EQUITY METHOD INVESTMENT AND NOTE RECEIVABLE - Schedule of Financial Information (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Gross profit	$ 2,520	$ 2,393	$ 2,371	$ 2,235	$ 2,371	$ 2,314	$ 2,284	$ 1,916	$ 9,519	$ 8,885
Income (loss) from continuing operations									2,238	1,605	$ 2,261
Net income (loss)									2,246	1,955	13,200
Net income (loss) attributable to shareholders	$ 637	$ 586	$ 485	$ 585	$ 996	$ 329	$ 501	$ 142	$ 2,293	1,968	13,219
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Copeland
Schedule of Equity Method Investments [Line Items]
Net sales										4,323	1,677
Gross profit										1,495	479
Income (loss) from continuing operations										(326)	(442)
Net income (loss)										(326)	(442)
Net income (loss) attributable to shareholders										$ (322)	$ (442)