v3.26.1
Supply Chain Financing (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Sep. 30, 2025
Supplier Finance Program [Line Items]    
Accounts payable included in SCF programs $ 808 $ 835
Supplier Finance Program, Obligation, Current, Statement of Financial Position [Extensible Enumeration] Accounts payable Accounts payable
Minimum    
Supplier Finance Program [Line Items]    
Negotiated commercial terms 90 days  
Maximum    
Supplier Finance Program [Line Items]    
Negotiated commercial terms 120 days