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Derivatives and Hedging (Schedule of Offsetting Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 836 | $ 320
Net amounts presented in Current Assets: Other | 530 | 179
Net amounts presented in Other Noncurrent Assets: Other | 145 | 93
Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 594 | 204
Gross amounts offset | $ (64) | $ (25)
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration] | Current Assets: Other | Current Assets: Other
Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 242 | $ 116
Gross amounts offset | $ (97) | $ (23)
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other (including amounts related to VIEs) | Other (including amounts related to VIEs)
Duke Energy Carolinas |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 330 | $ 162
Net amounts presented in Current Assets: Other | 193 | 83
Net amounts presented in Other Noncurrent Assets: Other | 64 | 48
Duke Energy Carolinas | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 226 | 99
Gross amounts offset | (33) | (16)
Duke Energy Carolinas | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 104 | 63
Gross amounts offset | (40) | (15)
Progress Energy |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 248 | 124
Net amounts presented in Current Assets: Other | 110 | 65
Net amounts presented in Other Noncurrent Assets: Other | 51 | 42
Progress Energy | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 140 | 74
Gross amounts offset | (30) | (9)
Progress Energy | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 108 | 50
Gross amounts offset | (57) | (8)
Duke Energy Progress |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 230 | 124
Net amounts presented in Current Assets: Other | 92 | 65
Net amounts presented in Other Noncurrent Assets: Other | 51 | 42
Duke Energy Progress | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 122 | 74
Gross amounts offset | (30) | (9)
Duke Energy Progress | Noncurrent assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 108 | 50
Gross amounts offset | (57) | (8)
Duke Energy Florida |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 17 |
Net amounts presented in Current Assets: Other | 17 |
Duke Energy Florida | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 17 |
Duke Energy Ohio |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 5 | 2
Net amounts presented in Current Assets: Other | 5 | 2
Duke Energy Ohio | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 5 | 2
Duke Energy Indiana |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | 110 | 23
Net amounts presented in Current Assets: Other | 110 | 23
Duke Energy Indiana | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized | $ 110 | 23
Piedmont |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | 3
Net amounts presented in Current Assets: Other |  | 3
Piedmont | Current Assets |  |
Offsetting Derivative Assets [Abstract] |  |
Gross amounts recognized |  | $ 3

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