Debt - Interest Expense, net (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2022 |
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| Debt Disclosure [Abstract] | |||
| Interest expense, net | $ 161 | $ 141 | $ 125 |
| Interest expense, debt | $ 182 | $ 157 | $ 125 |
| Long-term debt, weighted average interest rate, at point in time | 4.30% | 4.10% | 3.50% |
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- References No definition available.
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of interest income (expense) classified as nonoperating. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Weighted average interest rate of long-term debt outstanding calculated at point in time. No definition available.
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