DISCONTINUED OPERATIONS - Net Cash from Operating and Investing Activities (Details) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2023 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | $ (43) | $ (391) |
| Cash from investing activities | 1 | 2,916 |
| Climate Technologies | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | (43) | 44 |
| Cash from investing activities | 1 | (139) |
| ISE | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | 0 | (435) |
| Cash from investing activities | $ 0 | $ 3,055 |