v3.25.2
SHARE-BASED COMPENSATION (Details)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
USD ($)
plan
$ / shares
shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Jun. 30, 2025
USD ($)
plan
$ / shares
shares
Jun. 30, 2024
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of share-based compensation plans | plan 1   1  
Restricted Stock Units (RSUs)        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
RSUs granted during period (in shares) | shares 110 90 2,000 1,900
RSUs granted during period, weighted-average grant-date fair value (in usd per share) | $ / shares $ 148.72 $ 125.42 $ 162.23 $ 108.09
Compensation expense $ 49 $ 51 $ 192 $ 191
Total pre-tax compensation costs not yet recognized, net of forfeitures 382   $ 382  
Compensation costs not yet recognized, period of recognition (in years)     3 years  
Restricted Stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Compensation expense 1 $ 1 $ 3 $ 5
Total pre-tax compensation costs not yet recognized, net of forfeitures $ 2   $ 2  
Compensation costs not yet recognized, period of recognition (in years)     1 year 3 months 18 days