2.2.0.7 true Related Party Transactions 11601 - Disclosure - Related Party Transactions true false false false 1 USD true false false false Duke Energy Carolinas [Member] dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi duk_DukeEnergyCarolinasMember dei_LegalEntityAxis explicitMember Unit13 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 1 Duke Energy Carolinas [Member] 0 na true na na No definition available. false true false false false false false false false false false http://www.duke-energy.com/taxonomy/role/disclosurerelatedpartytransactions false 1 false false false false 0 0 false false false false 1 USD true false false false Duke Energy Carolinas [Member] dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi duk_DukeEnergyCarolinasMember dei_LegalEntityAxis explicitMember Unit13 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 2 Related Party Transaction 2 us-gaap_RelatedPartyTransactionsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <div> 16. Related Party Transactions Duke Energy Carolinas Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows: Assets/(Liabilities)   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="10%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="10%"> </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(a)</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(a)</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"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">150</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">149</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">21</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">34</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(203</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(177</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(16</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,355</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,025</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">Balances exclude assets or liabilities associated with money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $1 million is classified as Receivables and $149 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(195) million is classified as Accounts payable and $(8) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(170) million is classified as Accounts payable and $(7) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(3,443) million is classified as Deferred income taxes and $88 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(3,087) million is classified as Deferred income taxes and $62 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Carolinas is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $276 million and $203 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $744 million and $600 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Carolinas incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $7 million for each of the three months ended September 30, 2010 and 2009, respectively, and $19 million and $21 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Carolinas records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $1 million and $4 million for the three months ended September 30, 2010 and 2009, respectively, and $3 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. As discussed further in Note 5, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million and $2 million for the nine months ended September 30, 2010 and 2009, respectively. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million for each of the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Carolinas paid a $200 million dividend to its parent, Duke Energy. In June 2010, Duke Energy Carolinas paid a $150 million dividend to its parent, Duke Energy. Duke Energy Ohio Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">103</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">31</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">52</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(200</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(35</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,595</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,535</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $62 million is classified as Receivables and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $20 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(64) million is classified as Accounts payable, $(38) million is classified as Taxes accrued and $(4) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(191) million is classified as Accounts payable and $(9) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(1,586) million is classified as Deferred income taxes, $(30) million is classified as Other within Current Liabilities, and $21 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Ohio is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $99 million and $106 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $257 million and $312 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Ohio incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $5 million for each of the three months ended September 30, 2010 and 2009, and $14 million and $13 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Ohio records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as income associated with certain other recoveries of cost and its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other cost recoveries and other charged expenses, net were $3 million and $7 million for the three months ended September 30, 2010 and 2009, respectively, and $5 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $237 million at September 30, 2010 and $253 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">233</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">249</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million for each of the three months ended September 30, 2010 and 2009, and $12 million for each of the nine months ended September 30, 2010 and 2009. As discussed further in Note 5, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $1 million and insignificant for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and nine months ended September 30, 2010 and 2009. Duke Energy Ohio enters into certain derivative positions on behalf of DERS, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 7 for additional information. Duke Energy Indiana Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets (b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">49</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">16</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(89</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(127</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(28</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(20</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(841</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(679</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $45 million is classified as Receivables and $4 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $15 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balance at December 31, 2009 is classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(71) million is classified as Accounts payable and $(18) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Accounts payable on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(895) million is classified as Deferred income taxes and $54 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Indiana is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $90 million and $81 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $266 million and $259 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Indiana incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Indiana records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $307 million at September 30, 2010 and $316 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">305</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">314</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million and $3 million for the three months ended September 30, 2010 and 2009, respectively and $10 million and $9 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 5, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant and $1 million for the three months ended September 30, 2010 and 2009, respectively, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy. </div> false false false us-types:textBlockItemType textblock This element may be used for the entire related party transactions disclosure as a single block of text. Disclosure may include: the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 1-4 false 3 Duke Energy Ohio [Member] 0 na true na na No definition available. false true false false false false false false false false false http://www.duke-energy.com/taxonomy/role/disclosurerelatedpartytransactions false 1 false false false false 0 0 false false false false 2 USD true false false false Duke Energy Ohio [Member] dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi duk_DukeEnergyOhioMember dei_LegalEntityAxis explicitMember Unit13 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 4 Related Party Transaction 2 us-gaap_RelatedPartyTransactionsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <div> 16. Related Party Transactions Duke Energy Carolinas Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows: Assets/(Liabilities)   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="10%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="10%"> </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(a)</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(a)</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"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">150</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">149</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">21</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">34</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(203</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(177</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(16</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,355</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,025</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">Balances exclude assets or liabilities associated with money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $1 million is classified as Receivables and $149 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(195) million is classified as Accounts payable and $(8) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(170) million is classified as Accounts payable and $(7) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(3,443) million is classified as Deferred income taxes and $88 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(3,087) million is classified as Deferred income taxes and $62 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Carolinas is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $276 million and $203 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $744 million and $600 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Carolinas incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $7 million for each of the three months ended September 30, 2010 and 2009, respectively, and $19 million and $21 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Carolinas records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $1 million and $4 million for the three months ended September 30, 2010 and 2009, respectively, and $3 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. As discussed further in Note 5, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million and $2 million for the nine months ended September 30, 2010 and 2009, respectively. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million for each of the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Carolinas paid a $200 million dividend to its parent, Duke Energy. In June 2010, Duke Energy Carolinas paid a $150 million dividend to its parent, Duke Energy. Duke Energy Ohio Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">103</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">31</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">52</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(200</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(35</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,595</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,535</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $62 million is classified as Receivables and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $20 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(64) million is classified as Accounts payable, $(38) million is classified as Taxes accrued and $(4) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(191) million is classified as Accounts payable and $(9) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(1,586) million is classified as Deferred income taxes, $(30) million is classified as Other within Current Liabilities, and $21 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Ohio is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $99 million and $106 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $257 million and $312 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Ohio incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $5 million for each of the three months ended September 30, 2010 and 2009, and $14 million and $13 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Ohio records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as income associated with certain other recoveries of cost and its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other cost recoveries and other charged expenses, net were $3 million and $7 million for the three months ended September 30, 2010 and 2009, respectively, and $5 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $237 million at September 30, 2010 and $253 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">233</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">249</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million for each of the three months ended September 30, 2010 and 2009, and $12 million for each of the nine months ended September 30, 2010 and 2009. As discussed further in Note 5, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $1 million and insignificant for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and nine months ended September 30, 2010 and 2009. Duke Energy Ohio enters into certain derivative positions on behalf of DERS, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 7 for additional information. Duke Energy Indiana Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets (b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">49</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">16</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(89</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(127</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(28</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(20</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(841</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(679</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $45 million is classified as Receivables and $4 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $15 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balance at December 31, 2009 is classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(71) million is classified as Accounts payable and $(18) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Accounts payable on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(895) million is classified as Deferred income taxes and $54 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Indiana is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $90 million and $81 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $266 million and $259 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Indiana incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Indiana records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $307 million at September 30, 2010 and $316 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">305</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">314</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million and $3 million for the three months ended September 30, 2010 and 2009, respectively and $10 million and $9 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 5, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant and $1 million for the three months ended September 30, 2010 and 2009, respectively, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy. </div> false false false us-types:textBlockItemType textblock This element may be used for the entire related party transactions disclosure as a single block of text. Disclosure may include: the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 1-4 false 5 Duke Energy Indiana [Member] 0 na true na na No definition available. false true false false false false false false false false false http://www.duke-energy.com/taxonomy/role/disclosurerelatedpartytransactions false 1 false false false false 0 0 false false false false 3 USD true false false false Duke Energy Indiana [Member] dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi duk_DukeEnergyIndianaMember dei_LegalEntityAxis explicitMember Unit13 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 6 Related Party Transaction 2 us-gaap_RelatedPartyTransactionsDisclosureTextBlock us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <div> 16. Related Party Transactions Duke Energy Carolinas Duke Energy Carolinas engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows: Assets/(Liabilities)   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="10%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="10%"> </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(a)</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(a)</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"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">150</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">149</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">21</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">34</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(203</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(177</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(16</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,355</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(3,025</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">Balances exclude assets or liabilities associated with money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $1 million is classified as Receivables and $149 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(195) million is classified as Accounts payable and $(8) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(170) million is classified as Accounts payable and $(7) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(3,443) million is classified as Deferred income taxes and $88 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(3,087) million is classified as Deferred income taxes and $62 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Carolinas is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, employee benefits, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $276 million and $203 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Carolinas recorded governance and shared services expenses of $744 million and $600 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Carolinas incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $7 million for each of the three months ended September 30, 2010 and 2009, respectively, and $19 million and $21 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Carolinas records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $1 million and $4 million for the three months ended September 30, 2010 and 2009, respectively, and $3 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Carolinas participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. As discussed further in Note 5, Duke Energy Carolinas participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million and $2 million for the nine months ended September 30, 2010 and 2009, respectively. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and $1 million for each of the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Carolinas paid a $200 million dividend to its parent, Duke Energy. In June 2010, Duke Energy Carolinas paid a $150 million dividend to its parent, Duke Energy. Duke Energy Ohio Duke Energy Ohio engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets(b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">103</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">31</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">52</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(106</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(200</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(35</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(2</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,595</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,535</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $62 million is classified as Receivables and $41 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $20 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(64) million is classified as Accounts payable, $(38) million is classified as Taxes accrued and $(4) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $(191) million is classified as Accounts payable and $(9) million is classified as Other within Current Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009, are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(1,586) million is classified as Deferred income taxes, $(30) million is classified as Other within Current Liabilities, and $21 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Ohio is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $99 million and $106 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Ohio recorded governance and shared services expenses of $257 million and $312 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Ohio incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $5 million for each of the three months ended September 30, 2010 and 2009, and $14 million and $13 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Ohio records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as income associated with certain other recoveries of cost and its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other cost recoveries and other charged expenses, net were $3 million and $7 million for the three months ended September 30, 2010 and 2009, respectively, and $5 million and $12 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Ohio participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Ohio has been allocated accrued pension and other post-retirement benefit obligations of $237 million at September 30, 2010 and $253 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="12%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">233</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">249</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Ohio to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million for each of the three months ended September 30, 2010 and 2009, and $12 million for each of the nine months ended September 30, 2010 and 2009. As discussed further in Note 5, Duke Energy Ohio participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $1 million and insignificant for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three and nine months ended September 30, 2010 and 2009. Duke Energy Ohio enters into certain derivative positions on behalf of DERS, a consolidated affiliate of Duke Energy. These contracts are undesignated, thus the mark-to-market impacts of these contracts are reflected in Duke Energy Ohio's Condensed Consolidated Statements of Operations. See Note 7 for additional information. Duke Energy Indiana Duke Energy Indiana engages in related party transactions, which are generally performed at cost and in accordance with the applicable state and federal commission regulations. Balances due to or due from related parties included in the Condensed Consolidated Balance Sheets as of September 30, 2010 and December 31, 2009 are as follows:   <table border="0" cellspacing="0" cellpadding="0" width="84%" align="center"> <tr><td width="74%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">September  30, 2010(a)</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">December  31, 2009(a)</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current assets (b) </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">49</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">26</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-current assets(c) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">16</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Current liabilities(d) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(89</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(127</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr><td valign="top"> Non-current liabilities(e) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(28</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(20</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net deferred tax liabilities(f) </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(841</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(679</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">Balances exclude assets or liabilities associated with accrued pension and other post-retirement benefits, Cinergy Receivables and money pool arrangements as discussed below. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(b)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $45 million is classified as Receivables and $4 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. Of the balance at December 31, 2009, $15 million is classified as Receivables and $11 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(c)</td> <td valign="top" align="left">The balance at December 31, 2009 is classified as Other within Investments and Other Assets on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(d)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(71) million is classified as Accounts payable and $(18) million is classified as Taxes accrued on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Accounts payable on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(e)</td> <td valign="top" align="left">The balances at September 30, 2010 and December 31, 2009 are classified as Other within Deferred Credits and Other Liabilities on the Condensed Consolidated Balance Sheets. </td></tr></table> <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td width="4%"> </td> <td valign="top" width="4%" align="left">(f)</td> <td valign="top" align="left">Of the balance at September 30, 2010, $(895) million is classified as Deferred income taxes and $54 million is classified as Other within Current Assets on the Condensed Consolidated Balance Sheets. The balance at December 31, 2009 is classified as Deferred income taxes on the Condensed Consolidated Balance Sheets. </td></tr></table> Duke Energy Indiana is charged its proportionate share of corporate governance and other costs by an unconsolidated affiliate that is a consolidated affiliate of Duke Energy. Corporate governance and other shared services costs are primarily related to human resources, legal and accounting fees, as well as other third party costs. During the three months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $90 million and $81 million, respectively. During the nine months ended September 30, 2010 and 2009, Duke Energy Indiana recorded governance and shared services expenses of $266 million and $259 million, respectively. These amounts are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Duke Energy Indiana incurs expenses related to certain indemnification coverages through Bison, Duke Energy's wholly-owned captive insurance subsidiary. These amounts were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively, and are recorded in Operation, Maintenance and Other within Operating Expenses on the Condensed Consolidated Statements of Operations. Additionally, Duke Energy Indiana records income associated with the rental of office space to a consolidated affiliate of Duke Energy, as well as its proportionate share of certain charged expenses from affiliates of Duke Energy. Rental income and other charged expenses, net were $2 million for each of the three months ended September 30, 2010 and 2009, and $6 million and $7 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 13, Duke Energy Indiana participates in Duke Energy's qualified pension plan, non-qualified pension plan and other post-retirement benefit plans and is allocated its proportionate share of expenses associated with these plans. Additionally, Duke Energy Indiana has been allocated accrued pension and other post-retirement benefit obligations of $307 million at September 30, 2010 and $316 million at December 31, 2009. These amounts have been classified in the Condensed Consolidated Balance Sheets as follows:   <table border="0" cellspacing="0" cellpadding="0" width="92%" align="center"> <tr><td width="76%"> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="11%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">  </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">September 30, 2010</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">December 31, 2009</td> <td valign="bottom"> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom" colspan="6" align="center">(in millions)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other current liabilities</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Accrued pension and other post-retirement benefit costs</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">305</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">314</td> <td valign="bottom" nowrap="nowrap">  </td></tr></table> Additionally, as discussed in Note 10, certain trade receivables have been sold by Duke Energy Indiana to Cinergy Receivables, a consolidated entity formed by Cinergy. The proceeds obtained from the sales of receivables are largely cash but do include a subordinated note from Cinergy Receivables for a portion of the purchase price. The interest income associated with the subordinated note, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was $4 million and $3 million for the three months ended September 30, 2010 and 2009, respectively and $10 million and $9 million for the nine months ended September 30, 2010 and 2009, respectively. As discussed further in Note 5, Duke Energy Indiana participates in a money pool arrangement with Duke Energy and other Duke Energy subsidiaries. Interest income associated with money pool activity, which is recorded in Other Income and Expenses, net on the Condensed Consolidated Statements of Operations, was insignificant and $1 million for the three months ended September 30, 2010 and 2009, respectively, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. Interest expense associated with money pool activity, which is recorded in Interest Expense on the Condensed Consolidated Statements of Operations, was insignificant for each of the three months ended September 30, 2010 and 2009, and insignificant and $1 million for the nine months ended September 30, 2010 and 2009, respectively. In February 2010, Duke Energy Indiana received a $225 million capital contribution from its parent, Cinergy. In June 2010, Duke Energy Indiana received a $125 million capital contribution from its parent, Cinergy. </div> false false false us-types:textBlockItemType textblock This element may be used for the entire related party transactions disclosure as a single block of text. Disclosure may include: the nature of the relationship(s), a description of the transactions, the amount of the transactions, the effects of any change in the method of establishing the terms of the transaction from the previous period, stated interest rate, expiration date, terms and manner of settlement per the agreement with the related party, and amounts due to or from related parties. If the entity and one or more other entities are under common ownership or management control and this control affects the operating results or financial position, disclosure includes the nature of the control relationship even if there are no transactions between the entities. Disclosure may also include the aggregate amount of current and deferred tax expense for each statement of earnings presented where the entity is a member of a group that files a consolidated tax return, the amount of any tax related balances due to or from affiliates as of the date of each statement of financial position presented, the principal provisions of the method by which the consolidated amount of current and deferred tax expense is allocated to the members of the group and the nature and effect of any changes in that method. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 1-4 false 1 6 false UnKnown UnKnown UnKnown false true