2.4.0.8030701 - Disclosure - Goodwill (Tables)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:002false falsefalseFROM_Jan01_2012_TO_Dec31_2012http://www.sec.gov/CIK0001326160duration2012-01-01T00:00:002012-12-31T00:00:001true 3us-gaap_GoodwillLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Goodwill [Line Items]2false 4us-gaap_ScheduleOfGoodwillTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><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></table></div>falsefalsefalse2falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><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></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.Reference 1: 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 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 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. false0Goodwill By Reportable Operating Segment3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyOhioMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDuke Energy Ohio [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_DukeEnergyOhioMemberdei_LegalEntityAxisexplicitMembernanafalse0Duke Energy Ohio [Member]4true 3us-gaap_GoodwillLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Goodwill [Line Items]5false 4us-gaap_ScheduleOfGoodwillTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><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>falsefalsefalse2falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><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></table></div>falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule.Reference 1: 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 2: 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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e -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. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph c -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. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 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. false0Goodwill By Reportable Operating SegmentfalseGoodwill (Tables)UnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.duke-energy.com/role/DisclosureGoodwillTables25