Equity Method Investment and Note Receivable - Summarized Financial Information (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Income (loss) from continuing operations	$ 132	$ 324
Net income (loss)	132	2,326
Net income (loss) attributable to shareholders	142	$ 2,331
Equity Method Investment, Nonconsolidated Investee or Group of Investees | Copeland
Schedule of Equity Method Investments [Line Items]
Net sales	1,024
Gross profit	345
Income (loss) from continuing operations	(93)
Net income (loss)	(93)
Net income (loss) attributable to shareholders	$ (90)