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Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | $ 6,606 | $ 5,667 | $ 13,648 | $ 11,761
Revenue from sources other than contracts with customers | 79 | 91 | 169 | 147
Total operating revenues | 6,685 | 5,758 | 13,817 | 11,908
Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 6,097 | 5,309 | 12,068 | 10,582
Total operating revenues | 6,126 | 5,328 | 12,121 | 10,601
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 2,625 | 2,336 | 5,392 | 4,798
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,817 | 1,513 | 3,421 | 2,932
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 824 | 705 | 1,596 | 1,367
Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 629 | 521 | 1,255 | 1,025
Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 202 | 234 | 404 | 460
Gas Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 424 | 299 | 1,437 | 1,060
Total operating revenues | 430 | 305 | 1,439 | 1,057
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 197 | 158 | 769 | 618
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 127 | 91 | 396 | 295
Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 34 | 30 | 91 | 80
Gas Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 66 | 20 | 181 | 67
Commercial Renewables |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 77 | 53 | 128 | 107
Total operating revenues | 121 | 119 | 242 | 238
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers |  |  | 15 |
Other |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 8 | 6 |  | 12
Duke Energy Carolinas |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,793 | 1,615 | 3,668 | 3,354
Revenue from sources other than contracts with customers | (12) | (5) | 1 | (28)
Total operating revenues | 1,781 | 1,610 | 3,669 | 3,326
Duke Energy Carolinas | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,793 | 1,615 | 3,668 | 3,354
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 736 | 683 | 1,567 | 1,476
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 566 | 498 | 1,110 | 1,000
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 296 | 256 | 572 | 512
Duke Energy Carolinas | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 103 | 116 | 216 | 230
Duke Energy Carolinas | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 92 | 62 | 203 | 136
Progress Energy |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 3,199 | 2,647 | 6,185 | 5,126
Revenue from sources other than contracts with customers | 15 | 32 | 21 | 58
Total operating revenues | 3,214 | 2,679 | 6,206 | 5,184
Progress Energy | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 3,199 | 2,647 | 6,185 | 5,126
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,400 | 1,216 | 2,768 | 2,378
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 889 | 720 | 1,615 | 1,344
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 274 | 229 | 544 | 436
Progress Energy | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 389 | 331 | 800 | 657
Progress Energy | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 247 | 151 | 458 | 311
Duke Energy Progress |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,575 | 1,324 | 3,206 | 2,710
Revenue from sources other than contracts with customers | 6 | 25 | 7 | 40
Total operating revenues | 1,581 | 1,349 | 3,213 | 2,750
Duke Energy Progress | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,575 | 1,324 | 3,206 | 2,710
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 530 | 478 | 1,154 | 1,038
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 370 | 330 | 695 | 636
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 184 | 160 | 378 | 305
Duke Energy Progress | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 281 | 285 | 630 | 577
Duke Energy Progress | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 210 | 71 | 349 | 154
Duke Energy Florida |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,624 | 1,323 | 2,979 | 2,416
Revenue from sources other than contracts with customers | 4 | 2 | 4 | 10
Total operating revenues | 1,628 | 1,325 | 2,983 | 2,426
Duke Energy Florida | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 1,624 | 1,323 | 2,979 | 2,416
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 870 | 738 | 1,614 | 1,340
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 519 | 390 | 920 | 708
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 90 | 69 | 166 | 131
Duke Energy Florida | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 108 | 46 | 170 | 80
Duke Energy Florida | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 37 | 80 | 109 | 157
Duke Energy Ohio |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 539 | 457 | 1,171 | 992
Revenue from sources other than contracts with customers | 6 | (1) | 12 | (4)
Total operating revenues | 545 | 456 | 1,183 | 988
Duke Energy Ohio | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 395 | 345 | 801 | 710
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 196 | 171 | 407 | 366
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 111 | 106 | 227 | 210
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 33 | 33 | 68 | 64
Duke Energy Ohio | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 35 | 13 | 58 | 26
Duke Energy Ohio | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 20 | 22 | 41 | 44
Duke Energy Ohio | Gas Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 144 | 112 | 370 | 282
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 94 | 69 | 243 | 179
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 38 | 27 | 102 | 75
Duke Energy Ohio | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 6 | 4 | 13 | 11
Duke Energy Ohio | Gas Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 6 | 12 | 12 | 17
Duke Energy Indiana |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 892 | 730 | 1,699 | 1,467
Revenue from sources other than contracts with customers | 26 | 5 | 41 | 13
Total operating revenues | 918 | 735 | 1,740 | 1,480
Duke Energy Indiana | Electric Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 892 | 730 | 1,699 | 1,467
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 296 | 265 | 650 | 578
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | General |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 251 | 190 | 469 | 379
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 220 | 189 | 412 | 356
Duke Energy Indiana | Electric Utilities and Infrastructure | Electric Utilities and Infrastructure | Wholesale |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 102 | 63 | 181 | 113
Duke Energy Indiana | Electric Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 23 | 23 | (13) | 41
Piedmont |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 288 | 197 | 1,082 | 795
Revenue from sources other than contracts with customers | 22 | 18 | 33 | 26
Total operating revenues | 310 | 215 | 1,115 | 821
Piedmont | Gas Utilities and Infrastructure |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 288 | 197 | 1,082 | 795
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Residential |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 103 | 88 | 526 | 439
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Commercial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 90 | 59 | 294 | 215
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Industrial |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 28 | 27 | 78 | 70
Piedmont | Gas Utilities and Infrastructure | Gas Utilities and Infrastructure | Power Generation |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | 23 | 24 | 47 | 46
Piedmont | Gas Utilities and Infrastructure | Other revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenue from contracts with customers | $ 44 | $ (1) | $ 137 | $ 25

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