v2.4.0.6

Variable Interest Entities (Schedule Of Non-Consolidated VIEs) (Details) (USD $) In Millions, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Variable Interest Entity [Line Items] |  |  |  |
Investments in equity method unconsolidated affiliates | $ 478 |  | $ 483 |
Other Assets | 2,466 |  | 2,399 |
Intangibles | 356 |  | 372 |
Other Current Liabilities | 2,068 |  | 2,511 |
Deferred Credits and Other Liabilities | 26,332 |  | 26,442 |
Long-term Debt | 39,662 | [1] | 39,461 | [1]
Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in equity method unconsolidated affiliates | 293 |  | 292 |
Other Assets | 2 |  | 11 |
Intangibles | 102 |  | 104 |
Total Assets | 397 |  | 407 |
Other Current Liabilities | 1 |  | 3 |
Deferred Credits and Other Liabilities | 16 |  | 336 |
Total Liabilities | 17 |  | 339 |
Net Assets | 380 |  | 68 |
DukeNet [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in equity method unconsolidated affiliates | 117 |  | 118 |
Total Assets | 117 |  | 118 |
Net Assets | 117 |  | 118 |
Renewables [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in equity method unconsolidated affiliates | 149 |  | 147 |
Total Assets | 149 |  | 147 |
Net Assets | 149 |  | 147 |
Other VIEs [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Investments in equity method unconsolidated affiliates | 27 |  | 27 |
Other Assets | 2 |  | 2 |
Intangibles | 102 |  | 104 |
Total Assets | 131 |  | 133 |
Other Current Liabilities | 1 |  | 3 |
Deferred Credits and Other Liabilities | 16 |  | 17 |
Total Liabilities | 17 |  | 20 |
Net Assets | 114 |  | 113 |
FPC Capital I Trust [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets |  |  | 9 | [2]
Total Assets |  |  | 9 |
Deferred Credits and Other Liabilities |  |  | 319 | [2]
Total Liabilities |  |  | 319 |
Net Assets |  |  | (310) |
Duke Energy Carolinas [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 941 |  | 934 |
Other Current Liabilities | 409 |  | 490 |
Deferred Credits and Other Liabilities | 10,826 |  | 10,602 |
Long-term Debt | 8,740 | [3] | 8,741 | [3]
Progress Energy [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 531 |  | 530 |
Other Current Liabilities | 924 |  | 1,118 |
Deferred Credits and Other Liabilities | 9,586 |  | 9,755 |
Long-term Debt | 14,224 |  | 14,428 |
Progress Energy [Member] | FPC Capital I Trust [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets |  |  | 9 |
Deferred Credits and Other Liabilities |  |  | 274 |
Duke Energy Progress [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 269 |  | 251 |
Other Current Liabilities | 407 |  | 517 |
Deferred Credits and Other Liabilities | 6,572 |  | 6,451 |
Long-term Debt | 5,336 |  | 4,840 |
Duke Energy Florida [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 176 |  | 182 |
Other Current Liabilities | 461 |  | 534 |
Deferred Credits and Other Liabilities | 3,844 |  | 3,934 |
Long-term Debt | 4,894 |  | 5,320 |
Duke Energy Ohio [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 53 |  | 75 |
Intangibles | 124 |  | 129 |
Other Current Liabilities | 117 |  | 126 |
Deferred Credits and Other Liabilities | 2,475 |  | 2,473 |
Long-term Debt | 1,994 |  | 1,997 |
Duke Energy Ohio [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Accounts Receivable, Net | 115 |  | 97 |
Intangibles | 102 |  | 104 |
Total Assets | 217 |  | 201 |
Net Assets | 217 |  | 201 |
Duke Energy Indiana [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Other Assets | 130 |  | 122 |
Intangibles | 37 |  | 41 |
Other Current Liabilities | 146 |  | 165 |
Deferred Credits and Other Liabilities | 2,080 |  | 2,005 |
Long-term Debt | 3,702 |  | 3,702 |
Duke Energy Indiana [Member] | Variable Interest Entity, Not Primary Beneficiary [Member] |  |  |  |
Variable Interest Entity [Line Items] |  |  |  |
Accounts Receivable, Net | 135 |  | 116 |
Total Assets | 135 |  | 116 |
Net Assets | $ 135 |  | $ 116 |
[1] | Includes book value of Non-recourse long-term debt of variable interest entities of $1,255 million and $852 million March 31, 2013 and December 31, 2012, respectively.
[2] | The entire balance of Investments and other assets and $274 million of the Deferred credits and other liabilities balance applies to Progress Energy.
[3] | Includes book value of Non-recourse long-term debt of variable interest entities of $300 million at both March 31, 2013 and December 31, 2012, respectively.

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