v3.26.1
OTHER FINANCIAL INFORMATION - Schedule of Property, Plant and Equipment, net (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Sep. 30, 2025
Other Financial Information [Abstract]    
Property, plant and equipment, at cost $ 6,470 $ 6,408
Less: Accumulated depreciation 3,620 3,537
Total $ 2,850 $ 2,871