UNAUDITED CONDENSED STATEMENTS OF CONSOLIDATED OPERATIONS - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Third parties	$ 8,411.9	$ 6,597.7	$ 17,685.7	$ 13,907.3
Related parties	55.6	9.9	80.3	20.7
Total revenues	8,467.5	6,607.6	17,766.0	13,928.0
Operating costs and expenses:
Third parties	7,174.3	5,457.6	15,078.6	11,539.2
Related parties	377.7	272.6	696.1	524.2
Total operating costs and expenses	7,552.0	5,730.2	15,774.7	12,063.4
General and administrative costs:
Third parties	20.9	16.0	42.2	36.7
Related parties	30.5	29.7	62.2	59.4
Total general and administrative costs	51.4	45.7	104.4	96.1
Total costs and expenses	7,603.4	5,775.9	15,879.1	12,159.5
Equity in income of unconsolidated affiliates	122.3	107.0	238.0	201.8
Operating income	986.4	938.7	2,124.9	1,970.3
Other income (expense):
Interest expense	(274.6)	(245.8)	(526.7)	(495.1)
Change in fair market value of Liquidity Option Agreement	(8.9)	(18.6)	(16.4)	(24.1)
Gain on step acquisition of unconsolidated affiliate	2.4	0.0	39.4	0.0
Other, net	0.3	0.4	1.0	0.6
Total other expense, net	(280.8)	(264.0)	(502.7)	(518.6)
Income before income taxes	705.6	674.7	1,622.2	1,451.7
Provision for income taxes	(18.4)	(8.7)	(23.5)	(14.7)
Net income	687.2	666.0	1,598.7	1,437.0
Net income attributable to noncontrolling interests	(13.4)	(12.3)	(24.2)	(22.6)
Net income attributable to limited partners	$ 673.8	$ 653.7	$ 1,574.5	$ 1,414.4
Earnings per unit:
Basic earnings per unit (in dollars per unit)	$ 0.31	$ 0.30	$ 0.72	$ 0.66
Diluted earnings per unit (in dollars per unit)	$ 0.31	$ 0.30	$ 0.72	$ 0.66