v3.25.2
Leases (Tables)
 6 Months Ended
Jun. 30, 2025
Leases [Abstract]  
Summary of Components of Lease Expense
The components of lease expense are as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
2025202420252024
(Dollars in millions)
Operating lease cost$5$4$9$7
Short-term lease cost1—1—
Total lease cost$6$4$10$7
Summary of Supplemental Cash Flow Information Related to Operating Leases
Supplemental cash flow information related to operating leases is as follows:
Three Months Ended
June 30,
Six Months Ended
June 30,
2025202420252024
(Dollars in millions)
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash outflows from operating leases
$4 $3 $8 $6 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases2 3 4 9 
Summary of Supplemental Balance Sheet Information Related to Operating Leases
Supplemental balance sheet information related to operating leases is as follows:
June 30,
2025		December 31,
2024
(Dollars in millions)
Other assets$54 $52 
Accrued liabilities13 11 
Other liabilities43 42 
 June 30,
2025		December 31, 2024
Weighted-average remaining lease term (in years)6.646.89
Weighted-average discount rate6.53 %6.71 %
Schedule of Maturities of Operating Lease Liabilities
Maturities of operating lease liabilities as of June 30, 2025 were as follows:
(Dollars in millions)
2025$9 
202614 
202712 
20288 
20295 
Thereafter18 
Total lease payments66 
Less imputed interest(10)
$56