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Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 7,101 | $ 6,991
Revenue from sources other than contracts with customers | 175 | 20
Total operating revenues | 7,276 | 7,011
Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 6,267 | 5,971
Total operating revenues | 6,381 | 5,995
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 2,851 | 2,767
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,831 | 1,604
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 891 | 772
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 550 | 626
Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 144 | 202
Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 827 | 1,013
Total operating revenues | 888 | 1,009
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 507 | 572
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 233 | 269
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 47 | 57
Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 40 | 115
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 | 1,921 | 1,875
Revenue from sources other than contracts with customers | 13 | 13
Total operating revenues | 1,934 | 1,888
Duke Energy Carolinas | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,921 | 1,875
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 824 | 831
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 588 | 544
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 296 | 276
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 135 | 113
Duke Energy Carolinas | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 78 | 111
Progress Energy |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,003 | 2,986
Revenue from sources other than contracts with customers | 45 | 6
Total operating revenues | 3,048 | 2,992
Progress Energy | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 3,003 | 2,986
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,421 | 1,368
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 841 | 726
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 272 | 270
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 348 | 411
Progress Energy | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 121 | 211
Duke Energy Progress |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,529 | 1,631
Revenue from sources other than contracts with customers | 4 | 1
Total operating revenues | 1,533 | 1,632
Duke Energy Progress | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,529 | 1,631
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 607 | 624
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 358 | 325
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 177 | 194
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 319 | 349
Duke Energy Progress | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 68 | 139
Duke Energy Florida |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,474 | 1,355
Revenue from sources other than contracts with customers | 36 |
Total operating revenues | 1,510 | 1,355
Duke Energy Florida | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 1,474 | 1,355
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 814 | 744
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 483 | 401
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 95 | 76
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 29 | 62
Duke Energy Florida | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 53 | 72
Duke Energy Ohio |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 711 | 632
Revenue from sources other than contracts with customers | (2) | 6
Total operating revenues | 709 | 638
Duke Energy Ohio | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 476 | 406
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 234 | 211
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 135 | 116
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 71 | 35
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 9 | 23
Duke Energy Ohio | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 27 | 21
Duke Energy Ohio | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 235 | 226
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 162 | 149
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 58 | 64
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 9 | 7
Duke Energy Ohio | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 6 | 6
Duke Energy Indiana |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 966 | 807
Revenue from sources other than contracts with customers | 9 | 15
Total operating revenues | 975 | 822
Duke Energy Indiana | Electric Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 966 | 807
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 372 | 354
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 270 | 218
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 251 | 192
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 58 | 79
Duke Energy Indiana | Electric Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 15 | (36)
Piedmont |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 599 | 794
Revenue from sources other than contracts with customers | 76 | 11
Total operating revenues | 675 | 805
Piedmont | Gas Utilities and Infrastructure |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 599 | 794
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 345 | 423
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 175 | 204
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 37 | 50
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | 23 | 24
Piedmont | Gas Utilities and Infrastructure | Other revenues |  |
Disaggregation of Revenue [Line Items] |  |
Revenue from contracts with customers | $ 19 | $ 93

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