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v3.20.2

Other Income (Expense), Net Other Income (Expense), Net (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2018
Other Income (Expense), Net |  |  |
Change in other income (expense) | $ (26) |  |
Other income |  | $ 21 | $ 0
Proceeds from Other Deposits | 0 | 21 |
Interest income | 18 | 25 | 23
External services | 12 | 13 | 14
Gain (Loss) on Investments | 9 | 3 | 6
Miscellaneous |  | 0 | 7
Miscellaneous | (3) |  |
Total other income (expense), net | 36 | $ 62 | $ 50
Change in interest income | $ 7 |  |

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