Accounting Principle In Period Of Adoption CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption	4113000	USD
CY2016	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-181817000	USD
CY2017	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	0	USD
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-89149000	USD
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-513293000	USD
CY2018	us-gaap	Costs Incurred Oil And Gas Property Acquisition Exploration And Development Activities CostsIncurredOilAndGasPropertyAcquisitionExplorationAndDevelopmentActivities	0	USD
CY2018	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	1697001000	USD
CY2016	us-gaap	Costs And Expenses CostsAndExpenses	2150107000	USD
CY2017	us-gaap	Costs And Expenses CostsAndExpenses	2708808000	USD
CY2018	us-gaap	Costs And Expenses CostsAndExpenses	7340992000	USD
CY2016	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	403314000	USD
CY2017	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	5251711000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Oil And Gas Properties With Proved Reserves CostsIncurredAcquisitionOfOilAndGasPropertiesWithProvedReserves	77099000	USD
CY2016	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	880545000	USD
CY2017	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	3310995000	USD
CY2018	us-gaap	Costs Incurred Acquisition Of Unproved Oil And Gas Properties CostsIncurredAcquisitionOfUnprovedOilAndGasProperties	198854000	USD
CY2016	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	777787000	USD
CY2017	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	1357165000	USD
CY2018	us-gaap	Costs Incurred Development Costs CostsIncurredDevelopmentCosts	2443980000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1823381000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	644590000	USD
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	904030000	USD
CY2016Q2	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	5400000	USD
CY2016Q4	us-gaap	Defined Benefit Plan Expected Amortization Of Gain Loss Next Fiscal Year DefinedBenefitPlanExpectedAmortizationOfGainLossNextFiscalYear	-9400000	USD
CY2016	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	351408000	USD
CY2017Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1889962000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	241952000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Asset DerivativeFairValueOfDerivativeAsset	481654000	USD
CY2017	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	16600000	USD
CY2018	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	17300000	USD
CY2016	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	856451000	USD
CY2017	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	970985000	USD
CY2018	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1569038000	USD
CY2016	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-110734000	USD
CY2017	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1039769000	USD
CY2018	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	20496000	USD
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-559511000	USD
CY2016	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-22627000	USD
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-5184000	USD
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	-46218000	USD
CY2017Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	4737327000	USD
CY2018Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	4724920000	USD
CY2017	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	1500000	USD
CY2018	us-gaap	Debt Securities Trading Gain Loss DebtSecuritiesTradingGainLoss	-2600000	USD
CY2017Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	42500000	USD
CY2016	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-204444000	USD
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-94333000	USD
CY2018Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	33300000	USD
CY2016	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-158325000	USD
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1094083000	USD
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-137000000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1627570000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1471973000	USD
CY2017Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	3002476000	USD
CY2018Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	2724758000	USD
CY2016	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-47591000	USD
CY2017	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-54314000	USD
CY2018	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-157496000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	0	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Subject To Expiration DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration	130000000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Investments DeferredTaxAssetsInvestments	10359000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1112514000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	26462000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	18981000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	50341000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	901377000	USD
CY2017Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	564180000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	429983000	USD
CY2016	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	-248991000	USD
CY2017	us-gaap	Derivative Instruments Not Designated As Hedging Instruments Gain Loss Net DerivativeInstrumentsNotDesignatedAsHedgingInstrumentsGainLossNet	390021000	USD
CY2017Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	139089000	USD
CY2018Q4	us-gaap	Derivative Fair Value Of Derivative Liability DerivativeFairValueOfDerivativeLiability	336051000	USD
CY2018Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	37710000	USD
CY2016	eqt	Proved Developedand Undeveloped Reserve Acquisitions Energy ProvedDevelopedandUndevelopedReserveAcquisitionsEnergy	2396	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Acquisitions Energy ProvedDevelopedandUndevelopedReserveAcquisitionsEnergy	9390	Bcfe
CY2016	eqt	Proved Developedand Undeveloped Reserve Acquisitions Undeveloped Energy ProvedDevelopedandUndevelopedReserveAcquisitionsUndevelopedEnergy	2076	Bcfe
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	3615390000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	21595227000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Net Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesNetCashFlows	27461933000	USD
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	14864126000	USD
CY2017	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Not Expectedto Developwithin5 Years Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsNotExpectedtoDevelopwithin5YearsEnergy	3074	Bcfe
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	18379892000	USD
CY2018	eqt	Engineer Experience In Years EngineerExperienceInYears	P21Y
CY2016	eqt	Eliminationof Net Deferred Taxes EliminationofNetDeferredTaxes	5921000	USD
CY2016Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	790000000	USD
CY2017Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	1400000000	USD
CY2018Q4	eqt	Future Net Cash Flows Relatingto Proved Oiland Gas Reserves Abandonment Costs FutureNetCashFlowsRelatingtoProvedOilandGasReservesAbandonmentCosts	883000000	USD
CY2016	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-15686000	USD
CY2017	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-7552000	USD
CY2018	eqt	Gain Losson Expirationand Impairmentof Lease GainLossonExpirationandImpairmentofLease	-279708000	USD
CY2016	eqt	Gain Losson Saleof Property Continuingand Discontinued Operations GainLossonSaleofPropertyContinuingandDiscontinuedOperations	0	USD
CY2017	eqt	Gain Losson Saleof Property Continuingand Discontinued Operations GainLossonSaleofPropertyContinuingandDiscontinuedOperations	-12641000	USD
CY2018	eqt	Gain Losson Saleof Property Continuingand Discontinued Operations GainLossonSaleofPropertyContinuingandDiscontinuedOperations	0	USD
CY2018	eqt	Gas And Liquid Carbon Proved Reserves Reviewed Percentage GasAndLiquidCarbonProvedReservesReviewedPercentage	1
CY2016	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	0	USD
CY2017	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	0	USD
CY2018	eqt	Goodwill Impairment Loss Excluding Discontinued Operations GoodwillImpairmentLossExcludingDiscontinuedOperations	530811000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Production Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesProductionCosts	20463567000	USD
CY2016	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	647	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	987	Bcfe
CY2018	eqt	Goodwill Impairment Numberof Days Usedin Calculation GoodwillImpairmentNumberofDaysUsedinCalculation	P30D
CY2017Q4	eqt	Incentive Compensation Liability Current IncentiveCompensationLiabilityCurrent	72910000	USD
CY2018Q4	eqt	Incentive Compensation Liability Current IncentiveCompensationLiabilityCurrent	46937000	USD
CY2017	eqt	Income Tax Expensefrom Government Regulated Asset IncomeTaxExpensefromGovernmentRegulatedAsset	10500000	USD
CY2018Q4	eqt	Income Tax Reconciliation Expected Refundfor Alternative Minimum Tax Credits IncomeTaxReconciliationExpectedRefundforAlternativeMinimumTaxCredits	128000000	USD
CY2018Q4	eqt	Income Tax Reconciliation Expected Refundfor Net Operating Loss Carryback Claims IncomeTaxReconciliationExpectedRefundforNetOperatingLossCarrybackClaims	11000000	USD
CY2017Q4	eqt	Longterm Debt Fair Value Current LongtermDebtFairValueCurrent	12932000	USD
CY2018Q4	eqt	Longterm Debt Fair Value Current LongtermDebtFairValueCurrent	717609000	USD
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Ten Percent Annual Discount For Estimated Timing Of Cash Flows FutureNetCashFlowsRelatingToProvedOilAndGasReservesTenPercentAnnualDiscountForEstimatedTimingOfCashFlows	2626636000	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
CY2018	eqt	Proved Developedand Undeveloped Reserve Transfers Energy ProvedDevelopedandUndevelopedReserveTransfersEnergy	2722	Bcfe
CY2017Q4	eqt	Longterm Debt Fair Value Noncurrent LongtermDebtFairValueNoncurrent	4859899000	USD
CY2018Q4	eqt	Longterm Debt Fair Value Noncurrent LongtermDebtFairValueNoncurrent	3835818000	USD
CY2018	eqt	Maximum Additional Collateral As Percentage Of Derivative Liability MaximumAdditionalCollateralAsPercentageOfDerivativeLiability	1
CY2017	eqt	Numberof Dry Holes Drilled NumberofDryHolesDrilled	1	dry_hole
CY2018	eqt	Revenuefrom Contractwith Customer Numberof Daysfrom Monthendinwhich Paymentis Required RevenuefromContractwithCustomerNumberofDaysfromMonthendinwhichPaymentisRequired	P25D
CY2018	eqt	Numberof Dry Holes Drilled NumberofDryHolesDrilled	0	dry_hole
CY2018Q4	eqt	Reserved Authorized And Unissued Common Stock Compensation Plans ReservedAuthorizedAndUnissuedCommonStockCompensationPlans	12813000	shares
CY2018Q4	eqt	Reserved Authorized And Unissued Common Stock Possible Future Acquisitions ReservedAuthorizedAndUnissuedCommonStockPossibleFutureAcquisitions	20457000	shares
CY2016	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.06
CY2017	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.04
CY2018	eqt	Oil And Gas Property Successful Effort Method Average Depletion Rate OilAndGasPropertySuccessfulEffortMethodAverageDepletionRate	1.04
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
CY2016Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	115400000	USD
CY2017Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	114600000	USD
CY2018Q4	eqt	Oil And Gas Property Successful Effort Method Internal Costs OilAndGasPropertySuccessfulEffortMethodInternalCosts	130000000	USD
CY2018	eqt	Oiland Gas Arrangements Termof Contract OilandGasArrangementsTermofContract	P20Y
CY2016	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	144000	USD
CY2017	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	144000	USD
CY2018	eqt	Other Comprehensive Income Derivatives Qualifying As Hedges Period Increase Decrease Net Of Tax Interest Rate OtherComprehensiveIncomeDerivativesQualifyingAsHedgesPeriodIncreaseDecreaseNetOfTaxInterestRate	168000	USD
CY2016	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	144000	USD
CY2017	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	144000	USD
CY2018	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Netof Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesNetofTax	168000	USD
CY2016	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesTax	104000	USD
CY2017	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesTax	105000	USD
CY2018	eqt	Other Comprehensive Income Loss Interest Rate Derivatives Qualifyingas Hedges Tax OtherComprehensiveIncomeLossInterestRateDerivativesQualifyingasHedgesTax	80000	USD
CY2016	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	0	USD
CY2017	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	0	USD
CY2018	eqt	Paymentfor Retirementof Common Stock PaymentforRetirementofCommonStock	538876000	USD
CY2016	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	584819000	USD
CY2017	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	380151000	USD
CY2018	eqt	Payments To Acquire Property Plant And Equipment Discontinued Operations PaymentsToAcquirePropertyPlantAndEquipmentDiscontinuedOperations	732727000	USD
CY2016	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	1369000	USD
CY2017	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	11420000	USD
CY2018	eqt	Paymentsfor Dry Hole Costs PaymentsforDryHoleCosts	0	USD
CY2016	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	0	USD
CY2017	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	0	USD
CY2016	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	402891000	USD
CY2017	eqt	Proved Developedand Undeveloped Reserve Acquisitions Undeveloped Energy ProvedDevelopedandUndevelopedReserveAcquisitionsUndevelopedEnergy	6060	Bcfe
CY2016	eqt	Proved Developedand Undeveloped Reserve Changein Economic Life Energy ProvedDevelopedandUndevelopedReserveChangeinEconomicLifeEnergy	-31	Bcfe
CY2018Q4	eqt	Tax Cutsand Jobs Act Interest Disallowance Limitation Valuation Allowance TaxCutsandJobsActInterestDisallowanceLimitationValuationAllowance	21700000	USD
CY2018	eqt	Treasury Stock Acquired Commission Average Cost Per Share TreasuryStockAcquiredCommissionAverageCostPerShare	0.02
CY2017Q4	eqt	Treasury Stock Shares Heldin Trust TreasuryStockSharesHeldinTrust	253145	shares
CY2017Q4	eqt	Treasury Stock Shares Heldin Trust TreasuryStockSharesHeldinTrust	253000	shares
CY2018Q4	eqt	Treasury Stock Shares Heldin Trust TreasuryStockSharesHeldinTrust	0	shares
CY2018Q4	eqt	Treasury Stock Shares Heldin Trust TreasuryStockSharesHeldinTrust	0	shares
CY2018Q4	eqt	Unrecognized Tax Benefit Threshold Percentage UnrecognizedTaxBenefitThresholdPercentage	0.5
CY2017	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	712635000	USD
CY2016Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	5500000	USD
CY2017Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	4700000	USD
CY2018Q4	eqt	Unrecognized Tax Benefits Deductible Timing Uncertainty UnrecognizedTaxBenefitsDeductibleTimingUncertainty	700000	USD
CY2015Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	259301000	USD
CY2016Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	252434000	USD
CY2017Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	301558000	USD
CY2017	eqt	Proved Developedand Undeveloped Reserve Changein Economic Life Energy ProvedDevelopedandUndevelopedReserveChangeinEconomicLifeEnergy	-278	Bcfe
CY2016	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	1371	Bcfe
CY2018Q4	eqt	Unrecognized Tax Benefits Excluding Interest And Penalties UnrecognizedTaxBenefitsExcludingInterestAndPenalties	315279000	USD
CY2018	eqt	Wells Coveredunder Audit Number Maximum Non Operated Wells WellsCoveredunderAuditNumberMaximumNonOperatedWells	115	well
CY2018	eqt	Wells Coveredunder Audit Number Maximum Operated Wells WellsCoveredunderAuditNumberMaximumOperatedWells	200	well
CY2018Q4	eqt	Saleof Stock Percentageof Ownership Transferred SaleofStockPercentageofOwnershipTransferred	0.801
CY2017	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	1032	Bcfe
CY2016	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	0	USD
CY2017	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	284000	USD
CY2018	eqt	Proved Developedand Undeveloped Reserve Inclusionin Drilling Plan Energy ProvedDevelopedandUndevelopedReserveInclusioninDrillingPlanEnergy	3538	Bcfe
CY2016	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	509	Bcfe
CY2017	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	3522	Bcfe
CY2018	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Economicand Lackof Development Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsEconomicandLackofDevelopmentEnergy	1273	Bcfe
CY2016	eqt	Proved Developedand Undeveloped Reserve Removalof Locations Not Expectedto Developwithin5 Years Energy ProvedDevelopedandUndevelopedReserveRemovalofLocationsNotExpectedtoDevelopwithin5YearsEnergy	389	Bcfe
CY2018	srt	Decrease Due To Sales Of Minerals In Place DecreaseDueToSalesOfMineralsInPlace	849162000	USD
CY2016	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	590885000	USD
CY2017	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1269712000	USD
CY2018	srt	Extensions Discoveries Additions And Improved Recovery Less Related Costs ExtensionsDiscoveriesAdditionsAndImprovedRecoveryLessRelatedCosts	1616653000	USD
CY2018Q4	eqt	Saleof Stock Stock Dividend Per Share SaleofStockStockDividendPerShare	0.80
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	24011281000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	51423920000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Cash Inflows FutureNetCashFlowsRelatingToProvedOilAndGasReservesCashInflows	60603624000	USD
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	3778698000	USD
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	5637676000	USD
CY2018	eqt	Paymentsfor Proceedsfrom Separationand Distribution PaymentsforProceedsfromSeparationandDistribution	129008000	USD
CY2016	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	279425000	USD
CY2015Q4	eqt	Stock Repurchase Program Authorized Amount Shares StockRepurchaseProgramAuthorizedAmountShares	17000000	shares
CY2017	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	40728000	USD
CY2018	eqt	Proceeds From Payments For Cash Settlementson Derivatives Not Designatedas Hedges ProceedsFromPaymentsForCashSettlementsonDerivativesNotDesignatedasHedges	-225279000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Development Costs FutureNetCashFlowsRelatingToProvedOilAndGasReservesDevelopmentCosts	5854503000	USD
CY2016	eqt	Proved Developedand Undeveloped Reserve Acquisitions Developed Energy ProvedDevelopedandUndevelopedReserveAcquisitionsDevelopedEnergy	320	Bcfe
CY2016Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	1753067000	USD
CY2017	eqt	Proved Developedand Undeveloped Reserve Acquisitions Developed Energy ProvedDevelopedandUndevelopedReserveAcquisitionsDevelopedEnergy	3330	Bcfe
CY2017Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	5811125000	USD
CY2018Q4	srt	Future Net Cash Flows Relating To Proved Oil And Gas Reserves Income Tax Expense FutureNetCashFlowsRelatingToProvedOilAndGasReservesIncomeTaxExpense	6823621000	USD
CY2018Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11550161	MMcf
CY2015Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	3697040	MMcf
CY2016Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	6665449	MMcf
CY2017Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10147711	MMcf
CY2018Q4	srt	Proved Undeveloped Reserve Volume ProvedUndevelopedReserveVolume	10266615	MMcf
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	1401802000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	332202000	USD
CY2016	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	11200000	USD
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	8013180000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Period Increase Decrease StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesPeriodIncreaseDecrease	2609964000	USD
CY2016	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	122674000	USD
CY2017	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	115437000	USD
CY2018	srt	Standardized Measure Of Discounted Future Net Cash Flow Relating To Proved Oil And Gas Reserves Accretion Of Discount StandardizedMeasureOfDiscountedFutureNetCashFlowRelatingToProvedOilAndGasReservesAccretionOfDiscount	834026000	USD
CY2017Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	62091000	USD
CY2018Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	75978000	USD
CY2015Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	977554000	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
CY2017Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	5666018000	USD
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	4755505000	USD
CY2016	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-60959000	USD
CY2017	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-297437000	USD
CY2018	srt	Increase Decrease In Estimated Future Development Costs IncreaseDecreaseInEstimatedFutureDevelopmentCosts	1630506000	USD
CY2016	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-91823000	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
CY2018	srt	Increase Decrease In Future Income Tax Expense Estimates On Future Cash Flows Related To Proved Oil And Gas Reserves IncreaseDecreaseInFutureIncomeTaxExpenseEstimatesOnFutureCashFlowsRelatedToProvedOilAndGasReserves	-289549000	USD
CY2016	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	592078000	USD
CY2017	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	5357921000	USD
CY2018	srt	Increase Due To Purchases Of Minerals In Place IncreaseDueToPurchasesOfMineralsInPlace	0	USD
CY2016	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	-1129026000	USD
CY2017	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	2236183000	USD
CY2018	srt	Net Increase Decrease In Sales And Transfer Prices And Production Costs NetIncreaseDecreaseInSalesAndTransferPricesAndProductionCosts	2949606000	USD
CY2016	srt	Proved Developed And Undeveloped Reserve Extension And Discovery Energy ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy	68	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Extension And Discovery Energy ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy	477	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Extension And Discovery Energy ProvedDevelopedAndUndevelopedReserveExtensionAndDiscoveryEnergy	148	Bcfe
CY2016	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	2385	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	2225	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Net Energy Period Increase Decrease ProvedDevelopedAndUndevelopedReserveNetEnergyPeriodIncreaseDecrease	4739	Bcfe
CY2016	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	776	Bcfe
CY2017	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	908	Bcfe
CY2018	srt	Proved Developed And Undeveloped Reserve Production Energy ProvedDevelopedAndUndevelopedReserveProductionEnergy	1495	Bcfe
CY2016	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	2384682	MMcf
CY2017Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2458000	USD
CY2018Q4	srt	Standardized Measure Of Discounted Future Net Cash Flows Relating To Proved Oil And Gas Reserves StandardizedMeasureOfDiscountedFutureNetCashFlowsRelatingToProvedOilAndGasReserves	11611898000	USD
CY2017Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	726433000	USD
CY2018	srt	Revisions Of Previous Quantity Estimates RevisionsOfPreviousQuantityEstimates	-811576000	USD
CY2016	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	540636000	USD
CY2018Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	1059873000	USD
CY2017	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	1305186000	USD
CY2017	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	2225141	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Extensions Discoveries And Additions ProvedDevelopedAndUndevelopedReservesExtensionsDiscoveriesAndAdditions	4739233	MMcf
CY2017Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	664685000	USD
CY2018Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1241843000	USD
CY2018Q4	us-gaap	Accrual For Environmental Loss Contingencies AccrualForEnvironmentalLossContingencies	11800000	USD
CY2018Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-5406000	USD
CY2018	srt	Sales And Transfers Of Oil And Gas Produced Net Of Production Costs SalesAndTransfersOfOilAndGasProducedNetOfProductionCosts	2802742000	USD
CY2016	srt	Standardized Measure Of Discounted Future Net Cash Flow Of Proved Oil And Gas Reserves Other StandardizedMeasureOfDiscountedFutureNetCashFlowOfProvedOilAndGasReservesOther	125116000	USD
CY2015Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	9976597	MMcf
CY2016Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	13508407	MMcf
CY2017Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21445667	MMcf
CY2018Q4	srt	Proved Developed And Undeveloped Reserves Net ProvedDevelopedAndUndevelopedReservesNet	21816776	MMcf
CY2016	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	776363	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	907892	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Production ProvedDevelopedAndUndevelopedReservesProduction	1494663	MMcf
CY2016	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	2395776	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	9389638	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Purchases Of Minerals In Place ProvedDevelopedAndUndevelopedReservesPurchasesOfMineralsInPlace	0	MMcf
CY2016Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	6842958	MMcf
CY2017Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	11297956	MMcf
CY2016	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-472285	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-2766981	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Revisions Of Previous Estimates Increase Decrease ProvedDevelopedAndUndevelopedReservesRevisionsOfPreviousEstimatesIncreaseDecrease	-1124904	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Sale Of Mineral In Place Energy ProvedDevelopedAndUndevelopedReservesSaleOfMineralInPlaceEnergy	1749	Bcfe
CY2016	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	0	MMcf
CY2017	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	2646	MMcf
CY2018	srt	Proved Developed And Undeveloped Reserves Sales Of Minerals In Place ProvedDevelopedAndUndevelopedReservesSalesOfMineralsInPlace	1748557	MMcf
CY2015Q4	srt	Proved Developed Reserves Volume ProvedDevelopedReservesVolume	6279557	MMcf
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-8.60
CY2016	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.71
CY2017Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.95
CY2017Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
CY2017Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.13
CY2017Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	5.83
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	8.04
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-5.99
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.15
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.50
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-8.60
CY2016	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.406
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	-5.984
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.226
CY2016	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2016	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	22200000	USD
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	58900000	USD
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	13400000	USD
CY2017Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	0	USD
CY2018Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	1013002000	USD
CY2016	us-gaap	Exploration Expense ExplorationExpense	4663000	USD
CY2017	us-gaap	Exploration Expense ExplorationExpense	17565000	USD
CY2018	us-gaap	Exploration Expense ExplorationExpense	6765000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	5400000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	46767000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	41400000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	35900000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	124100000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	124100000	USD
CY2017Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	118700000	USD
CY2018Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	77333000	USD
CY2018Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	-72400000	USD
CY2016	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-248991000	USD
CY2017	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	390021000	USD
CY2018	us-gaap	Gain Loss On Price Risk Derivative Instruments Not Designated As Hedging Instruments GainLossOnPriceRiskDerivativeInstrumentsNotDesignatedAsHedgingInstruments	-178591000	USD
CY2016	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	8025000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	0	USD
CY2018	us-gaap	Gain Loss On Sale Of Property GainLossOnSaleOfProperty	0	USD
CY2016	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	8025000	USD
CY2017	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2018	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	USD
CY2017Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-12600000	USD
CY2016	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-12641000	USD
CY2018	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2017Q4	us-gaap	Goodwill Goodwill	470849000	USD
CY2018Q4	us-gaap	Goodwill Goodwill	0	USD
CY2016	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2017	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	798689000	USD
CY2016	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2017	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	0	USD
CY2018	us-gaap	Impairment Of Oil And Gas Properties ImpairmentOfOilAndGasProperties	2709976000	USD
CY2016	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-531493000	USD
CY2017Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	113190000	USD
CY2017Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	3387000	USD
CY2017Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-6238000	USD
CY2017Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1276690000	USD
CY2017	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	1387029000	USD
CY2018Q1	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-1578533000	USD
CY2018Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-76978000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-127347000	USD
CY2018Q4	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-598062000	USD
CY2018	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	-2380920000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-894262000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	198613000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3077431000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-531493000	USD
CY2017	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	1387029000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Including Portion Attributable To Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest	-2380920000	USD
CY2016	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-3.18
CY2017Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.66
CY2017Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.02
CY2017Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.04
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	5.83
CY2017	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	7.40
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-5.96
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.29
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-0.49
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-2.35
CY2018	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	-9.12
CY2016	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-3.18
CY2017Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.66
CY2017Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.02
CY2017Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.04
CY2017Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	5.81
CY2017	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	7.39
CY2018Q1	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-5.96
CY2018Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.29
CY2018Q3	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-0.49
CY2018Q4	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-2.35
CY2018	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	-9.12
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	400430000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	471113000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	373762000	USD
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	78510000	USD
CY2017Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	50802000	USD
CY2017Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	37739000	USD
CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	29578000	USD
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	3381000	USD
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	121500000	USD
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-7461000	USD
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	94784000	USD
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	87654000	USD
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	-38625000	USD
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Attributable To Reporting Entity IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity	136352000	USD
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.47
CY2017Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.29
CY2017Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.22
CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.17
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.02
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.65
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.03
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.36
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.34
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	-0.15
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.52
CY2016	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.47
CY2017Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.29
CY2017Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.22
CY2017Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.17
CY2017Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.02
CY2017	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.65
CY2018Q1	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.03
CY2018Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.36
CY2018Q3	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.34
CY2018Q4	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	-0.15
CY2018	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.52
CY2016	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-362769000	USD
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1188416000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-696511000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	23808000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	10680000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	88785000	USD
CY2016	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	0	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1205140000	USD
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-1200000000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	5288000	USD
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	5300000	USD
CY2016	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	0	USD
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-1337000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-3675000	USD
CY2017Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	14385000	USD
CY2017	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	10488000	USD
CY2018	us-gaap	Income Tax Reconciliation Disposition Of Assets IncomeTaxReconciliationDispositionOfAssets	-276000	USD
CY2018	us-gaap	Income Tax Reconciliation Disposition Of Business IncomeTaxReconciliationDispositionOfBusiness	-66600000	USD
CY2016	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-312992000	USD
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	69515000	USD
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-646261000	USD
CY2016	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2017	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	0	USD
CY2018	us-gaap	Income Tax Reconciliation Nondeductible Expense Impairment Losses IncomeTaxReconciliationNondeductibleExpenseImpairmentLosses	111470000	USD
CY2016	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	6997000	USD
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	18411000	USD
CY2016	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-76043000	USD
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-57414000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-251780000	USD
CY2016	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	4539000	USD
CY2017	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	34956000	USD
CY2018	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	2400000	USD
CY2016	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-41142000	USD
CY2017	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3637000	USD
CY2018Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	131573000	USD
CY2016	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	40548000	USD
CY2017	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-16680000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	457113000	USD
CY2016	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	-34880000	USD
CY2017	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	12285000	USD
CY2018	us-gaap	Increase Decrease In Income Taxes Receivable IncreaseDecreaseInIncomeTaxesReceivable	117188000	USD
CY2016	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	165507000	USD
CY2017	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	8979000	USD
CY2018	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	439062000	USD
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	346528	shares
CY2017Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	118700000	USD
CY2018Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	77333000	USD
CY2016	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	19200000	USD
CY2017	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	20500000	USD
CY2018	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	29000000	USD
CY2016	us-gaap	Interest Expense InterestExpense	131159000	USD
CY2017	us-gaap	Interest Expense InterestExpense	167971000	USD
CY2018	us-gaap	Interest Expense InterestExpense	228958000	USD
CY2016	us-gaap	Interest Paid Net InterestPaidNet	144657000	USD
CY2017	us-gaap	Interest Paid Net InterestPaidNet	189371000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	260959000	USD
CY2017Q4	us-gaap	Interest Payable Current InterestPayableCurrent	41926000	USD
CY2018Q4	us-gaap	Interest Payable Current InterestPayableCurrent	42998000	USD
CY2016	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
CY2017	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
CY2018	us-gaap	Inventory Write Down InventoryWriteDown	0	USD
CY2016	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	44100000	USD
CY2017	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	60800000	USD
CY2018	us-gaap	Lease And Rental Expense LeaseAndRentalExpense	117400000	USD
CY2016Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	0	USD
CY2017Q4	us-gaap	Liabilities Liabilities	11107991000	USD
CY2018Q4	us-gaap	Liabilities Liabilities	9763115000	USD
CY2017Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	29522604000	USD
CY2018Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	20721344000	USD
CY2016	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	87600000	USD
CY2017	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	10000000	USD
CY2017Q4	us-gaap	Liabilities Current LiabilitiesCurrent	1232237000	USD
CY2018Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2355001000	USD
CY2017Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	80033000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Current LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent	0	USD
CY2017Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	1248032000	USD
CY2018Q4	us-gaap	Liabilities Of Disposal Group Including Discontinued Operation Noncurrent LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationNoncurrent	0	USD
CY2016	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.0023
CY2017	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.0020
CY2018	us-gaap	Line Of Credit Facility Commitment Fee Percentage LineOfCreditFacilityCommitmentFeePercentage	0.0020
CY2017Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	0	USD
CY2018Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	53500000	USD
CY2017Q4	us-gaap	Long Term Debt LongTermDebt	4702329000	USD
CY2018Q4	us-gaap	Long Term Debt LongTermDebt	4697381000	USD
CY2017Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	12406000	USD
CY2018Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	704390000	USD
CY2017Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	4872831000	USD
CY2018Q4	us-gaap	Long Term Debt Fair Value LongTermDebtFairValue	4553427000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1365000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	700000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	10000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	750000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	774000000	USD
CY2018Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1011200000.0	USD
CY2017Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4689923000	USD
CY2018Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3992991000	USD
CY2017Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	1295000000	USD
CY2018Q4	us-gaap	Long Term Line Of Credit LongTermLineOfCredit	800000000	USD
CY2013Q1	us-gaap	Loss Contingency Damages Sought LossContingencyDamagesSought	100
CY2017Q4	us-gaap	Minority Interest MinorityInterest	5094995000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	0	USD
CY2016	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	189981000	USD
CY2017	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	236123000	USD
CY2018	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	380651000	USD
CY2018	us-gaap	Minority Interest Decrease From Redemptions MinorityInterestDecreaseFromRedemptions	175000000	USD
CY2016	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1399469000	USD
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1533147000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	859020000	USD
CY2016	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2886481000	USD
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-4202070000	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3979104000	USD
CY2016	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1064320000	USD
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1637698000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2976256000	USD
CY2016	us-gaap	Net Income Loss NetIncomeLoss	-452983000	USD
CY2017Q1	us-gaap	Net Income Loss NetIncomeLoss	163992000	USD
CY2017Q2	us-gaap	Net Income Loss NetIncomeLoss	41126000	USD
CY2017Q3	us-gaap	Net Income Loss NetIncomeLoss	23340000	USD
CY2017Q4	us-gaap	Net Income Loss NetIncomeLoss	1280071000	USD
CY2017	us-gaap	Net Income Loss NetIncomeLoss	1508529000	USD
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	-1585994000	USD
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	17806000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	-39693000	USD
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	-636687000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-2244568000	USD
CY2016	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	321920000	USD
CY2017	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	349613000	USD
CY2018	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	237410000	USD
CY2017	us-gaap	Noncontrolling Interest Increase From Sale Of Parent Equity Interest NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	6738000	USD
CY2016	us-gaap	Noncontrolling Interest Increase From Subsidiary Equity Issuance NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	217102000	USD
CY2017Q4	us-gaap	Notes Payable NotesPayable	114720000	USD
CY2018Q4	us-gaap	Notes Payable NotesPayable	110059000	USD
CY2018	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	segment
CY2017Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables OilAndGasJointInterestBillingReceivables	149300000	USD
CY2018Q4	us-gaap	Oil And Gas Joint Interest Billing Receivables OilAndGasJointInterestBillingReceivables	324200000	USD
CY2016	us-gaap	Operating Income Loss OperatingIncomeLoss	-755028000	USD
CY2017Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	243572000	USD
CY2017Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	47763000	USD
CY2017Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-6380000	USD
CY2017Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	97257000	USD
CY2017	us-gaap	Operating Income Loss OperatingIncomeLoss	382212000	USD
CY2018Q1	us-gaap	Operating Income Loss OperatingIncomeLoss	-1950332000	USD
CY2018Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	-114650000	USD
CY2018Q3	us-gaap	Operating Income Loss OperatingIncomeLoss	-147451000	USD
CY2018Q4	us-gaap	Operating Income Loss OperatingIncomeLoss	-570691000	USD
CY2016	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	6165000	USD
CY2018Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	268838000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	8400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	6000000	USD
CY2017Q4	us-gaap	Operating Loss Carryforwards Valuation Allowance OperatingLossCarryforwardsValuationAllowance	217000000	USD
CY2017Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	55875000	USD
CY2018Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	26381000	USD
CY2017Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	250734000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-55155000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-4982000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-4625000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-36296000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	-3191000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax	2584000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-44336000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4500000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3851000	USD
CY2018	us-gaap	Operating Income Loss OperatingIncomeLoss	-2783124000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	109900000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	70300000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	8400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	8400000	USD
CY2018Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	8400000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-10675000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-338000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-606000	USD
CY2016	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-6778000	USD
CY2017	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-193000	USD
CY2018	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-510000	USD
CY2018	us-gaap	Other Income OtherIncome	-151516000	USD
CY2017Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	274276000	USD
CY2018Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	254687000	USD
CY2017Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	752837000	USD
CY2018Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	791742000	USD
CY2016	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	31693000	USD
CY2017	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	24955000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	-18335000	USD
CY2016	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	8075000	USD
CY2017	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	2987000	USD
CY2018	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	65349000	USD
CY2016	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-84193000	USD
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	27280000	USD
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-20358000	USD
CY2016	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2017	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	0	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	9778000	USD
CY2016	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	85866000	USD
CY2017	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	159550000	USD
CY2018	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	31375000	USD
CY2016	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	189981000	USD
CY2017	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	236123000	USD
CY2018	us-gaap	Payments Of Dividends Minority Interest PaymentsOfDividendsMinorityInterest	380651000	USD
CY2016	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	26931000	USD
CY2016	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30000	USD
CY2017	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30000	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	27000	USD
CY2016	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	1560272000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2016	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2017	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	89363000	USD
CY2018	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	0	USD
CY2016	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	8580000	USD
CY2017	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	41876000	USD
CY2018	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	40966000	USD
CY2016	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20156000	USD
CY2017	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	20827000	USD
CY2017	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	72116000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	22647000	USD
CY2016	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	1061735000	USD
CY2017	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	828657000	USD
CY2018	us-gaap	Payments To Acquire Businesses Gross PaymentsToAcquireBusinessesGross	34113000	USD
CY2018	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	820943000	USD
CY2016	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	284882000	USD
CY2016	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	942810000	USD
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1549351000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2964924000	USD
CY2016	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2017	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	0	USD
CY2018	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	175000000	USD
CY2016	us-gaap	Pension Expense PensionExpense	9403000	USD
CY2017	us-gaap	Pension Expense PensionExpense	0	USD
CY2018	us-gaap	Pension Expense PensionExpense	0	USD
CY2016Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000	shares
CY2017Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	3000000	shares
CY2016Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2016Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2017Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	59462000	USD
CY2018Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	111107000	USD
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	9119247000	USD
CY2017Q4	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	2974200000	USD
CY2017	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	3573000	USD
CY2018	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	583381000	USD
CY2017	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	244000	USD
CY2018	us-gaap	Proceeds And Excess Tax Benefit From Sharebased Compensation ProceedsAndExcessTaxBenefitFromSharebasedCompensation	1946000	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	217102000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Limited Partners Units ProceedsFromIssuanceOfCommonLimitedPartnersUnits	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	1225999000	USD
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2016	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	500000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	3000000000	USD
CY2018	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	2500000000	USD
CY2016	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	5000000	USD
CY2017	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	200000	USD
CY2018	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans	1900000	USD
CY2016	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2017	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	6738000	USD
CY2018	us-gaap	Proceeds From Minority Shareholders ProceedsFromMinorityShareholders	0	USD
CY2017	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	283758000	USD
CY2018	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	0	USD
CY2016	us-gaap	Proceeds From Sale Of Productive Assets ProceedsFromSaleOfProductiveAssets	75000000	USD
CY2016	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	740000000	USD
CY2017	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	2063000000	USD
CY2018	us-gaap	Proceeds From Short Term Debt ProceedsFromShortTermDebt	8637500000	USD
CY2016	us-gaap	Profit Loss ProfitLoss	-131063000	USD
CY2017	us-gaap	Profit Loss ProfitLoss	1858142000	USD
CY2018	us-gaap	Profit Loss ProfitLoss	-2007158000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	25396026000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22148012000	USD
CY2017Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19730008000	USD
CY2018Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	17392507000	USD
CY2016	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3856000	USD
CY2017	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-979000	USD
CY2018	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	3078000	USD
CY2016	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	44336000	USD
CY2017	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	4500000	USD
CY2018	us-gaap	Reclassification From Accumulated Other Comprehensive Income Current Period Net Of Tax ReclassificationFromAccumulatedOtherComprehensiveIncomeCurrentPeriodNetOfTax	2948000	USD
CY2016	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	5119000	USD
CY2017	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	2000000000	USD
CY2018	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8376000	USD
CY2016	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1039000000	USD
CY2017	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	1076500000	USD
CY2018	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	8953500000	USD
CY2016Q4	us-gaap	Restricted Cash RestrictedCash	75000000	USD
CY2017	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	187725000	USD
CY2018	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-1308735000	USD
CY2017Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	41474000	USD
CY2018Q4	us-gaap	Restructuring Reserve Current RestructuringReserveCurrent	8893000	USD
CY2016	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	856451000	USD
CY2017	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	970985000	USD
CY2018	us-gaap	Results Of Operations Depreciation Depletion And Amortization And Valuation Provisions ResultsOfOperationsDepreciationDepletionAndAmortizationAndValuationProvisions	1569038000	USD
CY2016	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-135029000	USD
CY2017	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	121359000	USD
CY2018	us-gaap	Results Of Operations Income Tax Expense ResultsOfOperationsIncomeTaxExpense	-454009000	USD
CY2016	us-gaap	Results Of Operations Oil And Gas Producing Activities Net Income Excluding Corporate Overhead And Interest Costs ResultsOfOperationsOilAndGasProducingActivitiesNetIncomeExcludingCorporateOverheadAndInterestCosts	-201135000	USD
CY2016	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	174170000	USD
CY2017	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	181349000	USD
CY2018	us-gaap	Results Of Operations Production Or Lifting Costs ResultsOfOperationsProductionOrLiftingCosts	195775000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3996775000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3184275000	USD
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4709384000	USD
CY2016	us-gaap	Revenues Revenues	1387054000	USD
CY2017Q1	us-gaap	Revenues Revenues	828662000	USD
CY2017Q2	us-gaap	Revenues Revenues	631101000	USD
CY2017Q3	us-gaap	Revenues Revenues	597718000	USD
CY2017Q4	us-gaap	Revenues Revenues	1033539000	USD
CY2017	us-gaap	Revenues Revenues	3091020000	USD
CY2018Q1	us-gaap	Revenues Revenues	1312036000	USD
CY2018Q2	us-gaap	Revenues Revenues	950648000	USD
CY2018Q3	us-gaap	Revenues Revenues	1050046000	USD
CY2018Q4	us-gaap	Revenues Revenues	1245138000	USD
CY2018	us-gaap	Revenues Revenues	4557868000	USD
CY2018Q4	us-gaap	Sale Of Stock Percentage Of Ownership After Transaction SaleOfStockPercentageOfOwnershipAfterTransaction	0.199
CY2016	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	218946000	USD
CY2017	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	208986000	USD
CY2018	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	284220000	USD
CY2017Q4	us-gaap	Senior Notes SeniorNotes	4575203000	USD
CY2018Q4	us-gaap	Senior Notes SeniorNotes	3882932000	USD
CY2016	us-gaap	Share Based Compensation ShareBasedCompensation	44605000	USD
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	94592000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	25189000	USD
CY2017	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	7665340000	USD
CY2016	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	1225999000	USD
CY2016	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	42943000	USD
CY2017	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	26626000	USD
CY2018	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	8385000	USD
CY2016	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	30000	USD
CY2017	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	30000	USD
CY2018	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	538876000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	13319618000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	10958229000	USD
CY2015Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	8028042000	USD
CY2015	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	291919	shares
CY2018	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	10646382	shares
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	63602000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	23978000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	50469000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	18414613000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	10958229000	USD
CY2018Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	295000000	USD
CY2018Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	13300000	USD
CY2018Q4	us-gaap	Tax Credit Carryforward Valuation Allowance TaxCreditCarryforwardValuationAllowance	13000000	USD
CY2018	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	50.62
CY2017Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	3551000	shares
CY2018Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	2753000	shares
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	49194000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	51181000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	10323000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	9134000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	5200000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	8400000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	11900000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	8459000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	20336000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	8978000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	14396000	USD
CY2016	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	1600000	USD
CY2017	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	3200000	USD
CY2018	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Expense UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense	3400000	USD
CY2016Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	102000000	USD
CY2017Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	120500000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	124600000	USD
CY2016	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	166978000	shares
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	187727000	shares
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	260932000	shares
CY2016	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	166978000	shares
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	187380000	shares
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	260932000	shares
CY2018	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-family:Times New Roman;font-size:10pt;"><div style="line-height:120%;text-align:justify;text-indent:36px;font-size:10pt;"><font style="font-family:inherit;font-size:10pt;font-style:italic;">Use of Estimates:</font><font 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.</font></div></div>

Files In Submission

Name	View Source	Status
0000033213-19-000006-index-headers.html	Edgar Link	pending
0000033213-19-000006-index.html	Edgar Link	pending
0000033213-19-000006.txt	Edgar Link	pending
0000033213-19-000006-xbrl.zip	Edgar Link	pending
eqt-20181231.xml	Edgar Link	completed
eqt-20181231.xsd	Edgar Link	pending
eqt-20181231_cal.xml	Edgar Link	unprocessable
eqt-20181231_def.xml	Edgar Link	unprocessable
eqt-20181231_lab.xml	Edgar Link	unprocessable
eqt-20181231_pre.xml	Edgar Link	unprocessable
eqt1231201810k.htm	Edgar Link	pending
ex1002aa2018.htm	Edgar Link	pending
ex1002bb2018.htm	Edgar Link	pending
ex1002cc2018.htm	Edgar Link	pending
ex1002i2018.htm	Edgar Link	pending
ex1002n2018.htm	Edgar Link	pending
ex1002o2018.htm	Edgar Link	pending
ex1002s2018.htm	Edgar Link	pending
ex1002t2018.htm	Edgar Link	pending
ex1002w2018.htm	Edgar Link	pending
ex1002x2018.htm	Edgar Link	pending
ex1002y2018.htm	Edgar Link	pending
ex1002z2018.htm	Edgar Link	pending
ex10062018.htm	Edgar Link	pending
ex1013b2018.htm	Edgar Link	pending
ex10152018.htm	Edgar Link	pending
ex1016a2018.htm	Edgar Link	pending
ex1016b2018.htm	Edgar Link	pending
ex10172018.htm	Edgar Link	pending
ex1019b2018.htm	Edgar Link	pending
ex1020b2018.htm	Edgar Link	pending
ex10222018.htm	Edgar Link	pending
ex212018.htm	Edgar Link	pending
ex23012018.htm	Edgar Link	pending
ex23022018.htm	Edgar Link	pending
ex31012018.htm	Edgar Link	pending
ex31022018.htm	Edgar Link	pending
ex322018.htm	Edgar Link	pending
ex992018.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R9999.htm	Edgar Link	pending
report.css	Edgar Link	pending
ryderscottsymbol.jpg	Edgar Link	pending
Show.js	Edgar Link	pending
stockperformancegraph2018.jpg	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$EQT
EQT Corp Stock $eqt

2018 Q4 Form 10-K Financial Statement

#000003321319000006 Filed on February 14, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQT EQT Corp Stock $eqt

2018 Q4 Form 10-K Financial Statement

#000003321319000006 Filed on February 14, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$EQT
EQT Corp Stock $eqt