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Comprehensive Income (Tables) | 6 Months Ended
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Mar. 31, 2025
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Loss | The following summary sets forth the changes in the components of accumulated other comprehensive loss.
| Foreign Currency Translation Loss (a) |  | Minimum Pension Liability Adjustment |  |  |  | Accumulated Other Comprehensive Loss, net
| (in millions)
Balances at September 30, 2024 | $ | (244) |  |  | $ | (3) |  |  |  |  | $ | (247) |
Other comprehensive loss | (45) |  |  | — |  |  |  |  | (45) |
Balances at March 31, 2025 | $ | (289) |  |  | $ | (3) |  |  |  |  | $ | (292) |
______________________________________ (a)Includes historical foreign currency translation related to certain intra-entity transactions.

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