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DISCONTINUED OPERATIONS - Narrative (Details) - USD ($) $ in Millions |  |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | ---
May 31, 2023 | Oct. 31, 2022 | Dec. 31, 2023 | Jun. 30, 2023 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023 | Sep. 30, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Net sales |  |  |  |  | $ 1,245 |  | $ 2,358 |
Copeland |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Noncontrolling interest, ownership percentage by parent | 40.00% |  |  |  |  |  |  |
Climate Technologies |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Purchase price | $ 14,000 |  |  |  |  |  |  |
Proceeds from divestiture | 9,700 |  |  |  |  |  |  |
Proceeds from notes receivable | $ 2,250 |  |  |  |  |  |  |
Interest accrual percentage on note payable | 5.00% |  |  |  |  |  |  |
Net sales |  |  |  |  | 1,245 |  | 2,309 | $ 5,000
Disposal group, pre-tax earnings |  |  |  |  |  |  |  | 1,000
Pretax gain |  |  |  | $ 10,600 |  |  |  |
Gain on sale of business, net of tax |  |  |  |  |  |  |  | 8,400
Ceased depreciation |  |  |  |  | 43 |  | 70 |
Discontinued operations costs |  |  |  |  | 28 |  | 55 |
Tax effect of discontinued operation |  |  |  |  | $ 245 |  |  |
InSinkErator |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |
Purchase price |  | $ 3,000 |  |  |  | $ 575 |  |
Net sales |  |  |  |  |  |  |  | 630
Disposal group, pre-tax earnings |  |  |  |  |  |  |  | $ 152
Pretax gain |  |  | $ 2,800 |  |  |  |  |
Gain on sale of business, net of tax |  |  | $ 2,100 |  |  |  |  |
Tax effect of discontinued operation |  |  |  |  |  |  | $ 660 |

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