CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015		Jun. 30, 2014
Commodity sales		$ 731.1	$ 1,342.4	$ 1,553.8	[1]	$ 2,941.9
Transportation and other services		582.0	528.7	1,187.9	[1]	1,008.8
Total operating revenues		1,313.1	1,871.1	2,741.7	[1]	3,950.7
Operating expenses:
Commodity costs		670.6	1,259.8	$ 1,449.7		2,748.5
Environmental costs, net of recoveries (Note 11)			38.2			43.2
Environmental costs, net of recoveries (Note 11)		(0.8)
Operating and administrative		207.2	224.6	$ 424.3		441.6
Power (Note 12)		57.2	54.2	120.8		104.6
Depreciation and amortization (Note 6)		129.5	$ 113.4	257.9		$ 217.2
Goodwill impairment (Note 7)		246.7		246.7
Asset impairment (Note 6)		12.3		12.3
Costs and Expenses, Total		1,322.7	$ 1,690.2	2,511.7		$ 3,555.1
Operating income (loss)		(9.6)	180.9	230.0		395.6
Interest expense, net (Notes 8 and 12)		78.0	80.2	126.3		157.1
Allowance for equity used during construction (Note 16)		17.3	12.6	40.3		33.3
Other income (Note 10)		6.0	1.2	11.9		0.4
Income (loss) before income tax expense (benefit)		(64.3)	114.5	155.9		272.2
Income tax expense (benefit) (Note 13)		(3.8)	2.0	(1.4)		4.0
Net income (loss)		(60.5)	112.5	157.3		268.2
Less: Net income attributable to:
Noncontrolling interest (Note 10)		10.0	42.4	61.3		78.7
Series 1 preferred unit distributions		22.5	22.5	45.0		45.0
Accretion of discount on Series 1 preferred units		4.1	3.7	8.0		7.3
Net income (loss) attributable to general and limited partner ownership interests in Enbridge Energy Partners, L.P.		(97.1)	43.9	43.0		137.2
Net income (loss) allocable to common units and i-units		$ (149.4)	$ 5.0	$ (63.5)		$ 63.9
Net income (loss) per common unit and i-unit (basic) (Note 2) (in dollars per share)	[2]	$ (0.44)	$ 0.02	$ (0.18)		$ 0.19
Weighted average common units and i-units outstanding (basic) (in shares)		339.9	327.6	336.3		327.0
Net income (loss) per common unit and i-unit (diluted) (Note 2) (in dollars per share)	[2]	$ (0.44)	$ 0.02	$ (0.18)		$ 0.19
Weighted average common units and i-units outstanding (diluted) (in shares)		339.9	327.6	336.3		327.0
Third Party [Member]
Commodity sales		$ 702.7	$ 1,275.5	$ 1,503.6		$ 2,817.8
Transportation and other services		548.5	509.6	1,123.2		971.8
Operating expenses:
Commodity costs		647.5	1,221.4	1,408.7		2,679.9
Operating and administrative		91.5	107.3	189.7		203.9
Affiliate [Member]
Commodity sales		28.4	66.9	50.2		124.1
Transportation and other services		33.5	19.1	64.7		37.0
Operating expenses:
Commodity costs		23.1	38.4	41.0		68.6
Operating and administrative		$ 115.7	$ 117.3	$ 234.6		$ 237.7

[1] There were no intersegment revenues for the six months ended June 30, 2015.

[2] For the three and six months ended June 30, 2015, 43,201,310 anti-dilutive Preferred units, 66,100,000 anti-dilutive Class D units and 18,114,975 anti-dilutive Class E units were excluded from the if-converted method of calculating diluted earnings per unit. For the three and six months ended June 30, 2014, 43,201,310 anti-dilutive Preferred units were excluded from the if-converted method of calculating diluted earnings per unit.