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CONSOLIDATED STATEMENTS OF CHANGES IN PROPRIETARY CAPITAL (UNAUDITED) - USD ($) | 3 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Mar. 31, 2024 | Sep. 30, 2023 | Mar. 31, 2023 | Sep. 30, 2022
Power Program Appropriation Investment | $ 258,000,000 |  | $ 258,000,000 |  |  |  |  |
Power Program Retained Earnings | 15,917,000,000 |  | 15,917,000,000 |  |  |  |  |
Nonpower Programs Appropriation Investment, Net | 520,000,000 |  | 520,000,000 |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges | (32,000,000) |  | (32,000,000) |  |  |  |  |
Total Proprietary Capital | 16,663,000,000 | $ 15,606,000,000 | 16,663,000,000 | $ 15,606,000,000 | $ 16,489,000,000 | $ 16,056,000,000 | $ 15,682,000,000 | $ 15,505,000,000
Net income (loss) | 181,000,000 | (58,000,000) | 615,000,000 | 91,000,000 |  |  |  |
Total other comprehensive income (loss) | (6,000,000) | (17,000,000) | (3,000,000) | 14,000,000 |  |  |  |
Return on power program appropriation investment | (1,000,000) | (1,000,000) | (5,000,000) | (4,000,000) |  |  |  |
Power Program Appropriation Investment |  |  |  |  |  |  |  |
Power Program Appropriation Investment | 258,000,000 | 258,000,000 | 258,000,000 | 258,000,000 |  | 258,000,000 | 258,000,000 | 258,000,000
Net income (loss) | 0 | 0 | 0 | 0 |  |  |  |
Total other comprehensive income (loss) | 0 | 0 | 0 | 0 |  |  |  |
Return on power program appropriation investment | 0 | 0 | 0 | 0 |  |  |  |
Power Program Retained Earnings |  |  |  |  |  |  |  |
Power Program Retained Earnings | 15,917,000,000 | 14,893,000,000 | 15,917,000,000 | 14,893,000,000 | 15,736,000,000 | 15,302,000,000 | 14,950,000,000 | 14,800,000,000
Net income (loss) | 182,000,000 | (56,000,000) | 620,000,000 | 97,000,000 |  |  |  |
Total other comprehensive income (loss) | 0 | 0 | 0 | 0 |  |  |  |
Return on power program appropriation investment | (1,000,000) | (1,000,000) | (5,000,000) | (4,000,000) |  |  |  |
Nonpower Programs Appropriation Investment, Net |  |  |  |  |  |  |  |
Nonpower Programs Appropriation Investment, Net | 520,000,000 | 527,000,000 | 520,000,000 | 527,000,000 | 521,000,000 | 525,000,000 | 529,000,000 | 533,000,000
Net income (loss) | (1,000,000) | (2,000,000) | (5,000,000) | (6,000,000) |  |  |  |
Total other comprehensive income (loss) | 0 | 0 | 0 | 0 |  |  |  |
Return on power program appropriation investment | 0 | 0 | 0 | 0 |  |  |  |
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss) from Net Gains (Losses) on Cash Flow Hedges | (32,000,000) | (72,000,000) | (32,000,000) | (72,000,000) | $ (26,000,000) | $ (29,000,000) | $ (55,000,000) | $ (86,000,000)
Net income (loss) | 0 | 0 | 0 | 0 |  |  |  |
Total other comprehensive income (loss) | (6,000,000) | (17,000,000) | (3,000,000) | 14,000,000 |  |  |  |
Return on power program appropriation investment | $ 0 | $ 0 | $ 0 | $ 0 |  |  |  |

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