RETIREMENT-RELATED BENEFITS - Net Periodic Pension Cost for Defined Benefit Pension Plans (Details) - Defined Benefit Pension Plans - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
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| Cost/(Income) of Pension Plans | ||
| Service cost | $ 8.0 | $ 9.0 |
| Interest cost | 14.0 | 13.0 |
| Expected return on plan assets | (16.0) | (15.0) |
| Recognized actuarial losses (gains) | 3.0 | 4.0 |
| Total net periodic pension cost | $ 9.0 | $ 12.0 |
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. including costs of related party from spin-off. No definition available.
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan, including costs of related party from spin-off. No definition available.
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of net periodic benefit cost (credit) for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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