v3.3.0.814

Acquisitions and Dispositions (Assets Held For Sale) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
(Loss) Income From Discontinued Operations, net of tax | $ (5) | $ 378 | $ 29 | $ (578)
Charge for settlement agreement |  |  | 53 |
Duke Energy Ohio [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
(Loss) Income From Discontinued Operations, net of tax | (2) | 413 | 23 | (597)
Charge for settlement agreement |  |  | 53 |
Midwest Generation Business [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
Operating Revenues |  | 620 | 543 | 1,233
(Loss) Gain on disposition | (5) | 460 | (42) | (847)
(Loss) Income before income taxes | (5) | 623 | 62 | (864)
Income tax (benefit) expense | (1) | 218 | 29 | (321)
(Loss) Income From Discontinued Operations, net of tax | (4) | 405 | 33 | (543)
Midwest Generation Business [Member] | Duke Energy Ohio [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
Operating Revenues |  | 536 | 412 | 853
(Loss) Gain on disposition | (4) | 466 | (48) | (878)
(Loss) Income before income taxes | (4) | 647 | 48 | (917)
Income tax (benefit) expense | (2) | 234 | 25 | (320)
Other Disposal Groups [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
(Loss) Income From Discontinued Operations, net of tax | $ (1) | $ (27) | (4) | $ (35)
Antitrust Lawsuit [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
Charge for settlement agreement |  |  | 81 |
Antitrust Lawsuit [Member] | Duke Energy Ohio [Member] |  |  |  |
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract] |  |  |  |
Charge for settlement agreement |  |  | $ 81 |

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