Equity and Distributions, Issuances of Equity (Details) $ / shares in Units, $ in Millions		1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 05, 2020 USD ($) $ / shares	Aug. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Contract $ / shares shares	Jun. 30, 2019 USD ($) shares	Mar. 31, 2020 $ / shares	Dec. 31, 2019 USD ($)
Liquidity Option Agreement [Abstract]
Liquidity Option liability	$ 511.9
Deferred tax liability				$ 484.2			$ 103.5
Common units issued in connection with settlement of Liquidity Option	1,300.0			$ 1,297.3
Number of registration statements following exercise of Liquidity Option | Contract				5
Treasury Units:
Common units acquired in connection with buyback program			$ 29.5	$ 140.1	$ 81.1
Oiltanking Holding Americas, Inc. [Member]
Liquidity Option Agreement [Abstract]
Deferred tax liability	$ 439.7			$ 375.2
Enterprise Products Partners L.P. [Member]
Liquidity Option Agreement [Abstract]
Closing price (in dollars per unit) | $ / shares	$ 23.67			$ 18.17		$ 14.30
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				3,008,404
Senior Notes [Member] | Subsequent Event [Member]
Registration Statements and Equity Offerings [Line Items]
Debt issued under universal shelf registration		$ 1,250.0
2019 Buyback Program [Member]
Treasury Units:
Amount authorized under 2019 Buyback Program				$ 2,000.0
Remaining available capacity under the 2019 Buyback Program				$ 1,780.0
Total of common units repurchased under a buyback program (in units) | shares				6,357,739	2,909,128
Common units acquired in connection with buyback program				$ 140.1	$ 81.1
Universal Shelf Registration [Member] | Senior Notes [Member]
Registration Statements and Equity Offerings [Line Items]
Debt issued under universal shelf registration				3,000.0
At-the-Market Registration [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance				2,540.0
Remaining units available for issuance				2,540.0
Skyline Registration Rights Agreement [Member]
Registration Statements and Equity Offerings [Line Items]
Maximum common units authorized for issuance				500.0
Employee Unit Purchase Plan [Member]
Net Cash Proceeds from Sale of Common Units [Abstract]
Employer contribution to EUPP				$ 1.3
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				3,379,971