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v3.20.2

Revenue Local Power Company Contracts (Details) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2020 USD ($) Units | Sep. 30, 2019 USD ($) | Sep. 30, 2018 USD ($)
Number of LPCs signed LTA | Units | 142 |  |
Electric revenue | $ 10,104 | $ 11,159 | $ 11,075
Total number of LPCs | Units | 153 |  |
Percentage of total operating revenues | 91.80% |  |
20-year contract arrangement [Member] |  |  |
Electric revenue | $ 7,666 |  |
5-year contract arrangement [Member] |  |  |
Electric revenue | 1,740 |  |
Local Power Company [Member] |  |  |
Electric revenue | $ 9,406 | $ 10,351 | $ 10,262
5-year contract arrangement [Member] |  |  |
Number of LPCs signed LTA | Units | 11 |  |
Percentage of total operating revenues | 17.00% |  |

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- Definition Revenue from sales of electricity + References No definition available. + Details
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- Definition Number of LPCs signed LTA + References No definition available. + Details
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- Definition Percentage of total operating revenues + References No definition available. + Details
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- Definition Total number of LPCs + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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