v3.26.1
OTHER FINANCIAL INFORMATION - Schedule of Goodwill by Business Segment (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Sep. 30, 2025
Goodwill [Line Items]    
Goodwill $ 18,122 $ 18,193
Software & Systems    
Goodwill [Line Items]    
Goodwill 12,551 12,563
Software & Systems | Control Systems & Software    
Goodwill [Line Items]    
Goodwill 9,090 9,095
Software & Systems | Test & Measurement    
Goodwill [Line Items]    
Goodwill 3,461 3,468
Intelligent Devices    
Goodwill [Line Items]    
Goodwill 4,954 5,004
Intelligent Devices | Sensors    
Goodwill [Line Items]    
Goodwill 1,588 1,604
Intelligent Devices | Final Control    
Goodwill [Line Items]    
Goodwill 3,366 3,400
Safety & Productivity    
Goodwill [Line Items]    
Goodwill $ 617 $ 626