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v3.21.2

Revenue (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
State [Line Items] |  |  |  |
Electric revenue | $ (2,490) | $ (2,215) | $ (7,289) | $ (7,234)
Sales of Electricity | 2,491 | 2,216 | 7,294 | 7,237
Off System Sales of Electricity | 1 |  | 5 | 3
Other revenue | $ 36 | 35 | $ 109 | 113
Total long duration contract revenue recognition | 2,283 |  | 6,711 |
Revenues | $ 2,527 | 2,251 | $ 7,403 | $ 7,350
Off system sales |  | 1 |  |
Percent of wholesale Credit offered |  |  | 310.00% |
Percent of Pandemic Credit Offered |  |  | 250.00% |
NES's % of operating revenues |  |  | 800.00% | 800.00%
ALABAMA |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (359) | (312) | $ (1,072) | $ (1,041)
GEORGIA |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (60) | (52) | (184) | (179)
KENTUCKY |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (163) | (140) | (457) | (455)
MISSISSIPPI |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (237) | (204) | (686) | (668)
NORTH CAROLINA |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (15) | (13) | (49) | (50)
TENNESSEE |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (1,646) | (1,485) | (4,810) | (4,809)
VIRGINIA |  |  |  |
State [Line Items] |  |  |  |
Electric revenue | (10) | $ (9) | (31) | $ (32)
20-year Termination Notice [Member] |  |  |  |
State [Line Items] |  |  |  |
Revenues | 1,851 |  | 5,505 |
5-year termination notice [Member] |  |  |  |
State [Line Items] |  |  |  |
Revenues | $ 432 |  | $ 1,206 |

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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. 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