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Related Party Transactions (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Mar. 31, 2017 | Dec. 31, 2017
Revenues - related parties: |  |  |
Total revenue - related parties | $ 24.7 | $ 10.8 |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 350.1 | 281.3 |
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 3.6 |  | $ 1.8
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 83.0 |  | 127.3
Related Party Transactions [Abstract] |  |  |
Operating costs and expenses | 318.4 | 251.6 |
General and administrative expenses | 31.7 | 29.7 |
EPCO and its privately held affiliates [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 256.7 | 243.1 |
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | 43.5 |  | 99.3
Distributions: |  |  |
Total cash distributions | $ 286.9 | 275.2 |
Relationship with Affiliates [Abstract] |  |  |
Total Number of Units (in units) | 693,530,754 |  |
Percentage of Total Units Outstanding | 32.00% |  |
Enterprise common units pledged as security (in units) | 81,346,154 |  |
EPCO and its privately held affiliates [Member] | Distribution Reinvestment Plan [Member] |  |  |
Relationship with Affiliates [Abstract] |  |  |
Gross proceeds from the sale of common units | $ 100.0 |  |
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member] |  |  |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 252.2 | 238.4 |
Related Party Transactions [Abstract] |  |  |
Operating costs and expenses | 223.0 | 211.6 |
General and administrative expenses | 29.2 | 26.8 |
Unconsolidated affiliates [Member] |  |  |
Revenues - related parties: |  |  |
Total revenue - related parties | 24.7 | 10.8 |
Costs and expenses - related parties: |  |  |
Total costs and expenses - related parties | 93.4 | $ 38.2 |
Accounts receivable - related parties: |  |  |
Total accounts receivable - related parties | 3.6 |  | 1.8
Accounts payable - related parties: |  |  |
Total accounts payable - related parties | $ 39.5 |  | $ 28.0

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