The expected business terms (in years), used as an input to measure fair value.

No definition available.

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- Definition

Increase in fair value of liquidity option agreement in valuation model if all units are retained.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Number of days commencing February 1, 2020 that M&B can exercise the liquidity option agreement.

+ References

No definition available.

+ Details

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- Definition

Number of Enterprise Common Units Held at Exercise Date by OTA.

+ References

No definition available.

+ Details

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- Definition

Percentage of OTA capital stock we agreed to purchase from M&B under liquidity option agreement.

+ References

No definition available.

+ Details

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- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109250915&loc=d3e13433-108611

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 20
-Section 55
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313

+ Details

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Balance Type:	credit
Period Type:	instant

- Definition

Value of input used to measure derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(2)
-URI http://asc.fasb.org/extlink&oid=99377789&loc=d3e19207-110258

+ Details

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Details

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- Details

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Commitments and Contingencies, Liquidity Option Agreement (Details) $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($) shares	Dec. 31, 2017 USD ($)
Liquidity Option Agreement [Abstract]
Percentage of capital stock we agreed to purchase under liquidity option agreement	100.00%
Liquidity Option exercise period	90 days
Number of units held by limited partner \| shares	54,807,352
Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Increase in fair value of liquidity option agreement assuming retention of all units	$ 27.2
Liquidity Option Agreement [Member] \| Minimum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Expected life of OTA following option exercise	1 year
Liquidity Option Agreement [Member] \| Maximum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Expected life of OTA following option exercise	30 years
Liquidity Option Agreement [Member] \| Measurement Input, EBITDA Multiple [Member] \| Minimum [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.021
Liquidity Option Agreement [Member] \| Measurement Input, EBITDA Multiple [Member] \| Maximum [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.072
Liquidity Option Agreement [Member] \| Measurement Input, Ownership Interest in Units [Member] \| Minimum [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.018
Liquidity Option Agreement [Member] \| Measurement Input, Ownership Interest in Units [Member] \| Maximum [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.025
Liquidity Option Agreement [Member] \| Measurement Input, Aggregate Tax Rate [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.24
Liquidity Option Agreement [Member] \| Measurement Input, Discount Rate [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.079
Liquidity Option Agreement [Member] \| Measurement Input, Unit Retention Percentage [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.930
Valuation, Income Approach [Member] \| Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability	$ 368.8	$ 333.9