Equity-Based Awards, Phantom Unit Awards (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]
Cash payments made in connection with DERs		$ 5.8	$ 4.5
Phantom Unit Awards [Member]
Summary of awards activity, equity instruments other than options [Roll Forward]
Beginning of period (in units)		12,974,684
Granted (in units)	[1]	7,397,845
Vested (in units)		(4,204,938)
Forfeited (in units)		(22,624)
End of period (in units)		16,144,967
Phantom units outstanding, weighted-average grant date fair value [Roll Forward]
Weighted-average grant date fair value per unit, at beginning of period (in dollars per unit)	[2]	$ 27.21
Granted weighted-average grant date fair value per unit (in dollars per unit)	[1],[2]	25.72
Vested weighted-average grant date fair value per unit (in dollars per unit)	[2]	26.32
Forfeited weighted-average grant date fair value per unit (in dollars per unit)	[2]	26.92
Weighted-average grant date fair value per unit, at end of period (in dollars per unit)	[2]	$ 26.76
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]
Aggregate grant date fair value		$ 190.3
Estimated forfeiture rate		2.40%
Cash payments made in connection with DERs		$ 5.8	4.5
Total intrinsic value of phantom unit awards that vested during period		109.2	$ 97.0
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation cost		$ 278.7
Recognition period for total unrecognized compensation cost		2 years 3 months 18 days
Phantom Unit Awards [Member] | Minimum [Member]
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]
Grant date market price of common units (in dollars per unit)		$ 24.98
Phantom Unit Awards [Member] | Maximum [Member]
Summary of awards activity, equity instruments other than options, additional disclosures [Abstract]
Grant date market price of common units (in dollars per unit)		$ 25.76
Phantom Unit Awards [Member] | Enterprise [Member]
Unrecognized Compensation Expense [Abstract]
Unrecognized compensation cost		$ 239.8

[1] The aggregate grant date fair value of phantom unit awards issued during 2020 was $190.3 million based on a grant date market price of EPD common units ranging from $24.98 to $25.76 per unit.  An estimated annual forfeiture rate of 2.4% was applied to these awards.

[2] Determined by dividing the aggregate grant date fair value of awards (before an allowance for forfeitures) by the number of awards issued.