OTHER FINANCIAL INFORMATION - Narrative (Details) - USD ($) $ in Millions |
Jun. 30, 2026 |
Sep. 30, 2025 |
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| Intangible Asset, Finite-Lived [Line Items] | ||
| Other intangible assets | $ 8,686 | $ 9,458 |
| Customer Relationships | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Other intangible assets | 5,375 | 5,801 |
| Intellectual Property | ||
| Intangible Asset, Finite-Lived [Line Items] | ||
| Other intangible assets | $ 3,052 | $ 3,411 |
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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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after accumulated amortization, of finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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