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Leases (Tables)
6 Months Ended
Jun. 30, 2025
Leases [Abstract]  
Lease cost and other information
The components of lease expense were as follows:
Three Months EndedThree Months EndedSix Months EndedSix Months Ended
(DOLLARS IN MILLIONS)June 30, 2025June 30, 2024June 30, 2025June 30, 2024
Operating leases
Operating lease cost$32 $32 $58 $64 
Variable lease cost10 12 32 28 
Total operating lease cost$42 $44 $90 $92 
Finance leases
Finance lease cost$$$$
Supplemental cash flow information related to leases was as follows:
Six Months EndedSix Months Ended
(DOLLARS IN MILLIONS)June 30, 2025June 30, 2024
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases$67 $60 
Operating cash flows for finance leases
Financing cash flows for finance leases
Right-of-use assets obtained in exchange for lease obligations
Operating leases79 44 
Finance leases