OTHER FINANCIAL INFORMATION - Schedule of Other Intangible Assets (Details) - USD ($) $ in Millions |
Mar. 31, 2026 |
Sep. 30, 2025 |
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| Other Financial Information [Abstract] | ||
| Gross carrying amount | $ 15,775 | $ 15,832 |
| Less: Accumulated amortization | 6,821 | 6,374 |
| Net carrying amount | $ 8,954 | $ 9,458 |
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- Definition Other Financial Information No definition available.
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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