RESTRUCTURING AND RELATED COSTS (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended	15 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Jun. 30, 2023	Sep. 30, 2023	Jun. 30, 2024
Restructuring Cost and Reserve [Line Items]
Restructuring and related implementation, incurred cost	$ 0	$ 19	$ 60	$ 60
Minimum | Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related implementation, expected cost					$ 30
Minimum | Forecast | Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related implementation, expected cost					10
Maximum | Forecast
Restructuring Cost and Reserve [Line Items]
Restructuring and related implementation, expected cost					40
Maximum | Forecast | Employee-Related Costs
Restructuring Cost and Reserve [Line Items]
Restructuring and related implementation, expected cost					$ 15