2.4.0.8030501 - Disclosure - Commitments and Contingencies (Table)truefalsefalse1false falsefalseFROM_Jan01_2013_TO_Jun30_2013http://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:002false falsefalseFROM_Jan01_2012_TO_Jun30_2012http://www.sec.gov/CIK0001326160duration2012-01-01T00:00:002012-06-30T00:00:001true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]2false 4duk_AccrualForEnvironmentalLossContingenciesTableTextBlockduk_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 6px"><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: 146px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:146px;"> </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: 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:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; 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:166px;">Balance at December 31, 2012</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;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 75</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 12</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:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 33</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 14</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:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 19</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 15</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:left;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;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:166px;">Provisions / adjustments</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: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 4</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 4</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 1</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 3</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> (1)</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 1</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:166px;">Cash reductions</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: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (12)</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:left;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: 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: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (3)</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:left;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)</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:left;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;"> (2)</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:left;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;"> (6)</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:left;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;"> (2)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:166px;">Balance at June 30, 2013</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;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;border-color:#000000;min-width:50px;"> 67</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 12</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 34</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 14</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 20</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 7</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: 146px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:146px;"> </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: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;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: 12px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 146px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:146px;"> </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: 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:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;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: 166px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:166px;">(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;">Duke Energy</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Duke Energy Carolinas</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Progress Energy</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Duke Energy Progress</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Duke Energy Florida</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Duke Energy Ohio</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;">Duke Energy Indiana</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; 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:166px;">Balance at December 31, 2011</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;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 61</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 12</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:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 23</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 11</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:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;">$</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;"> 28</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:left;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;"> 9</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:166px;">Provisions / adjustments</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: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 7</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 1</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 17</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 4</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 13</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 4</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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:50px;"> 1</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:166px;">Cash reductions</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: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (14)</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:left;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: 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: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> (6)</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:left;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)</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:left;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;"> (5)</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:left;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;"> (10)</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:left;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)</td></tr><tr style="height: 12px"><td colspan="2" style="width: 166px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:166px;">Balance at June 30, 2012</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;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;border-color:#000000;min-width:50px;"> 54</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 13</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 34</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 14</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 20</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;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:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 22</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 12px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:left;border-color:#000000;min-width:12px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:2px;text-align:right;border-color:#000000;min-width:50px;"> 9</td></tr><tr style="height: 6px"><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: 146px; border-top-style:solid;border-top-width:2px;text-align:left;border-color:#000000;min-width:146px;"> </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: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;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:left;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:2px;text-align:right;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalsenonnum:textBlockItemTypenaAccrual For Environmental Loss ContingenciesNo definition available.false0Accrual For Environmental Loss Contingencies3false 4duk_AdditionalPossibleEnvironmentalLossInExcessOfReservesTableTextBlockduk_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 4px"><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: 387px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:387px;"> </td><td style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:60px;"> </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: 45px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:60px;"> </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: 407px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:407px;">(in millions)</td><td colspan="2" style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:110px;"> </td><td style="width: 45px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:45px;"> </td><td colspan="2" style="width: 110px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:110px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:407px;">Duke Energy</td><td style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </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: 45px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;">$</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 57</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; text-align:left;border-color:#000000;min-width:407px;">Duke Energy Carolinas</td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 29</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:407px;">Progress Energy</td><td style="width: 60px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 6</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; text-align:left;border-color:#000000;min-width:407px;">Duke Energy Progress</td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 3</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:407px;">Duke Energy Florida</td><td style="width: 60px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 3</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; text-align:left;border-color:#000000;min-width:407px;">Duke Energy Ohio</td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; text-align:left;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 17</td></tr><tr style="height: 12px"><td colspan="2" style="width: 407px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:407px;">Duke Energy Indiana</td><td style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td><td style="width: 45px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; border-bottom-style:solid;border-bottom-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:60px;"> </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;"> 5</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 387px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:387px;"> </td><td style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:60px;"> </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: 45px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:45px;"> </td><td style="width: 60px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:60px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaNo authoritative reference available.No definition available.false0Schedule of Additional Possible Losses in Excess of Recorded Environmental Reserves4false 4duk_CostsOfNewControlEquipmentEstimateTableTextBlockduk_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 528px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:528px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:50px;"> </td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:12px;"> </td><td style="width: 50px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:548px;">(in millions)</td><td colspan="4" style="width: 124px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:center;border-color:#000000;min-width:124px;">Range</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:548px;">Duke Energy</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:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 650</td><td style="width: 12px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:12px;">-</td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 800</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; text-align:left;border-color:#000000;min-width:548px;">Duke Energy Carolinas</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;"> 65</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;">-</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 85</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:548px;">Progress Energy</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;"> 7</td><td style="width: 12px; text-align:center;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;"> 30</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; text-align:left;border-color:#000000;min-width:548px;">Duke Energy Progress</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;"> 5</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;">-</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 10</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:548px;">Duke Energy Florida</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:center;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;"> 20</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; text-align:left;border-color:#000000;min-width:548px;">Duke Energy Ohio</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;"> 40</td><td style="width: 12px; text-align:center;border-color:#000000;min-width:12px;">-</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 85</td></tr><tr style="height: 12px"><td colspan="2" style="width: 548px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:548px;">Duke Energy Indiana</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;"> 540</td><td style="width: 12px; border-bottom-style:solid;border-bottom-width:1px;text-align:center;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;"> 600</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 528px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:528px;"> </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: 50px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of estimated costs of complying with recently issued and proposed EPA regulationsNo definition available.false0Estimated Costs of Complying With Recently Issued and Proposed EPA Regulations5false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349 false0Schedule of Litigation Reserves and Related Insurance Recoveries6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyCarolinasMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDuke Energy Carolinas [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_DukeEnergyCarolinasMemberdei_LegalEntityAxisexplicitMembernanafalse0Duke Energy Carolinas [Member]7true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]8false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349 false0Schedule of Litigation Reserves and Related Insurance Recoveries9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse4false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_ProgressEnergyMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseProgress Energy [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_ProgressEnergyMemberdei_LegalEntityAxisexplicitMembernanafalse0Progress Energy [Member]10true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]11false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349 false0Schedule of Litigation Reserves and Related Insurance Recoveries12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyProgressMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDuke Energy Progress [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_DukeEnergyProgressMemberdei_LegalEntityAxisexplicitMembernanafalse0Duke Energy Progress [Member]13true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]14false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349 false0Schedule of Litigation Reserves and Related Insurance Recoveries15false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse6false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyFloridaMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDuke Energy Florida [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_DukeEnergyFloridaMemberdei_LegalEntityAxisexplicitMembernanafalse0Duke Energy Florida [Member]16true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]17false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14435-108349 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14453-108349 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14394-108349 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14472-108349 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12021-110248 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12053-110248 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14557-108349 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14615-108349 false0Schedule of Litigation Reserves and Related Insurance Recoveries18false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse7false truefalseFROM_Jan01_2013_TO_Jun30_2013_dei_LegalEntityAxis_DukeEnergyIndianaMemberhttp://www.sec.gov/CIK0001326160duration2013-01-01T00:00:002013-06-30T00:00:00falsefalseDuke Energy Indiana [Member]dei_LegalEntityAxisxbrldihttp://xbrl.org/2006/xbrldiduk_DukeEnergyIndianaMemberdei_LegalEntityAxisexplicitMembernanafalse0Duke Energy Indiana [Member]19true 3us-gaap_ValuationAndQualifyingAccountsDisclosureLineItemsus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Valuation and Qualifying Accounts Disclosure [Line Items]20false 4us-gaap_ScheduleOfLossContingenciesByContingencyTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00<div><table style="border-collapse:collapse;margin-top:20px;"><tr style="height: 5px"><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: 430px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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: 450px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:left;border-color:#000000;min-width:450px;">(in millions)</td><td colspan="2" style="width: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">June 30, 2013</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: 105px; border-top-style:solid;border-top-width:1px;border-bottom-style:solid;border-bottom-width:1px;text-align:right;border-color:#000000;min-width:105px;">December 31, 2012</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; border-top-style:solid;border-top-width:1px;text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Reserves for Legal and Other Matters(a)</td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;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: 55px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; border-top-style:solid;border-top-width:1px;text-align:center;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> </td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy(b)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 871</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 846</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Carolinas(b)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 732</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 751</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Progress Energy</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 73</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 79</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Progress</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 10</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 12</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Florida(c)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 42</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 47</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy Indiana</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 8</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Probable Insurance Recoveries(d)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; text-align:right;border-color:#000000;min-width:55px;"> </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: 450px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:450px;">Duke Energy(e)</td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;background-color:#CEE8E6;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:55px;">$</td><td style="width: 50px; text-align:right;background-color:#CEE8E6;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td colspan="2" style="width: 450px; text-align:left;border-color:#000000;min-width:450px;">Duke Energy Carolinas(e)</td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td><td style="width: 12px; text-align:left;border-color:#000000;min-width:12px;"> </td><td style="width: 55px; text-align:right;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:right;border-color:#000000;min-width:50px;"> 781</td></tr><tr style="height: 12px"><td style="width: 20px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; border-top-style:solid;border-top-width:1px;text-align:right;border-color:#000000;min-width:55px;"> </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: 55px; border-top-style:solid;border-top-width:1px;text-align:left;border-color:#000000;min-width:55px;"> </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 style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(a)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Reserves are classified in the respective Condensed Consolidated Balance Sheets in Other within Deferred Credits and Other Liabilities and Other within Current Liabilities.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(b)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes reserves for asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(c)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Includes workers' compensation claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(d)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Insurance recoveries are classified in the respective Condensed Consolidated Balance Sheets in Other within Investments and Other Assets and Receivables. </td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;">(e)</td><td colspan="6" style="width: 652px; text-align:left;border-color:#000000;min-width:652px;">Relates to recoveries associated with aforementioned asbestos-related injuries and damages claims.</td></tr><tr style="height: 12px"><td style="width: 20px; text-align:left;border-color:#000000;min-width:20px;"> </td><td style="width: 430px; text-align:left;border-color:#000000;min-width:430px;"> </td><td style="width: 55px; text-align:left;border-color:#000000;min-width:55px;"> </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: 55px; text-align:left;border-color:#000000;min-width:55px;"> </td><td style="width: 50px; text-align:left;border-color:#000000;min-width:50px;"> </td></tr></table></div>falsefalsefalse2falsefalsefalse00falsefalsefalsenonnum:textBlockItemTypenaTabular disclosure of the loss contingencies that were reported in the period or disclosed as of the balance sheet date.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 5 -Paragraph 9-12, 22-40 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. 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