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Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Current income taxes |  |  |
Federal | $ (365) | $ 71 | $ 1
State | 31 | 1 | (8)
Foreign | 2 | 3 | 4
Total current income taxes | (332) | 75 | (3)
Deferred income taxes |  |  |
Federal | 858 | 319 | 328
State | 81 | 53 | (14)
Total deferred income taxes | 939 | 372 | 314
ITC amortization | (17) | (9) | (11)
Income tax expense from continuing operations | 590 | 438 | 300
Tax benefit from discontinued operations | (50) | (359) | (503)
Total income tax expense included in Consolidated Statements of Operations | 540 | 79 | (203)
Net operating loss carry forward | 523 | 214 | 550
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Domestic | 5,145 | 4,700 | 3,991
Foreign | 49 | 67 | 87
Income from continuing operations before income taxes | 5,194 | 4,767 | 4,078
Alternative minimum tax | 133 | 69 |
Duke Energy Carolinas |  |  |
Current income taxes |  |  |
Federal | 178 | 173 | (71)
State | 75 | 22 | (13)
Total current income taxes | 253 | 195 | (84)
Deferred income taxes |  |  |
Federal | 10 | (43) | 230
State | (25) | (7) | (16)
Total deferred income taxes | (15) | (50) | 214
ITC amortization | (12) | (4) | (4)
Income tax expense from continuing operations | 226 | 141 | 126
Total income tax expense included in Consolidated Statements of Operations | 226 | 141 | 126
Net operating loss carry forward | 47 | 2 | 97
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 2,109 | 1,611 | 1,726
Progress Energy |  |  |
Current income taxes |  |  |
Federal | 359 | 459 | (13)
State | 34 | 38 | (3)
Total current income taxes | 393 | 497 | (16)
Deferred income taxes |  |  |
Federal | (22) | (154) | 310
State | 59 | 38 | 59
Total deferred income taxes | 37 | (116) | 369
ITC amortization | (4) | (4) | (5)
Income tax expense from continuing operations | 426 | 377 | 348
Total income tax expense included in Consolidated Statements of Operations | 426 | 377 | 348
Net operating loss carry forward | 85 | 116 | 128
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 2,597 | 2,333 | 2,176
Duke Energy Progress |  |  |
Current income taxes |  |  |
Federal | 373 | 198 | 37
State | 40 | 4 |
Total current income taxes | 413 | 202 | 37
Deferred income taxes |  |  |
Federal | (215) | (69) | 118
State | (6) | 19 | 7
Total deferred income taxes | (221) | (50) | 125
ITC amortization | (3) | (3) | (4)
Income tax expense from continuing operations | 189 | 149 | 158
Total income tax expense included in Consolidated Statements of Operations | 189 | 149 | 158
Net operating loss carry forward | 66 | 59 | 9
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 1,353 | 1,147 | 1,166
Proceeds from sale of PTCs |  | 28 |
Duke Energy Florida |  |  |
Current income taxes |  |  |
Federal | 14 | 279 | (37)
State | (12) | 71 | (23)
Total current income taxes | 2 | 350 | (60)
Deferred income taxes |  |  |
Federal | 181 | (89) | 201
State | 86 |  | 84
Total deferred income taxes | 267 | (89) | 285
ITC amortization | (1) |  |
Income tax expense from continuing operations | 268 | 261 | 225
Total income tax expense included in Consolidated Statements of Operations | 268 | 261 | 225
Net operating loss carry forward | 30 | 5 | 111
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 1,329 | 1,277 | 1,134
Proceeds from sale of PTCs |  | 28 |
Duke Energy Ohio |  |  |
Current income taxes |  |  |
Federal | 52 | (46) | (2)
State | 3 | (3) | 1
Total current income taxes | 55 | (49) | (1)
Deferred income taxes |  |  |
Federal | 8 | 111 | (22)
State | 1 | 1 | 3
Total deferred income taxes | 9 | 112 | (19)
ITC amortization |  |  | (1)
Income tax expense from continuing operations | 64 | 63 | (21)
Total income tax expense included in Consolidated Statements of Operations | 64 | 63 | (21)
Net operating loss carry forward | 26 | 22 | 7
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 405 | 397 | 281
Duke Energy Indiana |  |  |
Current income taxes |  |  |
Federal | 70 | 10 | 38
State | 12 | 9 | 2
Total current income taxes | 82 | 19 | 40
Deferred income taxes |  |  |
Federal | (19) | 77 | (63)
State | 8 | 14 |
Total deferred income taxes | (11) | 91 | (63)
ITC amortization |  |  | (1)
Income tax expense from continuing operations | 71 | 110 | (24)
Total income tax expense included in Consolidated Statements of Operations | 71 | 110 | (24)
Net operating loss carry forward | 8 | 54 | 13
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | 512 | 607 | 113
Piedmont |  |  |
Current income taxes |  |  |
Federal | 40 | 44 | 32
State | (6) | 3 | 2
Total current income taxes | 34 | 47 | 34
Deferred income taxes |  |  |
Federal | 40 | 25 | 12
State | 21 | 12 | (7)
Total deferred income taxes | 61 | 37 | 5
Income tax expense from continuing operations | 95 | 84 | 39
Total income tax expense included in Consolidated Statements of Operations | 95 | 84 | 39
Net operating loss carry forward | 8 | 15 | 12
Duke Energy Income from Continuing Operations Before Income Taxes [Abstract] |  |  |
Income from continuing operations before income taxes | $ 508 | $ 463 | $ 362

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