Variable Interest Entities (Narrative) (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2024 |
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| Variable Interest Entities [Line Items] | ||
| Debt issuances | $ 2,275,000,000 | |
| Duke Energy Florida | ||
| Variable Interest Entities [Line Items] | ||
| Debt issuances | 275,000,000 | |
| Duke Energy (Parent) | ||
| Variable Interest Entities [Line Items] | ||
| Debt issuances | 1,500,000,000 | |
| Duke Energy Indiana | ||
| Variable Interest Entities [Line Items] | ||
| Debt issuances | 500,000,000 | |
| VIE primary beneficiary | ||
| Variable Interest Entities [Line Items] | ||
| Variable interest entity, financial or other support, amount | $ 0 | $ 0 |
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The amount of financial or other support the reporting entity has provided (explicitly or implicitly) to the Variable Interest Entity (VIE) that it was not previously contractually required to provide or that the reporting entity intends to provide, including, for example, situations in which the reporting entity assisted the VIE in obtaining another type of support. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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