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v3.20.1

Equity and Distributions, Issuances of Equity (Details) $ / shares in Units, $ in Millions |  | 3 Months Ended |
--- | --- | --- | ---
Mar. 05, 2020 USD ($) $ / shares | Mar. 31, 2020 USD ($) Contract $ / shares shares | Mar. 31, 2019 USD ($) shares | Dec. 31, 2019 USD ($)
Liquidity Option Agreement [Abstract] |  |  |  |
Liquidity Option liability | $ 511.9 |  |  |
Deferred tax liability |  | $ 431.2 |  | $ 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 |  | $ 140.1 | $ 51.6 |
Oiltanking Holding Americas, Inc. [Member] |  |  |  |
Liquidity Option Agreement [Abstract] |  |  |  |
Deferred tax liability | $ 439.7 | $ 324.7 |  |
Enterprise Products Partners L.P. [Member] |  |  |  |
Liquidity Option Agreement [Abstract] |  |  |  |
Closing price (in dollars per unit) | $ / shares | $ 23.67 | $ 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 |  | 2,912,214 |  |
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 | 1,852,392 |
Common units acquired in connection with buyback program |  | $ 140.1 | $ 51.6 |
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 |  |
Employee Unit Purchase Plan [Member] |  |  |  |
Net Cash Proceeds from Sale of Common Units [Abstract] |  |  |  |
Employer contribution to EUPP |  | $ 0.5 |  |
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 |  | 1,422,063 |  |

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