v3.26.1
RESTRUCTURING COSTS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Sep. 30, 2026
Restructuring [Line Items]          
Other restructuring costs $ 8 $ 6 $ 11 $ 8  
Forecast          
Restructuring [Line Items]          
Expected fiscal year restructuring expense         $ 130