v3.25.2
OTHER FINANCIAL INFORMATION - Schedule of Other Intangible Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Sep. 30, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 15,767 $ 15,628
Less: Accumulated amortization 6,098 5,192
Net carrying amount 9,669 10,436
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Net carrying amount 5,917 6,296
Intellectual Property    
Finite-Lived Intangible Assets [Line Items]    
Net carrying amount $ 3,500 $ 3,901