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Leases (Tables)
 9 Months Ended
Sep. 30, 2022
Leases [Abstract]  
Lease cost and other information
The components of lease expense were as follows:
Three Months EndedThree Months EndedNine Months EndedNine Months Ended
(DOLLARS IN MILLIONS)September 30, 2022September 30, 2021September 30, 2022September 30, 2021
Operating lease cost$43 $43 $135 $121 
Finance lease cost2 2 6 4 
Supplemental cash flow information related to leases was as follows:
Nine Months EndedNine Months Ended
(DOLLARS IN MILLIONS)September 30, 2022September 30, 2021
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows for operating leases$102 $94 
Financing cash flows for finance leases5 3 
Right-of-use assets obtained in exchange for lease obligations
Operating leases40 69 
Finance leases4 16