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Employee Benefit Plans (Expected Benefit Payments) (Details) $ in Millions | Dec. 31, 2023 USD ($)
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Pension Plan |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | $ 634
2025 | 624
2026 | 601
2027 | 582
2028 | 565
2029-2033 | 2,481
Pension Plan | Duke Energy Carolinas |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 176
2025 | 171
2026 | 162
2027 | 153
2028 | 146
2029-2033 | 590
Pension Plan | Progress Energy |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 180
2025 | 182
2026 | 177
2027 | 175
2028 | 171
2029-2033 | 779
Pension Plan | Duke Energy Progress |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 95
2025 | 97
2026 | 89
2027 | 87
2028 | 84
2029-2033 | 355
Pension Plan | Duke Energy Florida |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 84
2025 | 84
2026 | 86
2027 | 86
2028 | 86
2029-2033 | 420
Pension Plan | Duke Energy Ohio |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 31
2025 | 30
2026 | 30
2027 | 29
2028 | 29
2029-2033 | 131
Pension Plan | Duke Energy Indiana |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 45
2025 | 44
2026 | 43
2027 | 42
2028 | 42
2029-2033 | 200
Pension Plan | Piedmont |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 18
2025 | 16
2026 | 16
2027 | 15
2028 | 15
2029-2033 | 73
Other Post-Retirement Benefit Plans |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 57
2025 | 47
2026 | 42
2027 | 37
2028 | 34
2029-2033 | 124
Other Post-Retirement Benefit Plans | Duke Energy Carolinas |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 14
2025 | 11
2026 | 10
2027 | 8
2028 | 7
2029-2033 | 23
Other Post-Retirement Benefit Plans | Progress Energy |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 18
2025 | 17
2026 | 15
2027 | 14
2028 | 13
2029-2033 | 55
Other Post-Retirement Benefit Plans | Duke Energy Progress |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 11
2025 | 10
2026 | 9
2027 | 8
2028 | 8
2029-2033 | 32
Other Post-Retirement Benefit Plans | Duke Energy Florida |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 8
2025 | 7
2026 | 6
2027 | 6
2028 | 5
2029-2033 | 23
Other Post-Retirement Benefit Plans | Duke Energy Ohio |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 3
2025 | 3
2026 | 3
2027 | 2
2028 | 2
2029-2033 | 7
Other Post-Retirement Benefit Plans | Duke Energy Indiana |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 4
2025 | 3
2026 | 3
2027 | 3
2028 | 2
2029-2033 | 8
Other Post-Retirement Benefit Plans | Piedmont |
Defined Benefit Plan, Expected Future Benefit Payment [Abstract] |
2024 | 2
2025 | 2
2026 | 2
2027 | 2
2028 | 2
2029-2033 | $ 7

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