Expense (benefit) associated with the change in fair value of the Liquidity Option Agreement.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

The expected ownership interests in company (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

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- Definition

The expected partnership growth rate (in hundredths), used as an input to measure fair value.

+ References

No definition available.

+ Details

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- References

No definition available.

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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
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
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- 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
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-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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Commitments and Contingent Liabilities, Liquidity Option Agreement (Details) $ in Millions	2 Months Ended	12 Months Ended
	Mar. 05, 2020 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Liquidity Option Agreement [Abstract]
Change in fair value of Liquidity Option Agreement	$ 2.3	$ 2.3	$ 119.6	$ 56.1
Level 3 [Member] \| Liquidity Option Agreement [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability	$ 511.9		$ 509.6
Level 3 [Member] \| Liquidity Option Agreement [Member] \| Minimum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Estimated growth rates in Enterprise earnings before interest, taxes, depreciation and amortization	0.70%		0.70%
Fair value inputs, OTA ownership interest in Enterprise common units	2.30%		2.30%
Level 3 [Member] \| Liquidity Option Agreement [Member] \| Maximum [Member]
Liquidity Option Agreement [Abstract]
Fair value inputs, Expected life of OTA following option exercise	30 years		30 years
Fair value inputs, Estimated growth rates in Enterprise earnings before interest, taxes, depreciation and amortization	2.20%		2.20%
Fair value inputs, OTA ownership interest in Enterprise common units	2.50%		2.50%
Level 3 [Member] \| Liquidity Option Agreement [Member] \| Measurement Input, Aggregate Tax Rate [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.228		0.228
Level 3 [Member] \| Liquidity Option Agreement [Member] \| Measurement input, discount rate [Member]
Liquidity Option Agreement [Abstract]
Derivative Liability, Measurement Input	0.057		0.057