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Guarantees (Tables)

12 Months Ended

Dec. 31, 2019

Guarantees [Abstract]

Summary of NRG's estimated guarantees, indemnity, and other contingent liability

The following table summarizes the maximum potential exposures that can be estimated for NRG's guarantees, indemnities, and other contingent liabilities by maturity:

			By Remaining Maturity at December 31,
(In millions)			2019
Guarantees			Under 1 Year						1-3 Years						3-5 Years						Over 5 Years						Total						2018 Total
Letters of credit and surety bonds(a)			$	878					$	115					$	31					$	—					$	1,024					$	1,253
Asset sales guarantee obligations			4						490						—						204						698						793
Other guarantees			77						5						—						206						288						721
Total guarantees			$	959					$	610					$	31					$	410					$	2,010					$	2,767

(a)December 31, 2019 includes $14 million of letter of credit and surety bonds for the benefit of GenOn where NRG holds cash or letter of credit to back stop the liability

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- References

No definition available.

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- Definition

Tabular disclosure of each guarantee obligation, or each group of similar guarantee obligations, including (a) the nature of the guarantee, including its term, how it arose, and the events or circumstances that would require the guarantor to perform under the guarantee; (b) the maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee; (c) the current carrying amount of the liability, if any, for the guarantor's obligations under the guarantee; and (d) the nature of any recourse provisions under the guarantee, and any assets held either as collateral or by third parties, and any relevant related party disclosure. Excludes disclosures about product warranties.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12069-110248

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=118943654&loc=d3e12265-110248

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