SHARE-BASED AND OTHER COMPENSATION, Restricted Stock Award, Expense and Income Tax Benefits (Details) - Employees and Directors - Restricted Stock Units - 2012 Stock Incentive Plan - USD ($) $ in Millions	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSU share-based compensation amortization	$ 220	$ 179	$ 126
Income tax benefits related to share-based expense	$ 51	$ 41	$ 29