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v3.22.2.2

Related Parties Related Parties (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Related Parties |  |  |
Revenue from sales of electricity | $ 12,540 | $ 10,503 | $ 10,249
Other income | 0 | (28) | 0
Long-term Investments | 3,671 | 4,053 |
Return on power program appropriation investment | (4) | (4) | (6)
Related Party Transactions |  |  |
Related Parties |  |  |
Revenue from sales of electricity | 134 | 109 | 105
Other income | 296 | 280 | 260
Operating expenses | 228 | 214 | 224
Additions to property, plant, and equipment | 11 | 10 | 9
Cash and cash equivalents | 30 | 30 | 31
Receivables from Customers | 78 | 65 | 94
Long-term Investments | 358 | 573 | 485
Receivables, Long-term Contracts or Programs | 43 | 31 | 27
Accounts payable and accrued liabilities | 42 | 15 | 39
Long-term power bonds, net | 1 | 1 | 1
Return on power program appropriation investment | $ (4) | $ (4) | $ (6)

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