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Investments in Unconsolidated Affiliates (Tables) | 12 Months Ended
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Dec. 31, 2025
Equity Method Investments and Joint Ventures [Abstract] |
Investments in Equity Method Unconsolidated Affiliates | The following table presents Duke Energy’s investments in unconsolidated affiliates accounted for under the equity method, as well as the respective equity in earnings (losses), by segment, for periods presented in this filing.
| Years Ended December 31,
| 2025 |  | 2024 |  |  |  | 2023
|  |  | Equity in |  |  |  | Equity in |  |  |  | Equity in
(in millions) | Investments |  | earnings |  | Investments |  | (losses) earnings |  |  |  | earnings
Electric Utilities and Infrastructure | $ | — |  |  | $ | — |  |  | $ | 28 |  |  | $ | (11) |  |  |  |  | $ | 7 |
Gas Utilities and Infrastructure | 177 |  |  | 15 |  |  | 186 |  |  | (48) |  |  |  |  | 40 |
Other | 153 |  |  | 36 |  |  | 139 |  |  | 50 |  |  |  |  | 66 |
Total | $ | 330 |  |  | $ | 51 |  |  | $ | 353 |  |  | $ | (9) |  |  |  |  | $ | 113 |

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- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
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