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v3.23.2

Debt and Other Obligations Debt Outstanding (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Short-term debt |  |
Short-term debt, net | $ 722 | $ 1,172
Current maturities of power bonds | 22 | 29
Current maturities of long-term debt of variable interest entities | 35 | 39
Total current debt outstanding, net | 779 | 1,240
Long-term debt |  |
Long-term power bonds | 18,990 | 17,950
Unamortized discounts, premiums, issues costs, and other | 129 | 124
Total long-term debt, net | 19,812 | 18,794
Total outstanding debt | 20,591 | 20,034
Long-term debt of variable interest entities, net | 951 | 968
Net exchange gain from currency transaction, noncurrent | $ 89 | $ 150

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