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v3.23.3

Related Parties Related Parties (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021
Related Parties |  |  |
Revenue from sales of electricity | $ 12,054 | $ 12,540 | $ 10,503
Long-term Investments | 4,123 | 3,671 |
Return on power program appropriation investment | (6) | (4) | (4)
Related Party Transactions |  |  |
Related Parties |  |  |
Revenue from sales of electricity | 120 | 134 | 109
Other income | 282 | 296 | 280
Operating expenses | 234 | 228 | 214
Additions to property, plant, and equipment | 8 | 11 | 10
Cash and cash equivalents | 31 | 30 | 30
Receivables from Customers | 87 | 78 | 65
Long-term Investments | 391 | 358 | 573
Receivables, Long-term Contracts or Programs | 38 | 43 | 31
Accounts payable and accrued liabilities | 42 | 42 | 15
Long-term power bonds, net | 1 | 1 | 1
Return on power program appropriation investment | $ (6) | $ (4) | $ (4)

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