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Leases (Tables)
 12 Months Ended
Dec. 31, 2024
Leases [Abstract]  
Supplemental operating lease cash flow information
Supplemental cash flow information related to operating leases were as follows:
(dollars in millions)202420232022
Operating cash flows used in the measurement of operating lease liabilities$417 $421 $399 
Operating lease right-of-use assets obtained in exchange for operating lease obligations707 373 359 
Lessee, Operating Lease, Liability, Maturity
Future lease payments related to our operating lease liabilities as of December 31, 2024 are as follows:
(dollars in millions)
2025$434 
2026385 
2027326 
2028270 
2029193 
Thereafter811 
Total undiscounted lease payments2,419 
Less imputed interest(420)
Total discounted lease payments$1,999 
Operating lease payments recognized in statement of financial position
Our lease liabilities recognized in our Consolidated Balance Sheet were as follows as of December 31:
(dollars in millions)20242023
Operating lease liabilities, current (included in Other accrued liabilities)$367 $348 
Operating lease liabilities, non-current1,632 1,412 
Total operating lease liabilities$1,999 $1,760