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v3.22.2.2

Revenue (Details) - USD ($) | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Other revenue | $ 169,000,000 | $ 146,000,000 | $ 145,000,000
Off-system sales | 19,000,000 | 7,000,000 | 4,000,000
Sales of Electricity (subtotal) | 12,352,000,000 | 10,350,000,000 | 10,100,000,000
Electric revenue | (12,371,000,000) | (10,357,000,000) | (10,104,000,000)
Revenues | 12,540,000,000 | 10,503,000,000 | 10,249,000,000
Pandemic Relief Credit | (228,000,000) | (221,000,000) |
Revenue Not from Contract with Customer | $ 0.015 |  |
Revenue from Contract with Customer [Abstract] |  |  |
Percent of Pandemic Credit Offered | 2.50% |  |
ALABAMA |  |  |
Electric revenue | $ (1,778,000,000) | (1,508,000,000) | (1,439,000,000)
GEORGIA |  |  |
Electric revenue | (299,000,000) | (254,000,000) | (249,000,000)
KENTUCKY |  |  |
Electric revenue | (821,000,000) | (655,000,000) | (624,000,000)
MISSISSIPPI |  |  |
Electric revenue | (1,182,000,000) | (984,000,000) | (941,000,000)
NORTH CAROLINA |  |  |
Electric revenue | (87,000,000) | (66,000,000) | (65,000,000)
TENNESSEE |  |  |
Electric revenue | (8,137,000,000) | (6,841,000,000) | (6,740,000,000)
VIRGINIA |  |  |
Electric revenue | $ (48,000,000) | $ (42,000,000) | $ (42,000,000)

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