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INCOME TAXES - Narrative (Details) $ in Millions | 1 Months Ended | 12 Months Ended | 15 Months Ended
--- | --- | --- | ---
Dec. 31, 2021 USD ($) | Sep. 30, 2024 USD ($) divestiture | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2020 USD ($)
Income Tax Contingency [Line Items] |  |  |  |  |
Number of small divestitures | divestiture |  | 2 |  |  |
Increase in unrecognized tax benefits |  |  | 0.02 |  |
Payroll taxes deferred |  |  |  |  | $ 73
Payroll taxes paid | $ 37 |  |  |  |
Tax holiday expiration, percent |  | 65.00% |  |  |
Tax holiday expiration, term of expiration |  | 3 years |  |  |
Unrecognized tax benefits that would impact effective tax rate |  | $ 246 |  |  |
Unrecognized tax benefits, income tax penalties and interest expense (income) |  | 6 | $ 1 | $ (7) |
Unrecognized tax benefits, income tax penalties and interest accrued |  | 27 | 22 |  |
Income taxes paid |  | 950 | $ 3,310 | $ 720 |
Net operating losses and tax credits, amount available to carry forward |  | $ 283 |  |  |
Net operating losses and tax credits, additional amount available to carry forward, term |  | 5 years |  |  |
Percentage of net operating losses and tax credits that can be carried forward |  | 66.67% |  |  |
Copeland |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |
Income taxes paid |  | $ 2,300 |  |  |

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