Derivative Instruments and Hedging Activity (Tables)

3 Months Ended

Mar. 31, 2020

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of the fair values included in balance sheets

The tables below present NEP's gross derivative positions, based on the total fair value of each derivative instrument, at March 31, 2020 and December 31, 2019, as required by disclosure rules, as well as the location of the net derivative positions, based on the expected timing of future payments, on the condensed consolidated balance sheets.

	March 31, 2020
	Gross Basis				Net Basis
	Assets		Liabilities		Assets		Liabilities
	(millions)
Interest rate contracts	$	54	$	1,268	$	—	$	1,214
Net fair value by balance sheet line item:
Other current assets					$	—
Other non-current assets					—
Other current liabilities							$	15
Derivatives							1,199
Total derivatives					$	—	$	1,214

	December 31, 2019
	Gross Basis				Net Basis
	Assets		Liabilities		Assets		Liabilities
	(millions)
Interest rate contracts	$	9	$	427	$	—	$	418
Net fair value by balance sheet line item:
Other current assets					$	—
Other non-current assets					—
Other current liabilities							$	1
Derivatives							417
Total derivatives					$	—	$	418

Schedule of gains (losses) related to interest rate contracts

Gains (losses) related to NEP's interest rate contracts are recorded in the condensed consolidated financial statements as follows:

	Three Months Ended March 31,
	2020		2019
	(millions)
Interest rate contracts:
Gains reclassified from AOCI to interest expense	$	—	$	6
Losses recognized in interest expense	$	(795)	$	(118)