STATEMENTS OF CONSOLIDATED OPERATIONS (USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Revenues:
Third parties	$ 47,879.7	$ 47,661.1	$ 42,509.8
Related parties	71.5	65.9	73.3
Total revenues (see Note 14)	47,951.2	47,727.0	42,583.1
Operating costs and expenses:
Third parties	43,228.4	43,300.8	38,602.2
Related parties	992.1	937.9	765.7
Total operating costs and expenses	44,220.5	44,238.7	39,367.9
General and administrative costs:
Third parties	83.7	74.0	78.9
Related parties	130.8	114.3	91.4
Total general and administrative costs	214.5	188.3	170.3
Total costs and expenses (see Note 14)	44,435.0	44,427.0	39,538.2
Equity in income of unconsolidated affiliates	259.5	167.3	64.3
Operating income	3,775.7	3,467.3	3,109.2
Other income (expense):
Interest expense	(921.0)	(802.5)	(771.8)
Interest income	1.3	0.9	0.8
Other, net	0.6	(1.1)	72.6
Total other expense, net	(919.1)	(802.7)	(698.4)
Income before income taxes	2,856.6	2,664.6	2,410.8
Benefit from (provision for) income taxes (see Note 16)	(23.1)	(57.5)	17.2
Net income	2,833.5	2,607.1	2,428.0
Net income attributable to noncontrolling interests (see Note 13)	(46.1)	(10.2)	(8.1)
Net income attributable to limited partners	$ 2,787.4	$ 2,596.9	$ 2,419.9
Earnings per unit: (see Note 17)
Basic earnings per unit (in dollars per unit)	$ 1.51	$ 1.45	$ 1.40
Diluted earnings per unit (in dollars per unit)	$ 1.47	$ 1.41	$ 1.35