CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015		Sep. 30, 2014
Commodity sales		$ 609.9	$ 1,347.0	$ 2,163.7	[1]	$ 4,288.9
Transportation and other services		657.8	595.3	1,845.7	[1]	1,604.1
Total operating revenues		1,267.7	1,942.3	4,009.4		5,893.0
Operating expenses:
Commodity costs		522.7	1,238.2	1,972.4		3,986.7
Environmental costs, net of recoveries (Note 11)		1.1	50.1	1.1		93.3
Operating and administrative		280.6	235.3	704.9		676.9
Power (Note 12)		71.6	59.5	192.4		164.1
Depreciation and amortization (Note 6)		$ 136.9	$ 118.8	394.8		$ 336.0
Goodwill impairment (Note 7)				246.7
Asset impairment (Note 6)				12.3
Costs and Expenses, Total		$ 1,012.9	$ 1,701.9	3,524.6		$ 5,257.0
Operating income		254.8	240.4	484.8		636.0
Interest expense, net (Notes 8 and 12)		(88.2)	(137.1)	(214.5)		(294.2)
Allowance for equity used during construction (Note 16)		13.7	14.5	54.0		47.8
Other income (Note 10)		8.8	1.8	20.7		2.2
Income before income tax expense		189.1	119.6	345.0		391.8
Income tax expense (Note 13)		(4.6)	(2.1)	(3.2)		(6.1)
Net income		184.5	117.5	341.8		385.7
Less: Net income attributable to:
Noncontrolling interest (Note 10)		77.8	70.7	139.1		149.4
Series 1 preferred unit distributions		22.5	22.5	67.5		67.5
Accretion of discount on Series 1 preferred units		2.1	3.8	10.1		11.1
Net income attributable to general and limited partner ownership interests in Enbridge Energy Partners, L.P.		82.1	20.5	125.1		157.7
Net income (loss) allocable to common units and i-units		$ 26.1	$ (14.5)	$ (37.4)		$ 49.5
Net income (loss) per common unit and i-unit (basic) (Note 2) (in dollars per share)	[2]	$ 0.07	$ (0.04)	$ (0.11)		$ 0.15
Weighted average common units and i-units outstanding (basic) (in shares)		341.1	328.8	337.9		327.6
Net income (loss) per common unit and i-unit (diluted) (Note 2) (in dollars per share)	[2]	$ 0.07	$ (0.04)	$ (0.11)		$ 0.15
Weighted average common units and i-units outstanding (diluted) (in shares)		341.1	328.8	337.9		327.6
Third Party [Member]
Commodity sales		$ 597.7	$ 1,296.4	$ 2,101.3		$ 4,114.2
Transportation and other services		621.4	577.6	1,744.6		1,549.4
Operating expenses:
Commodity costs		503.3	1,208.5	1,912.0		3,888.4
Operating and administrative		163.3	119.4	353.0		323.3
Affiliate [Member]
Commodity sales		12.2	50.6	62.4		174.7
Transportation and other services		36.4	17.7	101.1		54.7
Operating expenses:
Commodity costs		19.4	29.7	60.4		98.3
Operating and administrative		$ 117.3	$ 115.9	$ 351.9		$ 353.6

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

[2] For the three and nine months ended September 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 months ended September 30, 2014, 43,201,310 anti-dilutive Preferred units and 66,100,000 anti-dilutive Class D units were excluded from the if-converted method of calculating diluted earnings per unit. For the nine months ended September 30, 2014, 43,201,310 anti-dilutive Preferred units and 22,275,458 anti-dilutive Class D units were excluded from the if-converted method of calculating diluted earnings per unit.