2.4.0.8010701 - Disclosure - Goodwill, Intangible Assets & Impairmentstruefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_GoodwillAndIntangibleAssetsDisclosureAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Goodwill [Abstract]2false 2us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse007. GOODWILL<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 12px"><td colspan="2" style="width: 362px; text-align:left;border-color:#000000;min-width:362px;">GOODWILL</td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 342px; text-align:left;border-color:#000000;min-width:342px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="13" style="width: 672px; text-align:left;border-color:#000000;min-width:672px;">The following tables present goodwill by reportable operating segment for Duke Energy and Duke Energy Ohio.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 342px; text-align:left;border-color:#000000;min-width:342px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; text-align:left;border-color:#000000;min-width:362px;">Duke Energy</td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 342px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:342px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:362px;">(in millions)</td><td colspan="2" style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;">USFE&G</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:75px;">Commercial Power</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:75px;">International Energy</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;">Total</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:362px;">Balance at December 31, 2012</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; text-align:left;border-color:#000000;min-width:362px;">Goodwill</td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 15,950</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 933</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 353</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 17,236</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:362px;">Accumulated impairment charges</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (871)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (871)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:362px;">Balance at December 31, 2012, as adjusted for accumulated impairment charges</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 15,950</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 62</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 353</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 16,365</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:362px;">Acquisitions (a)</td><td style="width: 12px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 2</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 2</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (5)</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (1)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:362px;">Foreign exchange and other changes</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (2)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (17)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (19)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:362px;">Balance at June 30, 2013</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:362px;">Goodwill</td><td style="width: 12px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 15,950</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 935</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 331</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 17,216</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:362px;">Accumulated impairment charges</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (871)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (871)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 362px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:362px;">Balance at June 30, 2013, as adjusted for accumulated impairment charges</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 15,950</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 64</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 331</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 16,345</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 342px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:342px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="12" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Amounts represent purchase price adjustments related to the Progress Energy merger at USFE&G, a minor renewables acquisition at Commercial Power and the Ibener acquisition at International Energy. See Note 2 for further information on purchase price adjustments related to the Progress Energy Merger.</td></tr></table></div><div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 12px"><td colspan="2" style="width: 436px; text-align:left;border-color:#000000;min-width:436px;">Duke Energy Ohio</td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td style="width: 20px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 416px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:416px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:436px;">(in millions)</td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:75px;">Franchised Electric & Gas</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 75px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:75px;">Commercial Power</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td colspan="2" style="width: 62px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:62px;">Total</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:436px;">Balance at December 31, 2012</td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; text-align:left;border-color:#000000;min-width:436px;">Goodwill</td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 1,137</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 1,188</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 2,325</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:436px;">Accumulated impairment charges</td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (216)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (1,188)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (1,404)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:436px;">Balance at December 31, 2012, as adjusted for accumulated impairment charges</td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 921</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 921</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:436px;">Foreign exchange and other changes</td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (1)</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (1)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:436px;">Balance at June 30, 2013</td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:436px;">Goodwill</td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 1,136</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 1,188</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 2,324</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:436px;">Accumulated impairment charges</td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (216)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (1,188)</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (1,404)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 436px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:436px;">Balance at June 30, 2013, as adjusted for accumulated impairment charges</td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 920</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:25px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> ―</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 920</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 416px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:416px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 25px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:25px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>Progress EnergyProgress Energy had Goodwill of $3,655 million within the Franchised Electric operating segment as of June 30, 2013 and December 31, 2012, for which there were no accumulated impairment charges.falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain (loss) on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method for determining fair value, (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 42, 43, 44, 45, 46, 47 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0GoodwillfalseGoodwill, Intangible Assets & ImpairmentsUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.duke-energy.com/role/DisclosureGoodwillIntangibleAssetsImpairments12