Income Taxes (Tables)

9 Months Ended

Sep. 30, 2024

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

The reconciliations of the effective tax rate for the periods were:

	Successor												Predecessor
	Three Months Ended September 30, 2024			Three Months Ended September 30, 2023			Nine Months Ended September 30, 2024			May 18 through September 30, 2023			January 1 through May 17, 2023
Income (loss) before income taxes	$	179		$	(92)		$	1,137		$	(42)		$	677
Income tax benefit (expense)	(11)			16			(192)			(3)			(212)
Effective tax rate	6.1		%	17.4		%	16.9		%	(7.1		%)	31.3		%
Federal income tax statutory tax rate	21		%	21		%	21		%	21		%	21		%
Income tax benefit (expense) computed at the federal income tax statutory tax rate	(38)			19			(239)			9			(143)
Income tax increase (decrease) due to:
State income taxes, net of federal benefit	(5)			3			(34)			1			(34)
Change in valuation allowance	29			(12)			63			(10)			129
Production tax credits	16			—			34			—			—
Other permanent differences	(3)			3			10			—			(16)
Nuclear decommissioning trust taxes	(10)			3			(26)			(3)			(9)
Reorganization adjustments	—			—			—			—			(138)
Other	—			—			—			—			(1)
Income tax benefit (expense)	$	(11)		$	16		$	(192)		$	(3)		$	(212)