v3.26.1
OTHER FINANCIAL INFORMATION - Schedule of Accrued Expenses (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Sep. 30, 2025
Other Financial Information [Abstract]    
Customer advances (contract liabilities) $ 1,130 $ 1,031
Employee compensation 713 740
Operating lease liabilities (current) 142 138
Product warranty 75 90
Income taxes $ 69 $ 130
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Accrued expenses Accrued expenses