v3.25.2
Leasing Arrangements - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Lessee Lease Description [Line Items]        
Right-of-use assets exchanged for new operating lease obligations $ 3 $ 1 $ 5 $ 4
Property, Plant and Equipment [Member]        
Lessee Lease Description [Line Items]        
Lease asset   $ 10   $ 10