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Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2022

Segment Reporting [Abstract]

Schedule of Segment Reporting Information, by Segment

			Three months ended June 30, 2022
(In millions)			Conventional Generation						Renewables						Thermal (a)						Corporate (b)						Total
Operating revenues			$	103					$	247					$	18					$	—					$	368
Cost of operations, exclusive of depreciation, amortization and accretion shown separately below			28						73						11						—						112
Depreciation, amortization and accretion			33						93						—						—						126
General and administrative			—						—						1						10						11
Transaction and integration costs			—						—						—						3						3
Development costs			—						—						1						—						1
Total operating costs and expenses			61						166						13						13						253
Gain on sale of business			—						—						—						1,291						1,291
Operating income			42						81						5						1,278						1,406
Equity in earnings of unconsolidated affiliates			1						9						—						—						10
Other income, net			—						4						—						1						5
Interest expense			(10)						(11)						(1)						(25)						(47)
Income before income taxes			33						83						4						1,254						1,374
Income tax expense			—						—						—						225						225
Net Income			$	33					$	83					$	4					$	1,029					$	1,149
Total Assets (a)			2,363						9,446						—						839						12,648

(a) The Thermal Business was sold on May 1, 2022.

(b) Includes eliminations.

			Three months ended June 30, 2021
(In millions)			Conventional Generation						Renewables						Thermal						Corporate						Total
Operating revenues			$	109					$	222					$	49					$	—					$	380
Cost of operations, exclusive of depreciation, amortization and accretion shown separately below			23						54						31						(1)						107
Depreciation, amortization and accretion			31						89						8						—						128
General and administrative			—						1						—						9						10
Transaction and integration costs			—						—						—						1						1
Development costs			—						—						1						—						1
Operating income (loss)			55						78						9						(9)						133
Equity in earnings of unconsolidated affiliates			2						6						—						—						8
Other (expense) income, net			(1)						1						1						—						1
Interest expense			(16)						(58)						(4)						(25)						(103)
Income (loss) before income taxes			40						27						6						(34)						39
Income tax expense			—						—						—						7						7
Net Income (Loss)			$	40					$	27					$	6					$	(41)					$	32

			Six months ended June 30, 2022
(In millions)			Conventional Generation						Renewables						Thermal (a)						Corporate (b)						Total
Operating revenues			$	211					$	294					$	77					$	—					$	582
Cost of operations, exclusive of depreciation, amortization and accretion shown separately below			49						141						50						—						240
Depreciation, amortization and accretion			66						184						—						—						250
General and administrative			—						—						2						21						23
Transaction and integration costs			—						—						—						5						5
Development costs			—						—						2						—						2
Total operating costs and expenses			115						325						54						26						520
Gain on sale of business			—						—						—						1,291						1,291
Operating income (loss)			96						(31)						23						1,265						1,353
Equity in earnings of unconsolidated affiliates			2						12						—						—						14
Other income, net			—						4						—						1						5
Loss on debt extinguishment			—						(2)						—						—						(2)
Interest expense			(18)						(19)						(6)						(51)						(94)
Income (loss) before income taxes			80						(36)						17						1,215						1,276
Income tax expense			—						—						—						224						224
Net Income (Loss)			$	80					$	(36)					$	17					$	991					$	1,052

(a) The Thermal Business was sold on May 1, 2022.

(b) Includes eliminations.

			Six months ended June 30, 2021
(In millions)			Conventional Generation						Renewables						Thermal						Corporate						Total
Operating revenues			$	211					$	308					$	98					$	—					$	617
Cost of operations, exclusive of depreciation, amortization and accretion shown separately below			50						106						62						(1)						217
Depreciation, amortization and accretion			65						176						15						—						256
General and administrative			—						1						1						18						20
Transaction and integration costs			—						—						—						3						3
Development costs			—						—						2						—						2
Operating income (loss)			96						25						18						(20)						119
Equity in earnings of unconsolidated affiliates			4						8						—						—						12
Other income, net			—						1						1						—						2
Loss on debt extinguishment			—						(1)						—						(41)						(42)
Interest expense			(27)						(62)						(9)						(50)						(148)
Income (loss) before income taxes			73						(29)						10						(111)						(57)
Income tax benefit			—						—						—						(13)						(13)
Net Income (Loss)			$	73					$	(29)					$	10					$	(98)					$	(44)

X

- 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=123359005&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
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-URI http://asc.fasb.org/extlink&oid=123359005&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=123359005&loc=d3e8906-108599

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No definition available.

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