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v3.22.2.2

Debt and Other Obligations Debt and Other Obligations - Debt Securities Activity (Details) - USD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2013 | Jan. 17, 2012
Debt Instrument |  |  |  |  |
Issues of power bonds | $ 484 | $ 500 | $ 997 |  |
Face Amount | 40 |  |  | $ 360 |
Discount on debt issues | (16) | 0 |  |  |
Redemptions/Maturities of variable interest entities | 43 | 41 | 39 |  |
Redemptions/Maturities of power bonds | $ 1,028 | $ 1,860 | $ 1,427 |  |
Percent of par value | 96.786% | 99.982% |  |  |
Total Current maturities of power bonds issued at par | $ 29 | $ 1,028 |  |  |
Interest rate |  |  |  |  | 7.10%
Short-term debt, net of discounts | 1,172 | 780 |  |  |
Current maturities of long-term debt of variable interest entities issued at par | 39 | 43 |  |  |
Long-term power bonds, net | 17,826 | 17,457 |  |  |
880591EF5 (12.15.20) |  |  |  |  |
Debt Instrument |  |  |  |  |
Total Current maturities of power bonds issued at par | $ 1 | 1 |  |  |
Interest rate | 3.77% |  |  |  |
Debt Instrument, Maturity Date | Dec. 15, 2022 |  |  |  |
880591EF5 (6.15.21) |  |  |  |  |
Debt Instrument |  |  |  |  |
Total Current maturities of power bonds issued at par | $ 28 | 27 |  |  |
Interest rate | 3.77% |  |  |  |
Debt Instrument, Maturity Date | Jun. 15, 2023 |  |  |  |
880591EN8 |  |  |  |  |
Debt Instrument |  |  |  |  |
Total Current maturities of power bonds issued at par | $ 0 | $ 1,000 |  |  |
Interest rate | 1.875% |  |  |  |
Debt Instrument, Maturity Date | Aug. 15, 2022 |  |  |  |
Total |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Instrument, Redemption Period, End Date | 1,071 | 1,901 |  |  |
Percent of par value | 100.00% |  |  |  |
Debt of variable interest entities |  |  |  |  |
Debt Instrument |  |  |  |  |
Redemptions/Maturities of variable interest entities | $ 43 | $ 41 |  |  |
2009 Series B |  |  |  |  |
Debt Instrument |  |  |  |  |
Redemptions/Maturities of power bonds | 28 | 29 |  |  |
2011 Series A |  |  |  |  |
Debt Instrument |  |  |  |  |
Redemptions/Maturities of power bonds | 0 | 1,500 |  |  |
1998 Series H |  |  |  |  |
Debt Instrument |  |  |  |  |
Redemptions/Maturities of power bonds | 0 | 331 |  |  |
2012 Series A |  |  |  |  |
Debt Instrument |  |  |  |  |
Redemptions/Maturities of power bonds | 1,000 | 0 |  |  |
Total |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Securities Issues | 484 | 500 |  |  |
2021 Series A |  |  |  |  |
Debt Instrument |  |  |  |  |
Debt Securities Issues | $ 0 |  |  |  |
880591EY4 |  |  |  |  |
Debt Instrument |  |  |  |  |
Interest rate | 4.25% |  |  |  |
Debt Instrument, Maturity Date | Sep. 15, 2052 |  |  |  |
Long-term power bonds, net | $ 500 | 0 |  |  |
880591EX6 |  |  |  |  |
Debt Instrument |  |  |  |  |
Interest rate | 1.50% |  |  |  |
Debt Instrument, Maturity Date | Sep. 15, 2031 |  |  |  |
Long-term power bonds, net | $ 500 | $ 500 |  |  |

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