Debt and Other Financing Activities - Summary of Information Related to Account Receivable Sales Program (Parenthetical) (Details) - USD ($) |
Jun. 30, 2026 |
Sep. 30, 2025 |
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|---|---|---|---|---|
| U.S. Accounts Receivable Sales Program [Member] | ||||
| Disclosure Of Sales Program Of Receivable [Line Items] | ||||
| Servicing and guarantee liability | [1] | $ 0 | $ 0 | |
| U.S. Accounts Receivable Sales Program [Member] | Maximum [Member] | ||||
| Disclosure Of Sales Program Of Receivable [Line Items] | ||||
| Servicing and guarantee liability | 1,000,000 | 1,000,000 | ||
| Foreign Accounts Receivable Sales Program [Member] | ||||
| Disclosure Of Sales Program Of Receivable [Line Items] | ||||
| Servicing and guarantee liability | [1] | 0 | 0 | |
| Foreign Accounts Receivable Sales Program [Member] | Maximum [Member] | ||||
| Disclosure Of Sales Program Of Receivable [Line Items] | ||||
| Servicing and guarantee liability | $ 1,000,000 | $ 1,000,000 | ||
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