Related Party Transactions (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Revenues - related parties:
Total revenue - related parties	$ 16.0	$ 12.3
Costs and expenses - related parties:
Total costs and expenses - related parties	357.5	396.2
Accounts receivable - related parties:
Total accounts receivable - related parties	1.9		$ 2.5
Accounts payable - related parties:
Total accounts payable - related parties	69.4		162.3
Related Party Transactions [Abstract]
Operating costs and expenses	325.0	364.4
General and administrative expenses	32.5	31.8
EPCO and its privately held affiliates [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	286.0	272.9
Accounts payable - related parties:
Total accounts payable - related parties	59.8		143.7
Distributions:
Total cash distributions	$ 302.8	296.0
Relationship with Affiliates [Abstract]
Total Number of Units (in units)	701,956,852
Percentage of total common units outstanding	32.10%
Enterprise common units pledged as security (in units)	108,222,618
EPCO and its privately held affiliates [Member] | Administrative Services Agreement [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	$ 281.7	268.4
Related Party Transactions [Abstract]
Operating costs and expenses	251.2	239.1
General and administrative expenses	30.5	29.3
EPCO and its privately held affiliates [Member] | Related Party Operating Leases [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	3.4	3.8
Unconsolidated affiliates [Member]
Revenues - related parties:
Total revenue - related parties	16.0	12.3
Costs and expenses - related parties:
Total costs and expenses - related parties	71.5	$ 123.3
Accounts receivable - related parties:
Total accounts receivable - related parties	1.9		2.5
Accounts payable - related parties:
Total accounts payable - related parties	$ 9.6		$ 18.6