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Condensed Consolidated Statements of Changes in Equity - Duke Energy Florida - USD ($) $ in Millions | Total | Duke Energy Florida | Duke Energy Florida Member's Equity | Duke Energy Florida Net Unrealized Gains (Losses) on Available-for-Sale Securities
--- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2022 |  |  | $ 9,023 | $ 9,031 | $ (8)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income (loss) | $ 584 |  | 463 | 463 |
Other comprehensive income (loss) | 4 | [1] | 2 |  | 2
Other | (3) |  |  |  |
Ending balance at Jun. 30, 2023 |  |  | 9,488 | 9,494 | (6)
Beginning balance at Mar. 31, 2023 |  |  | 9,231 | 9,237 | (6)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income (loss) | (220) |  | 258 | 258 |
Other comprehensive income (loss) | (2) | [1] | 0 |  |
Other | (1) |  | (1) | (1) |
Ending balance at Jun. 30, 2023 |  |  | 9,488 | 9,494 | (6)
Beginning balance at Dec. 31, 2023 |  |  | 10,043 | 10,048 | (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income (loss) | 2,038 |  | 488 | 488 |
Other comprehensive income (loss) | (3) | [1] | 0 |  |
Other | 1 |  | 19 | 19 |
Ending balance at Jun. 30, 2024 |  |  | 10,550 | 10,555 | (5)
Beginning balance at Mar. 31, 2024 |  |  | 10,222 | 10,227 | (5)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Net income (loss) | 900 |  | 309 | 309 |
Other comprehensive income (loss) | (1) | [1] | 0 |  |
Other | $ 1 |  | 19 | 19 |
Ending balance at Jun. 30, 2024 |  |  | $ 10,550 | $ 10,555 | $ (5)
[1] | Net of income tax benefit of approximately $2 million and income tax expense of $16 million for the three months ended June 30, 2024, and 2023, respectively and approximately $32 million and $9 million of income tax expense for the six months ended June 30, 2024, and 2023, respectively.

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