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Leases | 12 Months Ended
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Dec. 31, 2024
Leases [Abstract] |
Leases | 3. Leases The Company has operating leases for offices, manufacturing and research buildings, machinery, cars, data processing and other equipment. The Company’s leases have remaining lease terms of 1-43 years, some of which include options to extend the leases for up to 25 years, and some of which include options to terminate the leases within one year. As of December 31, 2024, the Company has no additional material operating leases that have not yet commenced. The following tables provide information about the Company’s operating leases. The Company has not identified any material finance leases as of December 31, 2024; therefore, the finance lease components have not been disclosed in the tables below.
Lease cost |  |  |  |  |  |  |  |  |
(Dollars in millions) |  | 2024 |  |  | 2023 |  |  | 2022 |
Operating lease cost |  | $ | 47 |  |  | $ | 54 |  |  | $ | 50 |
Short-term lease cost |  |  | 6 |  |  |  | 8 |  |  |  | 9 |
Variable lease cost |  |  | 6 |  |  |  | 5 |  |  |  | 4 |
Sublease income |  |  | (1 | ) |  |  | (1 | ) |  |  | (1 | )
Total lease cost |  | $ | 58 |  |  | $ | 66 |  |  | $ | 62 |
Other information |  |  |  |  |  |
|  | Year ended or as of December 31, |
(Dollars in millions) |  | 2024 |  |  | 2023 |
Cash paid for amounts included in the measurement of operating lease liabilities |  | $ | 45 |  |  | $ | 47 |
Right-of-use assets obtained in exchange for new operating lease liabilities |  |  | 27 |  |  |  | 70 |
Weighted-average remaining lease term - operating leases |  | 8.9 years |  |  | 9.4 years |
Weighted-average discount rate - operating leases |  |  | 3.3 | % |  |  | 3.2 | %
Maturities of operating lease liabilities (undiscounted cash flows) are as follows: |  |  |
(Dollars in millions) |  | Maturities |
2025 |  | $ | 38 |
2026 |  |  | 27 |
2027 |  |  | 21 |
2028 |  |  | 15 |
2029 |  |  | 12 |
Thereafter |  |  | 72 |
Total operating lease payments |  |  | 184 |
Less imputed interest |  |  | (25 | )
Total operating lease liabilities |  | $ | 159 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/842-20/tableOfContent + Details
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