2.2.0.7 false Organization and Basis of Presentation 10101 - Disclosure - Organization and Basis of Presentation true false false false 1 USD false false Unit13 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit12 Standard http://www.xbrl.org/2003/instance pure xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ 5 Organization and Basis of Presentation 3 us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false false false false 0 0 <div> 1. Organization and Basis of Presentation Organization. Duke Energy Corporation (collectively with its subsidiaries, Duke Energy) is an energy company primarily located in the Americas. Duke Energy operates in the United States (U.S.) primarily through its direct and indirect wholly-owned subsidiaries, Duke Energy Carolinas, LLC (Duke Energy Carolinas), Duke Energy Ohio, Inc. (Duke Energy Ohio), which includes Duke Energy Kentucky, Inc. (Duke Energy Kentucky), and Duke Energy Indiana, Inc. (Duke Energy Indiana), as well as in South America and Central America through International Energy. When discussing Duke Energy's condensed consolidated financial information, it necessarily includes the results of its three separate subsidiary registrants, Duke Energy Carolinas, Duke Energy Ohio and Duke Energy Indiana (collectively referred to as the Subsidiary Registrants), which, along with Duke Energy, are collectively referred to as the Duke Energy Registrants. The information in these combined notes relates to each of the Duke Energy Registrants as noted in the Index to the Combined Notes. However, none of the registrants makes any representation as to information related solely to Duke Energy or the subsidiaries of Duke Energy other than itself. See Note 2 for information related to reportable operating segments for each of the Duke Energy Registrants. These Unaudited Condensed Consolidated Financial Statements include, after eliminating intercompany transactions and balances, the accounts of the Duke Energy Registrants and all majority-owned subsidiaries where the respective Duke Energy Registrants have control and those variable interest entities (VIEs) where the respective Duke Energy Registrants are the primary beneficiary. These Unaudited Condensed Consolidated Financial Statements also reflect Duke Energy Carolinas' proportionate share of the Catawba Nuclear Station, as well as Duke Energy Ohio's proportionate share of certain generation and transmission facilities in Ohio, Indiana and Kentucky and Duke Energy Indiana's proportionate share of certain generation and transmission facilities. Duke Energy Carolinas generates, transmits, distributes and sells electricity in central and western North Carolina and western South Carolina. Duke Energy Carolinas is subject to the regulatory provisions of the North Carolina Utilities Commission (NCUC), the Public Service Commission of South Carolina (PSCSC), the U.S. Nuclear Regulatory Commission (NRC) and the Federal Energy Regulatory Commission (FERC). Substantially all of Duke Energy Carolinas' operations are regulated and qualify for regulatory accounting treatment. Duke Energy Ohio is a wholly-owned subsidiary of Cinergy Corp. (Cinergy), which is a wholly-owned subsidiary of Duke Energy. Duke Energy Ohio is a combination electric and gas public utility that provides service in the southwestern portion of Ohio and in northern Kentucky through its wholly-owned subsidiary Duke Energy Kentucky, as well as electric generation in parts of Ohio, Illinois, Indiana and Pennsylvania. Duke Energy Ohio's principal lines of business include generation, transmission and distribution of electricity, the sale of and/or transportation of natural gas, and energy marketing. Duke Energy Kentucky's principal lines of business include generation, transmission and distribution of electricity, as well as the sale of and/or transportation of natural gas. References herein to Duke Energy Ohio include Duke Energy Ohio and its subsidiaries. Duke Energy Ohio is subject to the regulatory provisions of the Public Utilities Commission of Ohio (PUCO), the Kentucky Public Service Commission (KPSC) and the FERC. As discussed further in Note 2, Duke Energy Ohio has two reportable operating segments, Franchised Electric and Gas and Commercial Power. Franchised Electric and Gas generates, transmits, distributes and sells electricity, as well as transports and sells natural gas. Substantially all of these operations are regulated and qualify for regulatory accounting treatment. Commercial Power's generation operations include generation assets located in Ohio that are dedicated to serve native load customers. These assets, as excess capacity allows, also generate revenues through sales outside the native load customer base, and such revenue is termed non -native. The passing of SB 221 in Ohio and the approval of Duke Energy Ohio's Electric Security Plan (ESP) by the PUCO in 2008 resulted in the approval of an enhanced recovery mechanism for certain rate riders associated with native load generation and Commercial Power applies regulatory accounting treatment to such riders. The remaining portion of Commercial Power's native load generation operations, revenues from which are reflected in rate riders for which the ESP does not specifically allow enhanced recovery, as well as all generation operations associated with non-native customers, including the Midwest gas-fired generation assets, do not qualify for regulatory accounting treatment as those operations do not meet the necessary accounting criteria. Despite certain portions of the Ohio native load operations not meeting the criteria for applying regulatory accounting treatment, all of Commercial Power's Ohio native load operations' rates are subject to approval by the PUCO, and thus these operations are referred to here-in as Commercial Power's regulated operations. Accordingly, these revenues and corresponding fuel and purchased power expenses are recorded in Regulated Electric within Operating Revenues and Fuel Used in Electric Generation and Purchased Power—Regulated within Operating Expense, respectively, on the respective Condensed Consolidated Statements of Operations. Duke Energy Indiana is a wholly-owned subsidiary of Cinergy. Duke Energy Indiana is an electric utility that provides service in north central, central, and southern Indiana. Its primary line of business is generation, transmission and distribution of electricity. Duke Energy Indiana is subject to the regulatory provisions of the Indiana Utility Regulatory Commission (IURC) and the FERC. The substantial majority of Duke Energy Indiana's operations are regulated and qualify for regulatory accounting treatment.   Basis of Presentation. These Unaudited Condensed Consolidated Financial Statements have been prepared in accordance with generally accepted accounting principles (GAAP) in the U.S. for interim financial information and with the instructions to Form 10-Q and Regulation S-X. Accordingly, these Unaudited Condensed Consolidated Financial Statements do not include all of the information and notes required by GAAP in the U.S. for annual financial statements. Because the interim Unaudited Condensed Consolidated Financial Statements and Notes do not include all of the information and notes required by GAAP in the U.S. for annual financial statements, the Unaudited Condensed Consolidated Financial Statements and other information included in this quarterly report should be read in conjunction with the respective Consolidated Financial Statements and Notes in Duke Energy's, Duke Energy Carolinas', Duke Energy Ohio's and Duke Energy Indiana's respective Form 10-K for the year ended December 31, 2009. These Unaudited Condensed Consolidated Financial Statements reflect all normal recurring adjustments that are, in the opinion of the respective company's management, necessary to fairly present the financial position and results of operations of each Duke Energy Registrant. Amounts reported in each Duke Energy Registrants' interim Unaudited Condensed Consolidated Statements of Operations are not necessarily indicative of amounts expected for the respective annual periods due to the effects of seasonal temperature variations on energy consumption, regulatory rulings, the timing of maintenance on electric generating units, changes in mark-to-market valuations, changing commodity prices and other factors. Effective with the adoption of new accounting rules related to transfers and servicing of financial assets and VIEs on January 1, 2010, Duke Energy began consolidating Cinergy Receivables Company LLC (Cinergy Receivables) as it was deemed to be its primary beneficiary. Cinergy Receivables is a bankruptcy remote, special purpose entity that is a wholly-owned limited liability company of Cinergy. Under the previous accounting rules, Cinergy Receivables met the criteria for qualified special purpose entities, and such entities were exempt from the consolidation requirements, thus Cinergy Receivables was not consolidated by any of the Duke Energy Registrants. Duke Energy Ohio, including Duke Energy Kentucky, and Duke Energy Indiana, sell, on a revolving basis, nearly all of their retail accounts receivables and a portion of their wholesale accounts receivable and related collections to Cinergy Receivables, but are not deemed to be the primary beneficiary, thus consolidation at such level is not required. Effective January 1, 2010, Duke Energy began reflecting the receivables sold to Cinergy Receivables on its Condensed Consolidated Balance Sheets. Duke Energy Ohio, including Duke Energy Kentucky, and Duke Energy Indiana, were deemed not to be the primary beneficiary of Cinergy Receivables, continue to meet the revised sales/derecognition criteria of the new accounting guidance and, accordingly, continue to account for the transfers of receivables to Cinergy Receivables as sales. See Note 10 for additional information. Use of Estimates. To conform to GAAP in the U.S., management makes estimates and assumptions that affect the amounts reported in the Unaudited Condensed Consolidated Financial Statements and Notes. Although these estimates are based on management's best available information at the time, actual results could differ. Unbilled Revenue. Revenues on sales of electricity and gas are recognized when either the service is provided or the product is delivered. Unbilled retail revenues are estimated by applying average revenue per kilowatt-hour or per thousand cubic feet (Mcf) for all customer classes to the number of estimated kilowatt-hours or Mcfs delivered but not billed. Unbilled wholesale energy revenues are calculated by applying the contractual rate per megawatt-hour (MWh) to the number of estimated MWh delivered but not yet billed. Unbilled wholesale demand revenues are calculated by applying the contractual rate per megawatt (MW) to the MW volume delivered but not yet billed. The amount of unbilled revenues can vary significantly from period to period as a result of numerous factors, including seasonality, weather, customer usage patterns and customer mix. As discussed above, effective with new accounting rules on January 1, 2010, Duke Energy began consolidating Cinergy Receivables. Accordingly, unbilled revenues which had been included in the sale of receivables to Cinergy Receivables prior to the effective date of the new accounting rules, and thus not reflected on Duke Energy's Condensed Consolidated Balance Sheets, are now included in Receivables on Duke Energy's Condensed Consolidated Balance Sheets. At September 30, 2010 and December 31, 2009, Duke Energy, Duke Energy Carolinas and Duke Energy Ohio had unbilled revenues within Restricted Receivables of Variable Interest Entities and Receivables on their respective Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="68%" align="center"> <tr><td width="68%"> </td> <td valign="bottom" width="13%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="13%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Duke Energy</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">621</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">460</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Duke Energy Carolinas</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">277</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">276</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Duke Energy Ohio(a) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">38</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">23</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table>   <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(a)</td> <td valign="top" align="left">Primarily relates to wholesale sales within the Commercial Power segment. </td></tr></table> Additionally, Duke Energy Ohio, including Duke Energy Kentucky, and Duke Energy Indiana sell, on a revolving basis, nearly all of their retail and wholesale accounts receivable to Cinergy Receivables. Duke Energy Ohio and Duke Energy Indiana meet the revised sales/derecognition criteria of the new accounting rules and, therefore, continue to account for the transfers of receivables to Cinergy Receivables as sales, and accordingly the receivables sold are not reflected on the Condensed Consolidated Balance Sheets of Duke Energy Ohio and Duke Energy Indiana. Receivables for unbilled revenues related to retail and wholesale accounts receivable at Duke Energy Ohio and Duke Energy Indiana included in the sales of accounts receivable to Cinergy Receivables at September 30, 2010 and December 31, 2009 were as follows:   <table border="0" cellspacing="0" cellpadding="0" width="68%" align="center"> <tr><td width="69%"> </td> <td valign="bottom" width="13%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="13%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Duke Energy Ohio</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">75</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">126</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Duke Energy Indiana</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">105</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">112</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> See Note 10 for additional information.   Asset Retirement Obligation. In the second quarter of 2010, Duke Energy Carolinas recorded a $1.5 billion correction of an error to reduce the nuclear decommissioning asset retirement obligation liability, with offsetting impacts to regulatory assets and property, plant and equipment. This correction had no impact on Duke Energy Carolinas' results of operations or cash flows. </div> 1. Organization and Basis of Presentation Organization. Duke Energy Corporation (collectively with its subsidiaries, Duke Energy) is an energy company false false false us-types:textBlockItemType textblock Description containing the entire organization, consolidation and basis of presentation of financial statements disclosure. May be provided in more than one note to the financial statements, as long as users are provided with an understanding of (1) the significant judgments and assumptions made by an enterprise in determining whether it must consolidate a VIE and/or disclose information about its involvement with a VIE, (2) the nature of restrictions on a consolidated VIE's assets reported by an enterprise in its statement of financial position, including the carrying amounts of such assets, (3) the nature of, and changes in, the risks associated with an enterprise's involvement with the VIE, and (4) how an enterprise's involvement with the VIE affects the enterprise's financial position, financial performance, and cash flows. Describes procedure if disclosures are provided in more than one note to the financial statements. 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