v3.3.0.814

Derivatives and Hedging (Location and Fair Value Amounts of Derivatives Reflected in the Condensed Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | $ 33 | $ 351
Location and fair value amounts of derivatives (Liability) | 406 | 909
Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 26 | 210
Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 7 | 136
Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 257 | 573
Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 144 | 319
Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 22 | 339
Location and fair value amounts of derivatives (Liability) | 342 | 859
Interest Rate Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 11 | 12
Location and fair value amounts of derivatives (Liability) | 64 | 50
Designated As Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 1 |
Designated As Hedging Instrument [Member] | Interest Rate Contracts [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 1 | 10
Designated As Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 14 | 13
Designated As Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 41 | 29
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 17 | 18
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 15
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 3
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Investments And Other Assets, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 15
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 | 1
Location and fair value amounts of derivatives (Liability) | 242 | 307
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 174
Location and fair value amounts of derivatives (Liability) |  | 253
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 | 2
Location and fair value amounts of derivatives (Liability) | 100 | 91
Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits and Other Liabilities Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 111
Location and fair value amounts of derivatives (Liability) |  | 208
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 6 | 2
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 |
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 1 | 1
Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 8 | 7
Duke Energy Carolinas [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 33 | 19
Duke Energy Carolinas [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 25 | 14
Duke Energy Carolinas [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 8 | 5
Duke Energy Carolinas [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 33 | 19
Duke Energy Carolinas [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 25 | 14
Duke Energy Carolinas [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 8 | 5
Progress Energy [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 13 | 2
Location and fair value amounts of derivatives (Liability) | 309 | 371
Progress Energy [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 7 | 2
Progress Energy [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 6 |
Progress Energy [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 215 | 289
Progress Energy [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 89 | 82
Progress Energy [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 3 |
Location and fair value amounts of derivatives (Liability) | 306 | 369
Progress Energy [Member] | Interest Rate Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 10 | 2
Location and fair value amounts of derivatives (Liability) | 3 | 2
Progress Energy [Member] | Designated As Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) |  | 1
Progress Energy [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 1 |
Location and fair value amounts of derivatives (Liability) | 215 | 288
Progress Energy [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Location and fair value amounts of derivatives (Liability) | 91 | 80
Progress Energy [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 6 | 2
Progress Energy [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 |
Progress Energy [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 3 | 2
Duke Energy Progress [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Location and fair value amounts of derivatives (Liability) | 95 | 132
Duke Energy Progress [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Duke Energy Progress [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 77 | 109
Duke Energy Progress [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 18 | 23
Duke Energy Progress [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 93 | 132
Duke Energy Progress [Member] | Interest Rate Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Location and fair value amounts of derivatives (Liability) | 2 |
Duke Energy Progress [Member] | Designated As Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) |  | 1
Duke Energy Progress [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 77 | 108
Duke Energy Progress [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 16 | 23
Duke Energy Progress [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Duke Energy Progress [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 2 |
Duke Energy Florida [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 11 | 2
Location and fair value amounts of derivatives (Liability) | 209 | 239
Duke Energy Florida [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 5 | 2
Duke Energy Florida [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 6 |
Duke Energy Florida [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 138 | 180
Duke Energy Florida [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 71 | 59
Duke Energy Florida [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 3 |
Location and fair value amounts of derivatives (Liability) | 209 | 237
Duke Energy Florida [Member] | Interest Rate Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 8 | 2
Location and fair value amounts of derivatives (Liability) |  | 2
Duke Energy Florida [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 1 |
Location and fair value amounts of derivatives (Liability) | 138 | 180
Duke Energy Florida [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 2 |
Location and fair value amounts of derivatives (Liability) | 71 | 57
Duke Energy Florida [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 | 2
Duke Energy Florida [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 |
Duke Energy Florida [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) |  | 2
Duke Energy Ohio [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 | 341
Location and fair value amounts of derivatives (Liability) | 7 | 473
Duke Energy Ohio [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 | 204
Duke Energy Ohio [Member] | Investments And Other Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 137
Duke Energy Ohio [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 1 | 257
Duke Energy Ohio [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 6 | 216
Duke Energy Ohio [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 4 | 341
Location and fair value amounts of derivatives (Liability) |  | 467
Duke Energy Ohio [Member] | Interest Rate Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | $ 7 | 6
Duke Energy Ohio [Member] | Designated As Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) |  |
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | $ 4 | 1
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 28
Location and fair value amounts of derivatives (Liability) |  | 4
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Investments And Other Assets, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 26
Location and fair value amounts of derivatives (Liability) |  | 4
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Liabilities, Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 175
Location and fair value amounts of derivatives (Liability) |  | 252
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Deferred Credits and Other Liabilities Assets Held For Sale [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) |  | 111
Location and fair value amounts of derivatives (Liability) |  | 207
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Current Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 1 | 1
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member] | Interest Rate Contracts [Member] | Deferred Credits And Other Liabilities, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Liability) | 6 | 5
Duke Energy Indiana [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 12 | 14
Duke Energy Indiana [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 12 | 14
Duke Energy Indiana [Member] | Commodity Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | 12 | 14
Duke Energy Indiana [Member] | Not Designated as Hedging Instrument [Member] | Commodity Contracts [Member] | Current Assets, Other [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Location and fair value amounts of derivatives (Asset) | $ 12 | $ 14

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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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226000-175313 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=51814546&loc=SL51823488-111719 + Details
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