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