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Derivatives and Hedging (Location and Fair Value Amounts of Derivatives Reflected in the Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative assets | $ 539 | $ 434
Derivative liabilities | 256 | 319
Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 180 | 267
Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 359 | 167
Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 112 | 145
Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 144 | 174
Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 183 | 109
Derivative liabilities | 189 | 242
Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 161 | 320
Derivative liabilities | 42 | 3
Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 195 | 5
Derivative liabilities | 25 | 74
Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 84 |
Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 26 |
Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 108
Derivative liabilities | 5 |
Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 52
Derivative liabilities | 2 |
Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 195 |
Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 25 | 35
Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 5
Derivative liabilities |  | 39
Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 93 | 49
Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 90 | 60
Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 70 | 108
Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 119 | 134
Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 3 | 110
Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 48 | 50
Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 12 | 2
Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 23 | 1
Duke Energy Carolinas |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 110 | 94
Derivative liabilities | 60 | 88
Duke Energy Carolinas | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 37 | 39
Duke Energy Carolinas | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 73 | 55
Duke Energy Carolinas | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 35 | 57
Duke Energy Carolinas | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 25 | 31
Duke Energy Carolinas | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 82 | 49
Derivative liabilities | 51 | 88
Duke Energy Carolinas | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 28 | 45
Derivative liabilities | 9 | 0
Duke Energy Carolinas | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Carolinas | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Carolinas | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Carolinas | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Carolinas | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Carolinas | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Carolinas | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Carolinas | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 37 | 20
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 45 | 29
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 35 | 57
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 16 | 31
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 19
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 28 | 26
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 9 | 0
Progress Energy |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 102 | 127
Derivative liabilities | 41 | 58
Progress Energy | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 36 | 72
Progress Energy | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 66 | 55
Progress Energy | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 21 | 34
Progress Energy | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 20 | 24
Progress Energy | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 78 | 49
Derivative liabilities | 21 | 56
Progress Energy | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 24 | 78
Derivative liabilities | 20 | 2
Progress Energy | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Progress Energy | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Progress Energy | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Progress Energy | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Progress Energy | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Progress Energy | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Progress Energy | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Progress Energy | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 33 | 17
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 45 | 32
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 10 | 32
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 11 | 24
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 3 | 55
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 21 | 23
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 11 | 2
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 9 | 0
Duke Energy Progress |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 91 | 109
Derivative liabilities | 25 | 57
Duke Energy Progress | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 33 | 61
Duke Energy Progress | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 58 | 48
Duke Energy Progress | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 10 | 33
Duke Energy Progress | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 15 | 24
Duke Energy Progress | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 78 | 49
Derivative liabilities | 21 | 56
Duke Energy Progress | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 13 | 60
Derivative liabilities | 4 | 1
Duke Energy Progress | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Progress | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Progress | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Progress | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Progress | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Progress | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Progress | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Progress | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 33 | 17
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 45 | 32
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 10 | 32
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 11 | 24
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 44
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 13 | 16
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 1
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 4 | 0
Duke Energy Florida |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 10 | 18
Derivative liabilities | 16 | 1
Duke Energy Florida | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 3 | 11
Duke Energy Florida | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 7 | 7
Duke Energy Florida | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 11 | 1
Duke Energy Florida | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 5 | 0
Duke Energy Florida | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Florida | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 10 | 18
Derivative liabilities | 16 | 1
Duke Energy Florida | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Florida | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Florida | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Florida | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Florida | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Florida | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Florida | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Florida | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 3 | 11
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 7 | 7
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 11 | 1
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 5 | 0
Duke Energy Ohio |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 1 | 1
Derivative liabilities | 1 | 1
Duke Energy Ohio | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 1 | 1
Duke Energy Ohio | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Ohio | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Ohio | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 1 | 1
Duke Energy Ohio | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 1 | 1
Derivative liabilities | 0 | 0
Duke Energy Ohio | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 1 | 1
Duke Energy Ohio | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Ohio | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Ohio | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Ohio | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Ohio | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Ohio | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Ohio | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Ohio | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 1 | 1
Duke Energy Ohio | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Ohio | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 1 | 1
Duke Energy Indiana |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 21 | 44
Derivative liabilities | 7 | 3
Duke Energy Indiana | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 21 | 44
Duke Energy Indiana | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Indiana | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 2 | 3
Duke Energy Indiana | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 5 | 0
Duke Energy Indiana | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 21 | 8
Derivative liabilities | 2 | 3
Duke Energy Indiana | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 36
Derivative liabilities | 5 | 0
Duke Energy Indiana | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Duke Energy Indiana | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Indiana | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Indiana | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Indiana | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Duke Energy Indiana | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Duke Energy Indiana | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Indiana | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 21 | 8
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 2 | 3
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 36
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 5 | 0
Piedmont |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 1
Derivative liabilities | 115 | 94
Piedmont | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 1
Piedmont | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Piedmont | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 24 | 16
Piedmont | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 91 | 78
Piedmont | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 1
Derivative liabilities | 115 | 94
Piedmont | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Piedmont | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Derivative liabilities | 0 | 0
Piedmont | Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Piedmont | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Piedmont | Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Piedmont | Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities | 0 |
Piedmont | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 |
Piedmont | Designated as Hedging Instruments | Foreign Currency Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Piedmont | Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets |  | 0
Derivative liabilities |  | 0
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 1
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 24 | 16
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 91 | 78
Piedmont | Not Designated as Hedging Instruments | Interest Rate Contracts | Current assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Piedmont | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Derivative assets | 0 | 0
Piedmont | Not Designated as Hedging Instruments | Interest Rate Contracts | Current liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | 0 | 0
Piedmont | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Derivative liabilities | $ 0 | $ 0

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