v3.25.2
WORKFORCE REBALANCING AND SITE-RATIONALIZATION CHARGES - Classification of restructuring activity (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended 15 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Mar. 31, 2025
Jun. 30, 2025
RESTRUCTURING        
Charges $ 25 $ 45    
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Workforce Rebalancing Costs      
Fiscal 2025 Program        
RESTRUCTURING        
Charges     $ 162 $ 162
Fiscal 2026 Program        
RESTRUCTURING        
Charges $ 25      
Cost of service        
RESTRUCTURING        
Charges   8    
Cost of service | Fiscal 2025 Program        
RESTRUCTURING        
Charges       45
Selling, general and administrative expense        
RESTRUCTURING        
Charges   1    
Selling, general and administrative expense | Fiscal 2025 Program        
RESTRUCTURING        
Charges       3
Workforce rebalancing charges        
RESTRUCTURING        
Charges   $ 36    
Workforce rebalancing charges | Fiscal 2025 Program        
RESTRUCTURING        
Charges       $ 114