QUARTERLY FINANCIAL DATA (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2016

Quarterly Financial Data [Abstract]

Schedule of Quarterly Financial Data

	First		Second		Third		Fourth		Total
	(in millions, except per unit amounts)
2016 Quarters
Operating revenue	$	1,061.6	$	1,048.9	$	1,120.6	$	1,250.8	$	4,481.9
Operating expense(1)	$	793.6	$	787.2	$	1,599.5	$	973.5	$	4,153.8
Operating income (loss)	$	268.0	$	261.7	$	(478.9)	$	277.3	$	328.1
Net income (loss)	$	172.4	$	177.7	$	(574.6)	$	183.2	$	(41.3)
Net income (loss) attributable to noncontrolling interest	$	68.8	$	70.3	$	(191.9)	$	79.2	$	26.4
Net income (loss) attributable to general and limited partner ownership interests in Enbridge Energy Partners, L.P.	$	80.0	$	83.7	$	(406.4)	$	80.3	$	(162.4)
Net income (loss) per common unit and i-unit (basic and diluted)	$	0.07	$	0.08	$	(1.31)	$	0.08	$	(1.08)
2015 Quarters
Operating revenue	$	1,428.6	$	1,313.1	$	1,267.7	$	1,136.7	$	5,146.1
Operating expense(2)	$	1,189.0	$	1,322.7	$	1,012.9	$	939.9	$	4,464.5
Operating income (loss)	$	239.6	$	(9.6)	$	254.8	$	196.8	$	681.6
Net income (loss)	$	217.8	$	(60.5)	$	184.5	$	112.5	$	454.3
Net income attributable to noncontrolling interest	$	51.3	$	10.0	$	77.8	$	82.0	$	221.1
Net income (loss) attributable to general and limited partner ownership interests in Enbridge Energy Partners, L.P.	$	140.1	$	(97.1)	$	82.1	$	6.9	$	132.0
Net income (loss) per common unit and i-unit (basic and diluted)	$	0.26	$	(0.44)	$	0.07	$	(0.14)	$	(0.25)

 

(1)	Third quarter 2016 operating expenses were impacted by an asset impairment of $756.7 million. For more information, refer to Note 11. Property, Plant and Equipment.
(2)	Second quarter 2015 operating expenses were impacted by a goodwill impairment of $246.7 million. For more information, refer to Note 15. Goodwill Impairment.