Pension and Other Postretirement Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | |
|---|---|---|
Jul. 31, 2026 |
Jul. 31, 2025 |
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| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Defined Benefit Plan, Sponsor Location [Extensible List] | United States [Member] | United States [Member] |
| Pension Plan [Member] | ||
| Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] | ||
| Service cost | $ 3 | $ 3 |
| Interest cost | 8 | 8 |
| Expected return on plan assets | (8) | (9) |
| Amortization of net actuarial loss (gain) | 1 | 1 |
| Settlement charge | 0 | 19 |
| Net cost | $ 4 | $ 22 |
| X | ||||||||||
- 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 cost recognized for passage of time related to 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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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cost for actuarial present value of benefits attributed to service rendered by employee for defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Indicates location of employer sponsoring defined benefit plan designed to provide retirement benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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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- Details
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