Derivative Instruments and Hedging Activity (Tables)

9 Months Ended

Sep. 30, 2015

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of the fair values of derivative instruments designated as cash flow hedging instruments included in balance sheets

The fair values of NEP's derivative instruments designated as cash flow hedging instruments are included on NEP's condensed consolidated balance sheets as follows:



	September 30, 2015				December 31, 2014
	Assets		Liabilities		Assets		Liabilities
	(millions)
Interest rate swaps:
Other non-current assets	$	—	$	1	$	5	$	—
Other current liabilities	$	—	$	6	$	3	$	3
Other non-current liabilities	$	—	$	11	$	—	$	8

Schedule of gains (losses) related to cash flow hedges

Gains (losses) related to NEP's cash flow hedges are recorded in NEP's condensed consolidated financial statements as follows:



	Three Months Ended September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(millions)
Interest rate swaps:
Losses recognized in other comprehensive income	$	(12	)	$	(3	)	$	(10	)	$	(16	)
Losses reclassified from AOCI to net income^(a)	$	1		$	1		$	5		$	3

____________________

(a) Included in interest expense.