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Represents the amount of natural gas liquids and crude oil supplies in connection with an unconditional fixed price sale that has not been recognized for financial reporting purposes.

No definition available.

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Represents the amount of natural gas liquids and crude oil supplies in connection with an unconditional index price sale that has not been recognized for financial reporting purposes.

No definition available.

Name:	ngl_UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContracts
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Data Type:	xbrli:monetaryItemType
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Represents the volume of natural gas liquids and crude oil supplies dedicated or contracted to the enterprise that can be used to fulfill existing contracts or agreements at an index price.

No definition available.

Name:	ngl_UnrecordedUnconditionalObligationOutstandingIndexPriceSalesContractsVolume
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Represents the amount of natural gas liquids and crude oil supplies in connection with an unconditional fixed-price purchase obligation that has not been recognized for financial reporting purposes.

No definition available.

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Represents the volume of natural gas liquids and crude oil supplies in connection with an unconditional fixed-price purchase obligation that has not been recognized for financial reporting purposes.

No definition available.

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Represents the amount of natural gas liquids and crude oil supplies in connection with an unconditional index-price purchase obligation that has not been recognized for financial reporting purposes.

No definition available.

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Represents the volume of natural gas liquids and crude oil supplies in connection with an unconditional index-price purchase obligation that has not been recognized for financial reporting purposes.

No definition available.

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Fair value of the assets less the liabilities of a derivative or group of derivatives.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 6

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 15

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

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