Derivative Financial Instruments - Schedule of Amounts Recorded in Consolidated Balance Sheets (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| Derivatives, Fair Value [Line Items] | ||
| Foreign exchange derivative contracts in asset | $ 14 | $ 3 |
| Foreign exchange derivative contracts in liability | 10 | 6 |
| Foreign currency forward exchange contracts | ||
| Derivatives, Fair Value [Line Items] | ||
| Other current assets | 5 | 0 |
| Other current liabilities | (1) | (3) |
| Interest rate cap | ||
| Derivatives, Fair Value [Line Items] | ||
| Other current assets | $ 1 | $ 0 |
| Cap interest rate | 4.445% |
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- Definition Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Fair value portion of asset contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward contracts, and swaps. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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