EQUITY METHOD INVESTMENT AND NOTE RECEIVABLE - Summarized Financial Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2024	Mar. 31, 2023
Schedule of Equity Method Investments [Line Items]
Income (loss) from continuing operations	$ 503	$ 505	$ 635	$ 829
Net income (loss)	503	770	635	3,096
Net income (loss) attributable to shareholders	501	$ 792	643	$ 3,123
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Copeland
Schedule of Equity Method Investments [Line Items]
Net sales	1,175		2,199
Gross profit	412		757
Income (loss) from continuing operations	(147)		(240)
Net income (loss)	(147)		(240)
Net income (loss) attributable to shareholders	$ (148)		$ (238)