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Derivatives and Hedging (Schedule of Offsetting Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 382 | $ 434
Net amounts presented in Current Assets: Other | 100 | 238
Net amounts presented in Other Noncurrent Assets: Other | $ 244 | $ 130
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Foreign Currency Contracts |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 156 | $ 5
Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 116 | 267
Offset | (16) | (29)
Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 266 | 167
Offset | (22) | (37)
Noncurrent assets | Foreign Currency Contracts |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 156 |
Duke Energy Carolinas |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 101 | 94
Net amounts presented in Current Assets: Other | 34 | 24
Net amounts presented in Other Noncurrent Assets: Other | $ 47 | $ 36
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Duke Energy Carolinas | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 43 | $ 39
Offset | (9) | (15)
Duke Energy Carolinas | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 58 | 55
Offset | (11) | (19)
Progress Energy |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 67 | 127
Net amounts presented in Current Assets: Other | 29 | 58
Net amounts presented in Other Noncurrent Assets: Other | $ 20 | $ 38
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Progress Energy | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 36 | $ 72
Offset | (7) | (14)
Progress Energy | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 31 | 55
Offset | (11) | (17)
Duke Energy Progress |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 52 | 109
Net amounts presented in Current Assets: Other | 29 | 47
Net amounts presented in Other Noncurrent Assets: Other | $ 5 | $ 31
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Duke Energy Progress | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 36 | $ 61
Offset | (7) | (14)
Duke Energy Progress | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 16 | 48
Offset | (11) | (17)
Duke Energy Florida |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 15 | 18
Net amounts presented in Current Assets: Other | 1 | 11
Net amounts presented in Other Noncurrent Assets: Other | $ 14 | $ 7
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Duke Energy Florida | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 1 | $ 11
Duke Energy Florida | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 14 | 7
Duke Energy Ohio |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | 1
Net amounts presented in Current Assets: Other |  | $ 1
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] |  | Current Assets: Other
Duke Energy Ohio | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | $ 1
Duke Energy Indiana |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 12 | 44
Net amounts presented in Current Assets: Other | 11 | $ 44
Net amounts presented in Other Noncurrent Assets: Other | $ 1 |
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) |
Duke Energy Indiana | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 11 | $ 44
Duke Energy Indiana | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 1 |
Piedmont |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | 1
Net amounts presented in Current Assets: Other |  | $ 1
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] |  | Current Assets: Other
Piedmont | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | $ 1

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