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Derivatives and Hedging (Schedule of Offsetting Assets) (Details) - USD ($) $ in Millions | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 255 | $ 189
Derivative Asset, Current | 94 | 59
Net amounts presented in Current Assets: Other | 129 | 91
Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 95 | 61
Offset | $ (1) | $ (2)
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 160 | $ 128
Offset | $ (31) | $ (37)
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other | Other
Duke Energy Carolinas |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 35 | $ 35
Derivative Asset, Current | 0 | 5
Net amounts presented in Current Assets: Other | 23 | 15
Duke Energy Carolinas | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 6
Offset | (1) | (1)
Duke Energy Carolinas | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 34 | 29
Offset | (11) | (14)
Progress Energy |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 57 | 34
Derivative Asset, Current | 10 | 2
Net amounts presented in Current Assets: Other | 26 | 9
Progress Energy | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 11 | 3
Offset | (1) | (1)
Progress Energy | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 46 | 31
Offset | (20) | (22)
Duke Energy Progress |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 47 | 32
Derivative Asset, Current | 0 | 0
Net amounts presented in Current Assets: Other | 26 | 9
Duke Energy Progress | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 1
Offset | (1) | (1)
Duke Energy Progress | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 46 | 31
Offset | (20) | (22)
Duke Energy Florida |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 10 | 2
Derivative Asset, Current | 10 | 2
Net amounts presented in Current Assets: Other | 0 | 0
Duke Energy Florida | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 10 | 2
Offset | 0 | 0
Duke Energy Florida | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 0 | 0
Offset | 0 | 0
Duke Energy Ohio |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 0 | 1
Derivative Asset, Current | 0 | 1
Net amounts presented in Current Assets: Other | 0 | 0
Duke Energy Ohio | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 0 | 1
Offset | 0 | 0
Duke Energy Ohio | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 0 | 0
Offset | 0 | 0
Duke Energy Indiana |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 24 | 25
Derivative Asset, Current | 7 | 18
Net amounts presented in Current Assets: Other | 17 | 7
Duke Energy Indiana | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 7 | 18
Offset | 0 | 0
Duke Energy Indiana | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 17 | 7
Offset | 0 | 0
Piedmont |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 1
Derivative Asset, Current | 1 | 1
Net amounts presented in Current Assets: Other | 0 | 0
Piedmont | Current assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 1 | 1
Offset | 0 | 0
Piedmont | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 0 | 0
Offset | $ 0 | $ 0

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