v3.25.2
Derivative Instruments and Hedging Activities - Fair Value of Derivative Assets and Liabilities (Details) - USD ($)
$ in Millions
Jun. 30, 2025
Sep. 30, 2024
Jun. 30, 2024
Derivative assets:      
Total derivative assets — gross $ 114 $ 140 $ 162
Gross amounts offset in the balance sheet (77) (88) (94)
Cash collateral received (21) (14) (12)
Total derivative assets — net 16 38 56
Derivative liabilities:      
Total derivative liabilities — gross (197) (183) (176)
Gross amounts offset in the balance sheet 77 88 94
Cash collateral pledged 38 36 32
Total derivative liabilities — net (82) (59) (50)
Commodity contracts      
Derivative assets:      
Total derivative assets — gross 3 4 4
Derivative liabilities:      
Total derivative liabilities — gross (2) (1) (5)
Derivatives designated as hedging instruments:      
Derivative assets:      
Total derivative assets — gross 1 7 19
Derivatives designated as hedging instruments: | Foreign currency contracts      
Derivative assets:      
Total derivative assets — gross 0 6 12
Derivatives designated as hedging instruments: | Interest rate contracts      
Derivative assets:      
Total derivative assets — gross 1 1 7
Derivative liabilities:      
Total derivative liabilities — gross (14) (22) 0
Derivatives not designated as hedging instruments:      
Derivative assets:      
Total derivative assets — gross 110 129 139
Derivative liabilities:      
Total derivative liabilities — gross (181) (160) (171)
Derivatives not designated as hedging instruments: | Foreign currency contracts      
Derivative assets:      
Total derivative assets — gross 0 0 6
Derivative liabilities:      
Total derivative liabilities — gross (25) (9) (2)
Derivatives not designated as hedging instruments: | Commodity contracts      
Derivative assets:      
Total derivative assets — gross 110 129 133
Derivative liabilities:      
Total derivative liabilities — gross $ (156) $ (151) $ (169)