Lease Obligations (Tables)

12 Months Ended

Dec. 31, 2023

Leases [Abstract]

Summary of Components of Lease Expense

The components of lease expense were as follows (in millions):

	Successor									Predecessor
	Year Ended			Year Ended			Six Months Ended			Six Months Ended
	December 31,			December 31,			December 31,			June 30,
	2023			2022			2021			2021
Operating lease cost	$	22		$	25		$	14		$	16
Finance lease cost:
Amortization of leased assets		24			25			12			13
Interest of lease liabilities		2			3			2			2
Variable and short-term lease cost		7			6			3			3
Sublease income		(6	)		(8	)		(3	)		(4	)
Total lease cost	$	49		$	51		$	28		$	30

Schedule of Supplemental Balance Sheet Information Related to Leases

Supplemental balance sheet information related to leases was as follows (in millions, except lease term and discount rate):

	December 31,			December 31,
	2023			2022
Operating Leases
Operating lease right-of-use assets	$	68		$	86
Current operating lease liabilities		35			34
Noncurrent operating lease liabilities		71			103
Total operating lease liabilities	$	106		$	137
Finance Leases
Fixed assets, net	$	21		$	46
Current finance lease liabilities		11			25
Noncurrent finance lease liabilities		7			18
Total finance lease liabilities	$	18		$	43
Weighted Average Remaining Lease Term (in years)
Operating leases		5.6			6.5
Finance leases		2.4			2.0
Weighted Average Discount Rate
Operating leases		4.8	%		4.6	%
Finance leases		3.8	%		4.3	%

Schedule of Supplemental cash Flow and Other Information Related to Leases

Supplemental cash flow and other information related to leases was as follows (in millions):

	Successor						Predecessor
	Year Ended		Year Ended		Six Months Ended		Six Months Ended
	December 31,		December 31,		December 31,		June 30,
	2023		2022		2021		2021
Cash paid for amounts included in the measurement of    lease liabilities
Operating cash flows from operating leases	$	38	$	48	$	27	$	22
Operating cash flows from finance leases		2		2		2		2
Financing cash flows from finance leases		25		30		14		17
Right-of use assets obtained in exchange for lease    obligations
Operating leases	$	4	$	11	$	2	$	10
Finance leases		12		9		2		2

Summary of Future Lease Payments for Lease Obligations

Future lease payments for lease obligations with initial terms in excess of one year as of December 31, 2023 are as follows (in millions):

	Finance Leases			Operating Leases
2024	$	9		$	33
2025		5			18
2026		3			17
2027		2			15
2028		—			13
Thereafter		—			24
Total lease payments		19			120
Less: amount representing interest		(1	)		(14	)
Total lease obligations, net		18			106
Less: current portion of lease obligations, net		(11	)		(35	)
Total long-term portion of lease obligations, net	$	7		$	71