Related Party Transactions (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2012		Mar. 31, 2011	Dec. 31, 2011
Revenues - related parties:
Total revenue - related parties	$ 30.8		$ 250.1
Costs and expenses - related parties:
Total costs and expenses - related parties	171.1		450.6
Accounts receivable - related parties:
Total accounts receivable - related parties	13.4			43.5
Accounts payable - related parties:
Total accounts payable - related parties	79.3			211.6
Relationship with Affiliates [Abstract]
Dan Duncan LLC's ownership interest of general partner of Enterprise (in hundredths)	100.00%
Administrative Services Agreement [Abstract]
Operating costs and expenses	148.4		425.6
General and administrative expenses	22.7		25.0
EPCO and affiliates [Member]
Costs and expenses - related parties:
Total costs and expenses - related parties	166.0		173.0
Accounts payable - related parties:
Total accounts payable - related parties	53.2			108.3
Relationship with Affiliates [Abstract]
Number of Units (in units)	338,930,881	[1]
Percentage of Outstanding Units (in hundredths)	38.20%
Distributions:
Total distributions	183.7		172.1
Administrative Services Agreement [Abstract]
Operating costs and expenses	142.7		147.4
General and administrative expenses	23.3		25.6
EPCO and affiliates [Member] | Class B units [Member]
Relationship with Affiliates [Abstract]
Number of Units (in units)	4,520,431
Energy Transfer Equity and subsidiaries [Member]
Revenues - related parties:
Total revenue - related parties	0		210.2
Costs and expenses - related parties:
Total costs and expenses - related parties	0		267.4
Accounts receivable - related parties:
Total accounts receivable - related parties	0			28.4
Accounts payable - related parties:
Total accounts payable - related parties	0			92.6
Other unconsolidated affiliates [Member]
Revenues - related parties:
Total revenue - related parties	30.8		39.9
Costs and expenses - related parties:
Total costs and expenses - related parties	5.1		10.2
Accounts receivable - related parties:
Total accounts receivable - related parties	13.4			15.1
Accounts payable - related parties:
Total accounts payable - related parties	$ 26.1			$ 10.7

[1] Includes 4,520,431 Class B units