DISCONTINUED OPERATIONS - Net Cash from Operating and Investing Activities (Details) - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | $ 4 | $ (439) |
| Cash from investing activities | 36 | 12,485 |
| Climate Technologies | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | 4 | 156 |
| Cash from investing activities | 36 | 9,430 |
| ISE | ||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||
| Cash from operating activities | 0 | (595) |
| Cash from investing activities | $ 0 | $ 3,055 |