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Other Income (Tables) | 9 Months Ended
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Jun. 30, 2025
Other Income and Expenses [Abstract] |
Components of Other Income | The components of Other income were (in millions):
|  | Three Months Ended June 30, |  | Nine Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Interest income |  | $ | 4 |  |  | $ | 3 |  |  | $ | 10 |  |  | $ | 12 |
Royalty income |  | 3 |  |  | 3 |  |  | 9 |  |  | 9 |
Legacy product liability and environmental charges |  | (4) |  |  | (3) |  |  | (13) |  |  | (11) |
Non-operating pension and postretirement benefit credit |  | — |  |  | 4 |  |  | — |  |  | 14 |
Fair value adjustments for earnout payments (Note 5) |  | — |  |  | — |  |  | (5) |  |  | (7) |
Other |  | 2 |  |  | — |  |  | 10 |  |  | 14 |
Other income |  | $ | 5 |  |  | $ | 7 |  |  | $ | 11 |  |  | $ | 31 |

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