|
Derivatives and Hedging (Location and Fair Value Amounts of Derivatives Reflected in the Condensed Consolidated Balance Sheets) (Details) (USD $)
In Millions, unless otherwise specified
|
Sep. 30, 2014
|
Dec. 31, 2013
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
$ 570 |
$ 461 |
| Location and fair value amounts of derivatives (Liability) |
913 |
636 |
|
Current Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
388 |
214 |
|
Investments And Other Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
175 |
233 |
|
Current Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
583 |
322 |
|
Deferred Credits And Other Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
314 |
299 |
|
Designated As Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
16 |
27 |
| Location and fair value amounts of derivatives (Liability) |
38 |
23 |
|
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) |
16 |
27 |
| Location and fair value amounts of derivatives (Liability) |
|
|
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
14 |
18 |
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
23 |
4 |
|
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) |
|
|
| Location and fair value amounts of derivatives (Liability) |
1 |
1 |
|
Not Designated as Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
554 |
434 |
| Location and fair value amounts of derivatives (Liability) |
875 |
613 |
|
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 (Asset) |
|
|
| 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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
5 |
4 |
|
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) |
36 |
201 |
| Location and fair value amounts of derivatives (Liability) |
|
158 |
|
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) |
2 |
|
| Location and fair value amounts of derivatives (Liability) |
2 |
|
|
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) |
9 |
215 |
| Location and fair value amounts of derivatives (Liability) |
|
131 |
|
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) |
9 |
|
| Location and fair value amounts of derivatives (Liability) |
2 |
|
|
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) |
4 |
13 |
| Location and fair value amounts of derivatives (Liability) |
123 |
153 |
|
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) |
346 |
|
| Location and fair value amounts of derivatives (Liability) |
445 |
|
|
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) |
|
5 |
| Location and fair value amounts of derivatives (Liability) |
37 |
166 |
|
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) |
148 |
|
| Location and fair value amounts of derivatives (Liability) |
260 |
|
|
Progress Energy [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
2 |
20 |
| Location and fair value amounts of derivatives (Liability) |
144 |
204 |
|
Progress Energy [Member] | Current Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
1 |
15 |
|
Progress Energy [Member] | Investments And Other Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
1 |
5 |
|
Progress Energy [Member] | Current Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
115 |
107 |
|
Progress Energy [Member] | Deferred Credits And Other Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
29 |
93 |
|
Progress Energy [Member] | Designated As Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
|
5 |
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
|
1 |
|
Progress Energy [Member] | 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) |
|
|
| Location and fair value amounts of derivatives (Liability) |
|
4 |
|
Progress Energy [Member] | Not Designated as Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
2 |
20 |
| Location and fair value amounts of derivatives (Liability) |
144 |
199 |
|
Progress Energy [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) |
|
3 |
| Location and fair value amounts of derivatives (Liability) |
|
2 |
|
Progress Energy [Member] | 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) |
|
2 |
| 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 |
11 |
| Location and fair value amounts of derivatives (Liability) |
115 |
105 |
|
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) |
1 |
4 |
| Location and fair value amounts of derivatives (Liability) |
29 |
91 |
|
Duke Energy Progress [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
3 |
6 |
| Location and fair value amounts of derivatives (Liability) |
48 |
71 |
|
Duke Energy Progress [Member] | Current Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
2 |
3 |
|
Duke Energy Progress [Member] | Investments And Other Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
1 |
3 |
|
Duke Energy Progress [Member] | Current Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
40 |
41 |
|
Duke Energy Progress [Member] | Deferred Credits And Other Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
8 |
30 |
|
Duke Energy Progress [Member] | Designated As Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
1 |
1 |
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
1 |
1 |
|
Duke Energy Progress [Member] | Not Designated as Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
3 |
6 |
| Location and fair value amounts of derivatives (Liability) |
47 |
70 |
|
Duke Energy Progress [Member] | 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) |
|
2 |
| 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 (Asset) |
2 |
2 |
| Location and fair value amounts of derivatives (Liability) |
39 |
40 |
|
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 (Asset) |
1 |
2 |
| Location and fair value amounts of derivatives (Liability) |
8 |
29 |
|
Duke Energy Florida [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
2 |
14 |
| Location and fair value amounts of derivatives (Liability) |
96 |
129 |
|
Duke Energy Florida [Member] | Current Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
1 |
12 |
|
Duke Energy Florida [Member] | Investments And Other Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
1 |
2 |
|
Duke Energy Florida [Member] | Current Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
75 |
66 |
|
Duke Energy Florida [Member] | Deferred Credits And Other Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
21 |
63 |
|
Duke Energy Florida [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) |
|
3 |
| 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 |
9 |
| Location and fair value amounts of derivatives (Liability) |
75 |
64 |
|
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) |
1 |
2 |
| Location and fair value amounts of derivatives (Liability) |
21 |
63 |
|
Duke Energy Ohio [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
564 |
391 |
| Location and fair value amounts of derivatives (Liability) |
778 |
390 |
|
Duke Energy Ohio [Member] | Current Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
381 |
186 |
|
Duke Energy Ohio [Member] | Investments And Other Assets, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
183 |
205 |
|
Duke Energy Ohio [Member] | Current Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
485 |
199 |
|
Duke Energy Ohio [Member] | Deferred Credits And Other Liabilities, Other [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Liability) |
293 |
186 |
|
Duke Energy Ohio [Member] | Not Designated as Hedging Instrument [Member]
|
|
|
| Derivatives, Fair Value [Line Items] |
|
|
| Location and fair value amounts of derivatives (Asset) |
564 |
391 |
| Location and fair value amounts of derivatives (Liability) |
778 |
390 |
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
|
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 (Asset) |
|
|
| Location and fair value amounts of derivatives (Liability) |
4 |
4 |
|
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) |
2 |
186 |
| Location and fair value amounts of derivatives (Liability) |
|
163 |
|
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) |
1 |
|
| Location and fair value amounts of derivatives (Liability) |
1 |
|
|
Duke Energy Ohio [Member] | 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) |
|
202 |
| Location and fair value amounts of derivatives (Liability) |
|
130 |
|
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) |
9 |
|
| Location and fair value amounts of derivatives (Liability) |
2 |
|
|
Duke Energy Ohio [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) |
|
36 |
|
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) |
378 |
|
| Location and fair value amounts of derivatives (Liability) |
484 |
|
|
Duke Energy Ohio [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) |
|
56 |
|
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) |
174 |
|
| Location and fair value amounts of derivatives (Liability) |
$ 287 |
|