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Related Party Transactions (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Revenues - related parties: |  |  |
Total revenue - related parties | $ 80.1 | $ 36.7 | $ 67.3
Costs and expenses - related parties: |  |  |
Operating costs and expenses | 1,286.8 | 1,210.6 | 1,412.0
General and administrative expenses | 133.4 | 136.2 | 136.4
Total costs and expenses - related parties | 1,420.2 | 1,346.8 | 1,548.4
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 20.6 | 5.6 |
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 166.6 | 149.5 |
EPCO and its privately held affiliates [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 1,155.2 | 1,143.7 | 1,145.3
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 1.2 | 1.9 |
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 150.7 | 139.6 |
Distributions: |  |  |
Total cash distributions | 1,220.0 | 1,210.0 | 1,190.0
EPCO and its privately held affiliates [Member] | Distribution Reinvestment Plan [Member] |  |  |
Relationship with Affiliates [Abstract] |  |  |
Gross proceeds from the sale of common units |  |  | 29.0
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member] |  |  |
Costs and expenses - related parties: |  |  |
Operating costs and expenses | 1,011.3 | 999.0 | 1,000.2
General and administrative expenses | 135.1 | 128.9 | 127.6
Total costs and expenses - related parties | 1,146.4 | 1,127.9 | 1,127.8
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | $ 13.5 | 13.0 | 14.9
EPCO and its privately held affiliates [Member] | Common Units [Member] |  |  |
Relationship with Affiliates [Abstract] |  |  |
Number of Units (in units) | 702,163,193 |  |
Percentage of total units outstanding | 32.30% |  |
Enterprise common units pledged as security (in units) | 92,976,464 |  |
Unconsolidated affiliates [Member] |  |  |
Revenues - related parties: |  |  |
Total revenue - related parties | $ 80.1 | 36.7 | 67.3
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 265.0 | 203.1 | 403.1
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 19.4 | 3.7 |
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 15.9 | 9.9 |
Unconsolidated affiliates [Member] | Seaway Crude Holdings LLC [Member] |  |  |
Revenues - related parties: |  |  |
Total revenue - related parties | 42.8 | 20.2 | 42.7
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 104.0 | 71.5 | 194.5
Unconsolidated affiliates [Member] | Venice Energy Service Company, L.L.C. [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 94.1 | 51.3 | 89.2
Unconsolidated affiliates [Member] | K/D/S Promix, L.L.C. [Member] |  |  |
Revenues - related parties: |  |  |
Total revenue - related parties | 11.5 | 6.0 | 9.1
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 27.4 | 23.5 | 34.8
Unconsolidated affiliates [Member] | Texas Express Pipeline LLC [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 28.1 | 29.1 | 33.5
Unconsolidated affiliates [Member] | Eagle Ford Pipeline LLC [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 4.2 | 20.9 | 36.0
Unconsolidated affiliates [Member] | Management/Operator Fees [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | $ (12.6) | $ (10.1) | $ (9.9)

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