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TAXES (Details) - USD ($) $ / shares in Units, $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Income Tax Disclosure [Abstract] |  |  |  |
Income taxes | $ 154 | $ 88 | $ 536 | $ 266
Effective income tax rate | 21.00% | 19.00% | 25.00% | 20.00%
Income tax (expense) benefit related to discrete tax items, as a percent |  | 3.00% |  |
Income tax benefit related to discrete tax items |  |  | $ 49 | $ 57
Income taxes benefit related to discrete tax items (in dollars per share) |  |  | $ 0.09 | $ 0.10
Income tax (expense) benefit related to discrete tax items, as a percent |  |  | 3.00% |
Income tax (expense) benefit related to business combinations, as a percent |  |  | 0.02 |

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