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Investments (Tables) | 6 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Investments | Our investments consist of (in millions):
|  | March 31, 2025 |  | September 30, 2024
Fixed income securities |  | $ | 6 |  |  | $ | — |
Equity securities (other) |  | 100 |  |  | 106 |
Other |  | 71 |  |  | 63 |
Total investments |  | 177 |  |  | 169 |
Less: Short-term investments (1) |  | (6) |  |  | — |
Long-term investments (2) |  | $ | 171 |  |  | $ | 169 |
(1) Short-term investments are included in Other current assets in the Consolidated Balance Sheet. (2) Long-term investments are included in Other assets in the Consolidated Balance Sheet.

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- Definition Tabular disclosure of investment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/320/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Topic 321 -Publisher FASB -URI https://asc.fasb.org/321/tableOfContent Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Topic 325 -Publisher FASB -URI https://asc.fasb.org/325/tableOfContent + Details
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