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Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 7,532 | $ 7,101
Revenue from sources other than contracts with customers | 139 | 175
Total operating revenues | 7,671 | 7,276
Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 6,678 | 6,267
Total operating revenues | 6,785 | 6,381
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,115 | 2,851
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,934 | 1,831
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 822 | 891
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 554 | 550
Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 253 | 144
Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 847 | 827
Total operating revenues | 879 | 888
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 520 | 507
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 240 | 233
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 47 | 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 | 40 | 40
Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 7 | 7
Duke Energy Carolinas |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,352 | 1,921
Revenue from sources other than contracts with customers | 55 | 13
Total operating revenues | 2,407 | 1,934
Duke Energy Carolinas | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,352 | 1,921
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,058 | 824
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 717 | 588
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 340 | 296
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 138 | 135
Duke Energy Carolinas | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 99 | 78
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 | 0
Progress Energy |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,153 | 3,003
Revenue from sources other than contracts with customers | 75 | 45
Total operating revenues | 3,228 | 3,048
Progress Energy | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,153 | 3,003
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,517 | 1,421
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 866 | 841
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 266 | 272
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 355 | 348
Progress Energy | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 149 | 121
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 | 0
Duke Energy Progress |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,745 | 1,529
Revenue from sources other than contracts with customers | 43 | 4
Total operating revenues | 1,788 | 1,533
Duke Energy Progress | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,745 | 1,529
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 742 | 607
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 422 | 358
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 177 | 177
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 326 | 319
Duke Energy Progress | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 78 | 68
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 | 0
Duke Energy Florida |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,408 | 1,474
Revenue from sources other than contracts with customers | 28 | 36
Total operating revenues | 1,436 | 1,510
Duke Energy Florida | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,408 | 1,474
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 775 | 814
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 444 | 483
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 89 | 95
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 29 | 29
Duke Energy Florida | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 71 | 53
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 | 0
Duke Energy Ohio |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 693 | 711
Revenue from sources other than contracts with customers | (15) | (2)
Total operating revenues | 678 | 709
Duke Energy Ohio | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 473 | 476
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 253 | 234
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 152 | 135
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 32 | 71
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 14 | 9
Duke Energy Ohio | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 22 | 27
Duke Energy Ohio | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 220 | 235
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 147 | 162
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 57 | 58
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 11 | 9
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 | 5 | 6
Duke Energy Ohio | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 0 | 0
Duke Energy Indiana |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 753 | 966
Revenue from sources other than contracts with customers | 6 | 9
Total operating revenues | 759 | 975
Duke Energy Indiana | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 753 | 966
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 287 | 372
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 201 | 270
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 183 | 251
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 48 | 58
Duke Energy Indiana | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 34 | 15
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 | 0
Piedmont |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 637 | 599
Revenue from sources other than contracts with customers | 39 | 76
Total operating revenues | 676 | 675
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 | General |  |
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 | 637 | 599
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 373 | 345
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 183 | 175
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 38 | 37
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 8 | 23
Piedmont | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 35 | 19
Piedmont | Other |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 0 | $ 0

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