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v3.19.3.a.u2

Severance (Rollforward) (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 USD ($)
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | $ 205
Provision/adjustments | 24
Cash reductions | (188)
Balance, end of period | 41
Duke Energy Carolinas |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 100
Provision/adjustments | 4
Cash reductions | (93)
Balance, end of period | 11
Progress Energy |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 51
Provision/adjustments | 11
Cash reductions | (49)
Balance, end of period | 13
Duke Energy Progress |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 41
Provision/adjustments | 2
Cash reductions | (37)
Balance, end of period | 6
Duke Energy Florida |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 9
Provision/adjustments | 10
Cash reductions | (12)
Balance, end of period | 7
Duke Energy Ohio |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 2
Provision/adjustments | 1
Cash reductions | (2)
Balance, end of period | 1
Duke Energy Indiana |
Restructuring Reserve [Roll Forward] |
Balance, beginning of period | 2
Provision/adjustments | 1
Cash reductions | (1)
Balance, end of period | $ 2

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