v3.25.2
DERIVATIVE ASSETS AND DERIVATIVE LIABILITIES, Derivative Gain (Loss) Recognized in AOCI (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]        
Interest rate (cash flow hedges) $ (3) $ (2) $ (2) $ (17)
Total gains/(losses) included in AOCI, net of taxes (49) 8 12 (7)
Interest rate        
Derivative Instruments, Gain (Loss) [Line Items]        
Interest rate (cash flow hedges) (3) (2) (2) (17)
Foreign exchange        
Derivative Instruments, Gain (Loss) [Line Items]        
Foreign exchange (net investment hedges) $ (46) $ 10 $ 14 $ 10