Income Taxes (Tables)

6 Months Ended

Jun. 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		Successor				Predecessor
	Three Months Ended June 30, 2024		May 18 through June 30, 2023		April 1 through May 17, 2023		Six Months Ended June 30, 2024		May 18 through June 30, 2023		January 1 through May 17, 2023
Income (loss) before income taxes	$	570	$	50	$	617	$	958	$	50	$	677
Income tax benefit (expense)	(112)		(19)		(198)		(181)		(19)		(212)
Effective tax rate	19.6%		38.0%		32.1%		18.9%		38.0%		31.3%
Federal income tax statutory tax rate	21 %		21 %		21 %		21 %		21 %		21 %
Income tax benefit (expense) computed at the federal income tax statutory tax rate	(120)		(10)		(130)		(201)		(10)		(143)
Income tax increase (decrease) due to:
State income taxes, net of federal benefit	(17)		(2)		(32)		(29)		(2)		(34)
Change in valuation allowance	14		2		116		34		2		129
Production tax credits	9		—		—		18		—		—
Other permanent differences	6		(3)		(11)		12		(3)		(16)
Nuclear decommissioning trust taxes	(4)		(6)		(2)		(15)		(6)		(9)
Reorganization adjustments	—		—		(138)		—		—		(138)
Other	—		—		(1)		—		—		(1)
Income tax benefit (expense)	$	(112)	$	(19)	$	(198)	$	(181)	$	(19)	$	(212)