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Leases (Tables)
 12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Supplemental operating lease cash flow information
Supplemental cash flow information related to operating leases were as follows:
(dollars in millions)202320222021
Operating cash flows used in the measurement of operating lease liabilities$421 $399 $490 
Operating lease right-of-use assets obtained in exchange for operating lease obligations373 359 535 
Lessee, Operating Lease, Liability, Maturity
Future lease payments related to our operating lease liabilities as of December 31, 2023 are as follows:
(dollars in millions)
2024$371 
2025314 
2026268 
2027223 
2028181 
Thereafter640 
Total undiscounted lease payments1,997 
Less imputed interest(237)
Total discounted lease payments$1,760 
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)20232022
Operating lease liabilities, current (included in Other accrued liabilities)$348 $356 
Operating lease liabilities, noncurrent1,412 1,586 
Total operating lease liabilities$1,760 $1,942