Basis of Presentation and Accounting Policies - Schedule of Supplier Finance Program (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Supplier Finance Program, Obligation [Roll Forward] | ||
| Beginning Balance | $ 62 | $ 68 |
| Invoices confirmed during the period | 59 | 49 |
| Payments made during the period | (57) | (61) |
| Ending Balance | $ 64 | $ 56 |
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- Definition Amount of obligation for supplier finance program, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of decrease in obligation for supplier finance program from settlement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in obligation for supplier finance program. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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