STATEMENTS OF CONSOLIDATED OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Revenues:
Third parties	$ 42,509.8	$ 43,537.9	$ 33,040.9
Related parties	73.3	775.1	698.4
Total revenues (see Note 14)	42,583.1	44,313.0	33,739.3
Operating costs and expenses:
Third parties	38,602.2	39,553.5	30,084.1
Related parties	765.7	1,765.0	1,365.2
Total operating costs and expenses	39,367.9	41,318.5	31,449.3
General and administrative costs:
Third parties	78.9	72.8	82.9
Related parties	91.4	109.0	121.9
Total general and administrative costs	170.3	181.8	204.8
Total costs and expenses (see Note 14)	39,538.2	41,500.3	31,654.1
Equity in income of unconsolidated affiliates	64.3	46.4	62.0
Operating income	3,109.2	2,859.1	2,147.2
Other income (expense):
Interest expense	(771.8)	(744.1)	(741.9)
Interest income	0.8	1.1	1.8
Other, net	72.6	(0.6)	2.7
Total other expense, net	(698.4)	(743.6)	(737.4)
Income before income taxes	2,410.8	2,115.5	1,409.8
Benefit from (provision for) income taxes (see Note 16)	17.2	(27.2)	(26.1)
Net income	2,428.0	2,088.3	1,383.7
Net income attributable to noncontrolling interests (see Note 13)	(8.1)	(41.4)	(1,062.9)
Net income attributable to limited partners	$ 2,419.9	$ 2,046.9	$ 320.8
Earnings per unit: (see Note 17)
Basic earnings per unit (in dollars per unit)	$ 2.81	$ 2.48	$ 1.17
Diluted earnings per unit (in dollars per unit)	$ 2.71	$ 2.38	$ 1.15