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OTHER FINANCIAL INFORMATION - Schedule of Depreciation and Amortization components (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Other Financial Information [Abstract] |  |  |  |
Depreciation expense | $ 81 | $ 80 | $ 246 | $ 238
Amortization of intangibles (includes $49, $50, $147 and $149 reported in Cost of Sales, respectively) | 269 | 313 | 826 | 958
Amortization of capitalized software | 22 | 24 | 67 | 67
Total | 372 | 417 | 1,139 | 1,263
Amortization of intangibles in cost of sales | $ 50 | $ 49 | $ 149 | $ 147

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