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Derivative Financial Instruments - Schedule of Amounts Recorded in Consolidated Balance Sheet (Details) - Interest Rate Swap - USD ($) $ in Millions | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Other Current Assets: |  |
Derivatives, Fair Value [Line Items] |  |
Other assets | $ 2 | $ 2
Other Noncurrent Assets: |  |
Derivatives, Fair Value [Line Items] |  |
Other assets | $ 0 | $ 16

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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. + References No definition available. + Details
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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. + References No definition available. + Details
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- Details
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- Details
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- Details
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