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Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of the Components of Intangible Assets Subject to Amortization

The following tables summarize the components of NRG's intangible assets subject to amortization:

(In millions)
Year Ended December 31, 2019			Emission Allowances						Fuel Contracts												Customer Relationships						Marketing Partnerships						Trade Names						Other						Total
January 1, 2019			$	659					$	49											$	478					$	131					$	345					$	80					$	1,742
Purchases			13						—												—						—						—						29						42
Acquisition of businesses (a)			—						—												110						154						28						26						318
Usage			(4)						—												—						—						—						(17)						(21)
Write-off of fully amortized balances			(8)						—												(13)						—						—						(9)						(30)
Impairment			—						—												(2)						—						—						—						(2)
Other			2						—												—						—						—						—						2
December 31, 2019			662						49												573						285						373						109						2,051
Less accumulated amortization			(539)						(45)												(345)						(75)						(220)						(38)						(1,262)
Net carrying amount			$	123					$	4											$	228					$	210					$	153					$	71					$	789

(a)The weighted average life of acquired intangibles was: customer relationships 7 years, marketing partnerships 9 years, trade names 12 years, and energy supply contracts 2 years

(In millions)
Year Ended December 31, 2018			Emission Allowances						Fuel Contracts												Customer Relationships						Marketing Partnerships						Trade Names						Other						Total
January 1, 2018			$	755					$	49											$	768					$	88					$	342					$	78					$	2,080
Purchases			33						—												—						—						—						28						61
Acquisition of businesses (a)			—						—												122						43						13						—						178
Usage			(1)						—												—						—						—						(26)						(27)
Write-off of fully amortized balances			(107)						—												(411)						—						(10)						—						(528)
Impairment			(5)						—												(1)						—						—						—						(6)
Other			(16)						—												—						—						—						—						(16)
December 31, 2018			659						49												478						131						345						80						1,742
Less accumulated amortization			(515)						(45)												(314)						(61)						(195)						(21)						(1,151)
Net carrying amount			$	144					$	4											$	164					$	70					$	150					$	59					$	591

(a)The weighted average life of acquired intangibles was: customer relationships 6 years, trade names 7 years, and marketing partnerships 14 years

Schedule of Amortization of Intangible Expense

The following table presents NRG's amortization of intangible assets for each of the past three years:

			Years Ended December 31,
(In millions)			2019						2018						2017
Emission allowances			$	32					$	39					$	71
Customer relationships			44						32						34
Marketing partnerships			15						9						5
Trade names			25						23						23
Other			35						30						33
Total amortization			$	151					$	133					$	166

Schedule of Estimated Amortization of Intangible Assets for Next Five Years

The following table presents estimated amortization of NRG's intangible assets as of December 31, 2019 for each of the next five years:

(In millions)
Year Ended December 31,			Emission Allowances												Fuel Contracts						Customer Relationships						Marketing Partnerships						Trade Names						Other						Total
2020			$	36											$	1					$	68					$	24					$	27					$	33					$	189
2021			35												—						52						24						27						3						141
2022			38												—						36						23						27						3						127
2023			40												1						35						23						26						3						128
2024			35												—						15						23						17						3						93

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Tabular disclosure of amortization expense of assets, excluding financial assets, that lack physical substance, having a limited useful life.

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Tabular disclosure of assets, excluding financial assets and goodwill, lacking physical substance with a finite life, by either major class or business segment.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
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