Debt and Financing Arrangements - Components of Net Financing Charges (Details) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Debt Disclosure [Abstract] | ||||
| Interest expense, net of capitalized interest costs | $ 60 | $ 56 | $ 102 | $ 123 |
| Other financing charges | 4 | 4 | 11 | 10 |
| Interest income | (1) | (2) | (3) | (5) |
| Net foreign exchange results for financing activities | 4 | 22 | 16 | 38 |
| Net financing charges | $ 67 | $ 80 | $ 126 | $ 166 |
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- Definition Net financing charges includes interest expense, interest income, bank fees and amortization of debt issuance costs. No definition available.
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- Definition Net foreign exchange results for financing activities. No definition available.
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- Definition The total amount of other financing charges charged to income in the period through the net financing charges line item in the statement of income. No definition available.
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- References No definition available.
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- Definition The amount of interest income and other income recognized during the period. Included in this element is interest derived from investments in debt securities, cash and cash equivalents, and other investments which reflect the time value of money or transactions in which the payments are for the use or forbearance of money and other income from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business). No definition available.
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- Definition Amount of interest expense classified as operating and nonoperating. Includes, but is not limited to, cost of borrowing accounted for as interest expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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