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LEASES (Tables) | 12 Months Ended
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Dec. 31, 2024
Leases [Abstract] |
Schedule of Supplemental Information Related to Operating Leases | Supplemental information related to operating leases is as follows for the periods indicated:
| Year Ended December 31,
(Dollars in millions) | 2024 |  | 2023
Lease expense incurred: |  |  |
Operating lease cost | $ | 32 |  |  | $ | 30 |
| At December 31,
(Dollars in millions) | 2024 |  | 2023
Operating lease right of use assets (1) | $ | 108 |  |  | $ | 123 |
Operating lease liabilities (1) | 126 |  |  | 143 |
(1) Operating lease right of use assets and operating lease liabilities are included within other assets and other liabilities on the Company’s consolidated balance sheets, respectively.
| Year Ended December 31,
(Dollars in millions) | 2024 |  | 2023
Operating cash flows from operating leases | $ | (24) |  |  | $ | (22) |
| At December 31,
| 2024 |  | 2023
Weighted average remaining operating lease term | 9.2 years |  | 9.8 years
Weighted average discount rate on operating leases | 4.14 | % |  | 4.03 | %
Schedule of Maturities of Lease Liabilities | Maturities of the existing lease liabilities are expected to occur as follows:
(Dollars in millions) | As of December 31,
2025 | $ | 21 |
2026 | 20 |
2027 | 17 |
2028 | 14 |
2029 | 13 |
Thereafter | 67 |
Undiscounted lease payments | 152 |
Less: present value adjustment | 25 |
Total operating lease liability | $ | 126 |
(Some amounts may not reconcile due to rounding.)

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-4 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-6 + Details
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