EQUITY METHOD INVESTMENT AND NOTE RECEIVABLE - Summarized Financial Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024
Schedule of Equity Method Investments [Line Items]
Income (loss) from continuing operations	$ 430	$ 549	$ 1,022	$ 708
Net income (loss)	430	503	1,022	635
Net income (loss) attributable to shareholders	$ 485	501	1,070	643
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)