INCOME TAXES - Schedule of Pretax Earnings from Continuing Operations (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
United States	$ 712	$ 1,529	$ 1,345
Non-U.S.	1,308	1,374	1,087
Earnings from continuing operations before income taxes	$ 2,020	$ 2,903	$ 2,432