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Leases (Tables)
6 Months Ended
Jun. 30, 2024
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, 2024June 30, 2023June 30, 2024June 30, 2023
Operating leases
Operating lease cost$32 $40 $64 $73 
Variable lease cost12 16 28 32 
Total operating lease cost$44 $56 $92 $105 
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, 2024June 30, 2023
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases$60 $64 
Operating cash flows for finance leases— 
Financing cash flows for finance leases
Right-of-use assets obtained in exchange for lease obligations
Operating leases44 57 
Finance leases