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Other Income (Tables) | 3 Months Ended
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Dec. 31, 2024
Other Income and Expenses [Abstract] |
Components of Other Income Expense | The components of Other income were (in millions):
|  | Three Months Ended December 31,
|  | 2024 |  | 2023
Interest income |  | $ | 4 |  |  | $ | 5 |
Royalty income |  | 3 |  |  | 3 |
Legacy product liability and environmental charges |  | (3) |  |  | (5) |
Non-operating pension and postretirement benefit credit |  | — |  |  | 5 |
Other |  | 2 |  |  | 1 |
Other income |  | $ | 6 |  |  | $ | 9 |

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