v3.26.3
SHAREHOLDERS' EQUITY - Additional Information (Details)
 12 Months Ended
Sep. 30, 2026
USD ($)
$ / shares
Aug. 31, 2026
USD ($)
shares
Aug. 31, 2025
USD ($)
Aug. 31, 2024
USD ($)
Aug. 31, 2026
€ / shares
Aug. 31, 2026
USD ($)
$ / shares
shares
Aug. 31, 2025
€ / shares
shares
Aug. 31, 2025
$ / shares
shares
Class of Stock [Line Items]                
Exchangeable shares, exchange ratio           1    
Stock repurchase program, authorized amount           $ 943,620,000    
Net effect to dividends of restricted stock units issued   $ (3,987,313,000) $ (3,700,169,000) $ (3,241,479,000)        
Subsequent Event                
Class of Stock [Line Items]                
Stock repurchase program, authorized amount $ 6,943,620,000              
Dividends declared (in dollars per share) | $ / shares $ 1.71              
Additional share repurchase authorization value approved $ 6,000,000,000              
Restricted Share Units                
Class of Stock [Line Items]                
Net effect to dividends of restricted stock units issued   $ 115,148,000 $ 134,689,000 $ 129,196,000        
Shares issued (in shares) | shares   604,505            
Ordinary Shares                
Class of Stock [Line Items]                
Ordinary shares, shares authorized (in shares) | shares           40,000 40,000 40,000
Ordinary shares, par value (in euros per share) | € / shares         € 1.00   € 1.00  
Class A Ordinary Shares                
Class of Stock [Line Items]                
Ordinary shares, shares authorized (in shares) | shares           20,000,000,000 20,000,000,000 20,000,000,000
Ordinary shares, par value (in euros per share) | $ / shares           $ 0.0000225   $ 0.0000225
Common stock voting rights per share   one            
Class X Ordinary Shares                
Class of Stock [Line Items]                
Ordinary shares, shares authorized (in shares) | shares           1,000,000,000 1,000,000,000 1,000,000,000
Ordinary shares, par value (in euros per share) | $ / shares           $ 0.0000225   $ 0.0000225
Common stock voting rights per share   one