v3.25.2
Revenue Recognition - Contract Balances (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Sep. 30, 2024
Revenue from Contract with Customer [Abstract]    
Contract assets - current $ 2,119 $ 1,931
Contract assets - noncurrent 7 11
Contract liabilities - current 2,428 2,160
Contract liabilities - noncurrent $ 269 $ 252