Capital Accounts, Issuances of Equity (Details) $ / shares in Units, $ in Millions		2 Months Ended	3 Months Ended				9 Months Ended
	Mar. 05, 2020 USD ($) $ / shares	Mar. 05, 2020 USD ($) $ / shares	Sep. 30, 2020 USD ($) shares	Jun. 30, 2020 shares	Mar. 31, 2020 shares	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Contract shares	Sep. 30, 2019 USD ($) shares	Dec. 31, 2019 USD ($)
Net Cash Proceeds from Sale of Common Units [Abstract]
Common units issued in connection with the vesting of phantom unit awards, net (in units) | shares			89,641	96,190	2,912,214
Liquidity Option Agreement [Abstract]
Liquidity Option liability	$ 511.9	$ 511.9
Deferred tax liability			$ 466.0				$ 466.0		$ 103.5
Common units issued to Skyline North Americas, Inc. in connection with settlement of Liquidity Option	1,300.0						1,297.3
Change in fair market value of Liquidity Option		(2.3)	$ 0.0			$ (38.7)	(2.3)	$ (123.1)
Treasury Units:
Total of common units repurchased under a buyback program (in units) | shares			1,984,507		6,357,739
Common units acquired in connection with buyback program			$ 33.7				$ 173.8	$ 81.1
OTA Holdings, Inc. [Member]
Liquidity Option Agreement [Abstract]
Deferred tax liability	$ 439.7	$ 439.7
Enterprise Products Partners L.P. [Member]
Liquidity Option Agreement [Abstract]
Closing price (in dollars per unit) | $ / shares	$ 23.67	$ 23.67
Long-Term Incentive Plan (2008) [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Common units issued in connection with the vesting of phantom unit awards, net (in units) | shares							3,098,045
2019 Buyback Program [Member]
Treasury Units:
Amount authorized under 2019 Buyback Program			2,000.0				$ 2,000.0
Remaining available capacity under the 2019 Buyback Program			1,750.0				$ 1,750.0
Total of common units repurchased under a buyback program (in units) | shares							8,342,246	2,909,128
Common units acquired in connection with buyback program							$ 173.8	$ 81.1
Universal Shelf Registration [Member] | Senior Notes [Member]
Registration Statements and Equity Offerings [Line Items]
Debt issued under universal shelf registration							4,250.0
At-the-Market Registration [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance			2,540.0				2,540.0
Remaining units available for issuance			2,540.0				2,540.0
Skyline Registration Rights Agreement [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance			$ 500.0				$ 500.0
Liquidity Option Agreement [Abstract]
Number of registration statements following exercise of Liquidity Option | Contract							5
Employee Unit Purchase Plan [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Employer contribution to EUPP							$ 1.8
Distribution Reinvestment and Employee Unit Purchase Plans [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Number of common units purchased on the open market and delivered to participants (in units) | shares							5,148,468