Postretirement and Other Employee Benefits (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
May 31, 2025 |
May 31, 2024 |
May 31, 2025 |
May 31, 2024 |
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| Retirement Benefits [Abstract] | ||||
| Service cost | $ 6 | $ 5 | $ 17 | $ 15 |
| Interest cost | 3 | 3 | 8 | 9 |
| Expected long-term return on plan assets | (5) | (4) | (14) | (13) |
| Recognized actuarial gain | 0 | (1) | 0 | (4) |
| Amortization of actuarial gain | 0 | (2) | (1) | (4) |
| Amortization of prior service cost | 1 | 1 | 4 | 3 |
| Net periodic benefit cost | $ 5 | $ 2 | $ 14 | $ 6 |
| Percentage of gain (loss) corridor | 10.00% | 10.00% | ||
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- Definition Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Gain (Loss) Corridor Rate No definition available.
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- References No definition available.
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive 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 of defined benefit plan. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount of prior service cost (credit) 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 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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