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Segment Reporting (Tables)

9 Months Ended

Sep. 30, 2020

Segment Reporting [Abstract]

Schedule of segment reporting information, by segment

						Three months ended September 30, 2020
(In millions)						Texas						East						West/Other						Corporate						Eliminations						Total
Operating revenues						$	1,992					$	693					$	122					$	—					$	2					$	2,809
Depreciation and amortization						49						34						9						7						—						99
Impairment losses						—						—						29						—						—						29
Equity in earnings of unconsolidated affiliates						—						—						36						—						—						36
Income/(loss) from continuing operations before income taxes						288						149						17						(113)						—						341
Income/(loss) from continuing operations						288						149						17						(205)						—						249
Net income/(loss) attributable to NRG Energy, Inc						$	288					$	149					$	17					$	(205)					$	—					$	249

						Three months ended September 30, 2019
(In millions)						Texas						East						West/Other						Corporate						Eliminations						Total
Operating revenues						$	2,208					$	679					$	111					$	—					$	(2)					$	2,996
Depreciation and amortization						45						31						8						7						—						91
Equity in earnings of unconsolidated affiliates						1						—						28						—						—						29
Income/(loss) from continuing operations before income taxes						348						121						16						(106)						1						380
Income/(loss) from continuing operations						348						121						15						(111)						1						374
Loss from discontinued operations, net of tax						—						—						—						(2)						—						(2)
Net income/(loss)						348						121						15						(113)						1						372
Net income/(loss) attributable to NRG Energy, Inc.						$	348					$	121					$	15					$	(113)					$	1					$	372

						Nine months ended September 30, 2020
(In millions)						Texas						East						West/Other						Corporate						Eliminations						Total
Operating revenues						$	4,928					$	1,798					$	341					$	—					$	(1)					$	7,066
Depreciation and amortization						167						100						25						26						—						318
Impairment losses						—						—						29						—						—						29
Gain on sale of assets						—						—						1						5						—						6
Equity in (losses)/earnings of unconsolidated affiliates						(3)						—						40						—						—						37
Income/(loss) from continuing operations before income taxes						800						319						84						(304)						—						899
Income/(loss) from continuing operations						800						319						83						(519)						—						683
Net income/(loss) attributable to NRG Energy, Inc						$	800					$	319					$	83					$	(519)					$	—					$	683

						Nine months ended September 30, 2019
(In millions)						Texas						East						West/Other						Corporate						Eliminations						Total
Operating revenues						$	5,511					$	1,812					$	310					$	—					$	(7)					$	7,626
Depreciation and amortization						125						87						26						23						—						261
Reorganization costs						5						—						—						11						—						16
Gain on sale of assets						—						1						—						1						—						2
Equity in (losses)/earnings of unconsolidated affiliates						(5)						—						13						—						—						8
Loss on debt extinguishment, net						—						—						—						(47)						—						(47)
Income/(loss) from continuing operations before income taxes						757						280						11						(382)						—						666
Income/(loss) from continuing operations						757						280						10						(390)						—						657
Income from discontinued operations, net of tax						—						—						—						399						—						399
Net income						757						280						10						9						—						1,056
Net income attributable to NRG Energy, Inc.						$	757					$	280					$	9					$	9					$	—					$	1,055

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8813-108599

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599

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- References

No definition available.

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