EMPLOYEE BENEFIT PLANS (Tables)
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12 Months Ended |
Dec. 31, 2025 |
| Retirement Benefits [Abstract] |
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| Schedule of Pension Expenses |
The following table summarizes the Company’s pension expense for the periods indicated: | | | | | | | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | 2023 | | Pension expense (income) | $ | (30) | | | $ | (15) | | | $ | 5 | |
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| Schedule of Status of Defined Benefit Plan |
The following table summarizes the status of these defined benefit plans for U.S. employees for the periods indicated: | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | Change in projected benefit obligation: | | | | | Benefit obligation at beginning of year | $ | 259 | | | $ | 295 | | | Service cost | — | | | 3 | | | Interest cost | 7 | | | 14 | | | Actuarial (gain)/loss | (19) | | | (17) | | | Curtailment | (235) | | | (21) | | | Benefits paid | (8) | | | (15) | | | Projected benefit obligation at end of year | 3 | | | 259 | | | | | | | Change in plan assets: | | | | | Fair value of plan assets at beginning of year | 331 | | | 308 | | | Actual return on plan assets | 7 | | | 35 | | | Actual contributions during the year | 1 | | | 3 | | | Curtailment | (235) | | | — | | | | | | | Benefits paid | (8) | | | (15) | | | Fair value of plan assets at end of year | 96 | | | 331 | | | | | | | Funded status at end of year | $ | 93 | | | $ | 73 | |
(Some amounts may not reconcile due to rounding.) The following table summarizes the status of this plan for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Change in projected benefit obligation: | | | | | Benefit obligation at beginning of year | $ | 21 | | | $ | 22 | | | Service cost | — | | | — | | | Interest cost | 1 | | | 1 | | | Amendments | — | | | — | | | Actuarial (gain)/loss | 2 | | | (1) | | | Benefits paid | (1) | | | (1) | | | Benefit obligation at end of year | 24 | | | 21 | | | | | | | Change in plan assets: | | | | | Fair value of plan assets at beginning of year | — | | | — | | | Employer contributions | 1 | | | 1 | | | Benefits paid | (1) | | | (1) | | | Fair value of plan assets at end of year | — | | | — | | | | | | | Funded status at end of year | $ | (24) | | | $ | (21) | |
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| Schedule of Amounts Recognized in Consolidated Balance Sheet |
Amounts recognized in the consolidated balance sheets for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Other assets (due beyond one year) | $ | 96 | | | $ | 76 | | | Other liabilities (due within one year) | (1) | | | (1) | | | Other liabilities (due beyond one year) | (2) | | | (3) | | | Net amount recognized in the consolidated balance sheets | $ | 93 | | | $ | 73 | |
(Some amounts may not reconcile due to rounding.) Amounts recognized in the consolidated balance sheets for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Other liabilities (due within one year) | $ | (1) | | | $ | (1) | | | Other liabilities (due beyond one year) | (23) | | | (21) | | | Net amount recognized in the consolidated balance sheets | $ | (24) | | | $ | (21) | | (Some amounts may not reconcile due to rounding.)
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| Schedule of Net Periodic Benefit Cost Included in AOCI |
Amounts not yet reflected in net periodic benefit cost and included in accumulated other comprehensive income (loss) for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Accumulated income (loss) | $ | (1) | | | $ | 9 | | | Accumulated other comprehensive income (loss) | $ | (1) | | | $ | 9 | |
(Some amounts may not reconcile due to rounding.) Amounts not yet reflected in net periodic benefit cost and included in accumulated other comprehensive income (loss) for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Accumulated income (loss) | $ | 8 | | | $ | 11 | | | Accumulated prior service credit (cost) | — | | | — | | | Accumulated other comprehensive income (loss) | $ | 8 | | | $ | 12 | |
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| Schedule of Other Changes in Other Comprehensive Income (Loss) |
Other changes in other comprehensive income (loss) for the periods indicated are as follows: | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | Other comprehensive income (loss) at December 31, prior year | $ | 9 | | | $ | (33) | | | Net gain (loss) arising during period | 17 | | | 51 | | | Recognition of amortizations in net periodic benefit cost: | | | | | Actuarial loss | (27) | | | (9) | | | Curtailment loss recognized | — | | | — | | | Other comprehensive income (loss) at December 31, current year | $ | (1) | | | $ | 9 | |
(Some amounts may not reconcile due to rounding.) Other changes in other comprehensive income (loss) for the periods indicated are as follows: | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | Other comprehensive income (loss) at December 31, prior year | $ | 12 | | | $ | 12 | | | Net gain (loss) arising during period | (2) | | | 1 | | | Prior Service credit (cost) arising during period | — | | | — | | | Recognition of amortizations in net periodic benefit cost: | | | | | Actuarial loss (gain) | (1) | | | (1) | | | Prior service cost | — | | | — | | | Other comprehensive income (loss) at December 31, current year | $ | 8 | | | $ | 12 | |
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| Schedule of Net Periodic Benefit Cost |
Net periodic benefit cost for U.S. employees included the following components for the periods indicated: | | | | | | | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | 2023 | | Service cost | $ | — | | | $ | 3 | | | $ | 5 | | | Interest cost | 7 | | | 14 | | | 14 | | | Expected return on assets | (9) | | | (22) | | | (19) | | | Amortization of actuarial loss from earlier periods | — | | | — | | | 4 | | | Settlement | (27) | | | (9) | | | — | | | Net periodic benefit cost | $ | (30) | | | $ | (15) | | | $ | 5 | | | | | | | | | Other changes recognized in other comprehensive income (loss): | | | | | | | Other comprehensive income (loss) attributable to change from prior year | 10 | | | (42) | | | | | | | | | | | Total recognized in net periodic benefit cost and other | | | | | | | comprehensive income (loss) | $ | (20) | | | $ | (57) | | | |
(Some amounts may not reconcile due to rounding.) Net periodic benefit cost included the following components for the periods indicated: | | | | | | | | | | | | | | | | | | | Years Ended December 31, | | (Dollars in millions) | 2025 | | 2024 | | 2023 | | Service cost | $ | — | | | $ | — | | | $ | 1 | | | Interest cost | 1 | | | 1 | | | 1 | | | Prior service credit recognition | — | | | — | | | — | | | Net gain recognition | (1) | | | (1) | | | (2) | | | Net periodic cost | $ | — | | | $ | — | | | $ | (1) | | | | | | | | | Other changes recognized in other comprehensive income (loss): | | | | | | | Other comprehensive gain (loss) attributable to change from prior year | 3 | | | 1 | | | | | | | | | | | Total recognized in net periodic benefit cost and | | | | | | | other comprehensive income (loss) | $ | 3 | | | $ | — | | | |
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| Schedule of Accumulated Benefit Obligation |
The following table summarizes the accumulated benefit obligation for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | Qualified Plan | $ | — | | | $ | 255 | | | Non-qualified Plan | 3 | | | 3 | | | Total | $ | 3 | | | $ | 259 | |
(Some amounts may not reconcile due to rounding.)
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| Schedule of Projected Benefit Obligations in Excess of Plan Assets |
The following table displays the plans with projected benefit obligations in excess of plan assets for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | | | | | | | | | | | | | Non-qualified Plan | | | | | Projected benefit obligation | $ | 3 | | | $ | 3 | | | Fair value of plan assets | — | | | — | |
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| Schedule of Accumulated Benefit Obligations in Excess of Plan Assets |
The following table displays the plans with accumulated benefit obligations in excess of plan assets for the periods indicated: | | | | | | | | | | | | | At December 31, | | (Dollars in millions) | 2025 | | 2024 | | | | | | | | | | | | | | Non-qualified Plan | | | | | Accumulated benefit obligation | $ | 3 | | | $ | 3 | | | Fair value of plan assets | — | | | — | |
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| Schedule of Expected Benefit Payments |
The following table displays the expected benefit payments for the non-qualified defined benefit pension plan in the periods indicated: | | | | | | | (Dollars in millions) | | | 2026 | $ | 1 | | | 2027 | 1 | | | 2028 | — | | | 2029 | — | | | 2030 | — | | | Next 5 years | 1 | |
The following table displays the expected benefit payments in the years indicated: | | | | | | | (Dollars in millions) | | | 2026 | $ | 1 | | | 2027 | 1 | | | 2028 | 1 | | | 2029 | 1 | | | 2030 | 2 | | | Next 5 years | 8 | |
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