RESTRUCTURING COSTS - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Sep. 30, 2026
Restructuring [Line Items]
Costs incurred related to restructuring actions	$ 2	$ 2
Forecast
Restructuring [Line Items]
Expected fiscal year restructuring expense			$ 100