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Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 8,218 | $ 7,532
Revenue from sources other than contracts with customers | 31 | 139
Total operating revenues | 8,249 | 7,671
Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7,053 | 6,678
Total operating revenues | 7,125 | 6,785
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,403 | 3,115
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,921 | 1,934
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 823 | 822
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 670 | 554
Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 236 | 253
Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,157 | 847
Total operating revenues | 1,116 | 879
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 706 | 520
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 322 | 240
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 55 | 47
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 74 | 40
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 8 |
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 7
Duke Energy Carolinas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,491 | 2,352
Revenue from sources other than contracts with customers | 33 | 55
Total operating revenues | 2,524 | 2,407
Duke Energy Carolinas | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,491 | 2,352
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,127 | 1,058
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 701 | 717
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 334 | 340
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 149 | 138
Duke Energy Carolinas | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 180 | 99
Duke Energy Carolinas | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Carolinas | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Duke Energy Carolinas | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Progress Energy |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,408 | 3,153
Revenue from sources other than contracts with customers | 59 | 75
Total operating revenues | 3,467 | 3,228
Progress Energy | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,408 | 3,153
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,614 | 1,517
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 845 | 866
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 267 | 266
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 443 | 355
Progress Energy | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 239 | 149
Progress Energy | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Progress Energy | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Progress Energy | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Duke Energy Progress |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,995 | 1,745
Revenue from sources other than contracts with customers | 23 | 43
Total operating revenues | 2,018 | 1,788
Duke Energy Progress | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,995 | 1,745
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 820 | 742
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 415 | 422
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 193 | 177
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 404 | 326
Duke Energy Progress | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 163 | 78
Duke Energy Progress | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Progress | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Duke Energy Progress | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Duke Energy Florida |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,413 | 1,408
Revenue from sources other than contracts with customers | 31 | 28
Total operating revenues | 1,444 | 1,436
Duke Energy Florida | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,413 | 1,408
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 794 | 775
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 430 | 444
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 74 | 89
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 39 | 29
Duke Energy Florida | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 76 | 71
Duke Energy Florida | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Florida | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Duke Energy Florida | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Duke Energy Ohio |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 775 | 693
Revenue from sources other than contracts with customers | (9) | (15)
Total operating revenues | 766 | 678
Duke Energy Ohio | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 497 | 473
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 282 | 253
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 142 | 152
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 33 | 32
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 22 | 14
Duke Energy Ohio | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 18 | 22
Duke Energy Ohio | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 278 | 220
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 186 | 147
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 70 | 57
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 16 | 11
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Ohio | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 6 | 5
Duke Energy Ohio | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Duke Energy Ohio | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Duke Energy Indiana |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 855 | 753
Revenue from sources other than contracts with customers | 3 | 6
Total operating revenues | 858 | 759
Duke Energy Indiana | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 855 | 753
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 379 | 287
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 233 | 201
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 187 | 183
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 57 | 48
Duke Energy Indiana | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | (1) | 34
Duke Energy Indiana | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 |
Duke Energy Indiana | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | 0
Piedmont |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 888 | 637
Revenue from sources other than contracts with customers | (31) | 39
Total operating revenues | 857 | 676
Piedmont | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Piedmont | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 888 | 637
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 520 | 373
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 252 | 183
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 39 | 38
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 24 | 8
Piedmont | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 53 | 35
Piedmont | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 0 |
Piedmont | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers |  | $ 0

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