v3.25.2
FINANCIAL INSTRUMENTS - Additional Information (Details)
€ in Millions, $ in Millions
12 Months Ended
Sep. 30, 2024
EUR (€)
Jun. 30, 2025
USD ($)
Mar. 31, 2025
EUR (€)
Sep. 30, 2019
EUR (€)
Derivative Instruments, Gain (Loss) [Line Items]        
Fair value of long-term debt compared with carrying value   $ 766    
Collateral already posted, aggregate fair value   0    
Collateral held from counterparties   0    
Level 2        
Derivative Instruments, Gain (Loss) [Line Items]        
Fair value of long-term debt   8,100    
Senior Notes        
Derivative Instruments, Gain (Loss) [Line Items]        
Debt, face amount | €       € 1,500
Repayments of debt | € € 500      
Senior Notes | Due March 2031        
Derivative Instruments, Gain (Loss) [Line Items]        
Debt, face amount | €     € 500  
Notes interest rate, percentage     3.00%  
Senior Notes | Due March 2037        
Derivative Instruments, Gain (Loss) [Line Items]        
Debt, face amount | €     € 500  
Notes interest rate, percentage     3.50%  
Foreign currency        
Derivative Instruments, Gain (Loss) [Line Items]        
Notional amount of foreign currency hedge positions   $ 3,200