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Other Operating Income (Expense), Net and Other Non-Operating Income (Expense), Net - Schedule of Other Operating Income (Expense), Net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Property, Plant and Equipment |  |  |
Finance charges | $ 15 | $ 16 | $ 17
Gains on sales of fixed assets, net | 25 | 22 | 61
Foreign currency transaction gains (losses) | 0 | 2 | 7
Cylinder deposit income | 17 | 17 | 23
Interest and interest-related income | 12 | 11 | 6
Other, net | 13 | (6) | 18
Total other operating income (expense), net | $ 82 | $ 62 | 132
Building |  |  |
Property, Plant and Equipment |  |  |
Gains on sales of fixed assets, net |  |  | $ 15

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A + Details
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