Name:	fang_DerivativeSubFloorPrice
Namespace Prefix:	fang_
Data Type:	srt-types:perUnitItemType
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Period Type:	instant

The cap rate on a price risk derivative such as a cap or collar. A payment or receipt is triggered if the market rate exceeds the cap rate on the contract.

No definition available.

Name:	us-gaap_DerivativeCapPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

Floor rate on a price risk derivative such as a floor or a collar. A payment or receipt is triggered if the market rate falls below the floor rate on the contract.

No definition available.

Name:	us-gaap_DerivativeFloorPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

Nominal energy measure used to calculate payments on a derivative instrument.

No definition available.

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountEnergyMeasure
Namespace Prefix:	us-gaap_
Data Type:	num:energyItemType
Balance Type:	na
Period Type:	duration

Nominal volume used to calculate payments on a derivative instrument.

No definition available.

Name:	us-gaap_DerivativeNonmonetaryNotionalAmountVolume
Namespace Prefix:	us-gaap_
Data Type:	num:volumeItemType
Balance Type:	na
Period Type:	duration

Fixed price related to the price risk swap derivative.

No definition available.

Name:	us-gaap_DerivativeSwapTypeFixedPrice
Namespace Prefix:	us-gaap_
Data Type:	srt-types:perUnitItemType
Balance Type:	na
Period Type:	instant

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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

Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_WTICushingOilSwaps2020Member
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_BRENTOilSwaps2020Member
Namespace Prefix:
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_NaturalGasSwapsWahaHub2020Member
Namespace Prefix:
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_NaturalGasBasisSwapsWahaHub2020Member
Namespace Prefix:
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_A2020ThreeWayCollarsBRENTMember
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Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_DieselPriceSwaps2020Member
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DerivativeInstrumentRiskAxis=fang_A2020WTIOilPutSpreadsMember
Namespace Prefix:
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