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Derivatives and Hedging (Location and Fair Value Amounts of Derivatives Reflected in the Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | $ 434 | $ 189
Total Derivative Liabilities | 319 | 729
Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 267 | 61
Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 167 | 128
Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 145 | 409
Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 174 | 320
Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 109 | 82
Total Derivative Liabilities | 242 | 609
Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 320 | 63
Total Derivative Liabilities | 3 | 103
Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 74 | 17
Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 5 | 44
Foreign Currency Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 5 |
Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 108 | 31
Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 52 | 17
Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 25
Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 26
Designated as Hedging Instruments | Foreign Currency Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 35 |
Designated as Hedging Instruments | Foreign Currency Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 39 |
Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 49 | 25
Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 60 | 57
Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 108 | 354
Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 134 | 255
Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 110 | 5
Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 50 |
Not Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 2 | 13
Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 | 39
Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 10
Not Designated as Hedging Instruments | Foreign Currency Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 17
Not Designated as Hedging Instruments | Foreign Currency Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 44
Duke Energy Carolinas |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 94 | 35
Total Derivative Liabilities | 88 | 260
Duke Energy Carolinas | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 39 | 6
Duke Energy Carolinas | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 55 | 29
Duke Energy Carolinas | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 57 | 179
Duke Energy Carolinas | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 31 | 81
Duke Energy Carolinas | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 49 | 27
Total Derivative Liabilities | 88 | 244
Duke Energy Carolinas | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 45 | 8
Total Derivative Liabilities |  | 16
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 20 | 1
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 29 | 26
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 57 | 177
Duke Energy Carolinas | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 31 | 67
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 19 | 5
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 26 |
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 2
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 14
Duke Energy Carolinas | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 3
Progress Energy |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 127 | 34
Total Derivative Liabilities | 58 | 234
Progress Energy | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 72 | 3
Progress Energy | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 55 | 31
Progress Energy | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 34 | 149
Progress Energy | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 24 | 85
Progress Energy | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 49 | 34
Total Derivative Liabilities | 56 | 199
Progress Energy | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 78 |
Total Derivative Liabilities | 2 | 35
Progress Energy | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 0
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 17 | 3
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 32 | 31
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 32 | 138
Progress Energy | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 24 | 61
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 55 |
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 23 |
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 2 | 11
Progress Energy | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 24
Duke Energy Progress |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 109 | 32
Total Derivative Liabilities | 57 | 219
Duke Energy Progress | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 61 | 1
Duke Energy Progress | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 48 | 31
Duke Energy Progress | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 33 | 149
Duke Energy Progress | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 24 | 70
Duke Energy Progress | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 49 | 32
Total Derivative Liabilities | 56 | 199
Duke Energy Progress | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 60 |
Total Derivative Liabilities | 1 | 20
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 17 | 1
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 32 | 31
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 32 | 138
Duke Energy Progress | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 24 | 61
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 44 |
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 16 |
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 | 11
Duke Energy Progress | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 9
Duke Energy Florida |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 18 | 2
Total Derivative Liabilities | 1 | 15
Duke Energy Florida | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 11 | 2
Duke Energy Florida | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 7 |
Duke Energy Florida | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 |
Duke Energy Florida | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 15
Duke Energy Florida | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 2
Duke Energy Florida | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 18 |
Total Derivative Liabilities | 1 | 15
Duke Energy Florida | Foreign Currency Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 0
Duke Energy Florida | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 2
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 11 |
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 7 |
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 |
Duke Energy Florida | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities |  | 15
Duke Energy Ohio |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Total Derivative Liabilities | 1 | 1
Duke Energy Ohio | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Duke Energy Ohio | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 | 1
Duke Energy Ohio | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Duke Energy Ohio | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 | 1
Duke Energy Ohio | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Duke Energy Ohio | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 1 | 1
Duke Energy Indiana |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 44 | 25
Total Derivative Liabilities | 3 | 18
Duke Energy Indiana | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 44 | 18
Duke Energy Indiana | Noncurrent assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 7
Duke Energy Indiana | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 3 | 18
Duke Energy Indiana | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 8 | 18
Total Derivative Liabilities | 3 | 18
Duke Energy Indiana | Interest Rate Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 36 | 7
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 8 | 18
Duke Energy Indiana | Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 3 | 18
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 36 |
Duke Energy Indiana | Not Designated as Hedging Instruments | Interest Rate Contracts | Noncurrent |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets |  | 7
Piedmont |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Total Derivative Liabilities | 94 | 147
Piedmont | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Piedmont | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 16 | 20
Piedmont | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 78 | 127
Piedmont | Commodity Contracts |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Total Derivative Liabilities | 94 | 147
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Current Assets |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Assets | 1 | 1
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Current Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | 16 | 20
Piedmont | Not Designated as Hedging Instruments | Commodity Contracts | Noncurrent Liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Total Derivative Liabilities | $ 78 | $ 127

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- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-4B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-22 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483466/210-20-50-3 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483444/210-20-55-7 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (c)(2) -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481326/860-20-50-4D + Details
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