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Derivative Instruments and Hedging Activity (Tables)

9 Months Ended

Sep. 30, 2019

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 tables below present NEP's gross derivative positions, based on the total fair value of each derivative instrument, at September 30, 2019 and December 31, 2018, 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.

	September 30, 2019
	Gross Basis								Net Basis
	Assets				Liabilities				Assets				Liabilities
	(millions)
Interest rate contracts	$	13			$	698			$	—			$	685
Net fair value by balance sheet line item:
Other current assets									$	—
Other non-current assets									—
Other current liabilities													$	6
Derivatives													679
Total derivatives									$	—			$	685

	December 31, 2018
	Gross Basis								Net Basis
	Assets				Liabilities				Assets				Liabilities
	(millions)
Interest rate contracts	$	24			$	116			$	13			$	105
Net fair value by balance sheet line item:
Other current assets									$	7
Other non-current assets									6
Other current liabilities													$	1
Derivatives													104
Total derivatives									$	13			$	105

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 September 30,								Nine Months Ended September 30,
	2019				2018				2019				2018
	(millions)
Interest rate contracts:
Gains (losses) reclassified from AOCI to interest expense	$	—			$	—			$	5			$	(3	)
Gains (losses) recognized in interest expense	$	(311	)		$	74			$	(589	)		$	55

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- References

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- Definition

Tabular disclosure of the location and amount of derivative instruments and nonderivative instruments designated as hedging instruments reported before netting adjustments, and the amount of gain (loss) on derivative instruments and nonderivative instruments designated and qualified as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4E
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624181-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4C
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959

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- Definition

Tabular disclosure of the location and fair value amounts of derivative instruments (and nonderivative instruments that are designated and qualify as hedging instruments) reported in the statement of financial position.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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