2.2.0.25falsefalse30803 - Disclosure - Commitments and Contingencies (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2011 - 3/31/2011
USD ($)
USD ($) / shares
$Duration_1_1_2011_To_3_31_2011http://www.sec.gov/CIK0000093751duration2011-01-01T00:00:002011-03-31T00:00:00Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit15Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0stt_CommitmentsAndContingenciesAbstractsttfalsenadurationCommitments and contingencies.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringCommitments and contingencies.falsefalse3false0us-gaap_ScheduleOfRepurchaseAgreementsus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div> <div class="MetaData">
<table border="0" cellspacing="0" cellpadding="0" width="100%" align="center">
<tr><td width="80%"> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td>
<td> </td>
<td valign="bottom" width="3%"> </td>
<td> </td>
<td> </td>
<td> </td></tr>
<tr><td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>(In millions)</b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>March 31,<br />2011</b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center"><font style="font-family: Times New Roman;" class="_mt" size="1"><b>December 31,<br />2010</b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Aggregate fair value of indemnified securities financing</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>$</b></font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>350,286</b></font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2">$</font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">334,235</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Aggregate fair value of cash and securities held as collateral for indemnified securities financing</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>360,922</b></font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">343,410</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr bgcolor="#cceeff"><td valign="top">
<p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Aggregate fair value of collateral for indemnified securities financing invested in indemnified repurchase agreements</font><font style="font-family: Times New Roman;" class="_mt" size="1"><sup style="position: relative; bottom: 0.8ex; vertical-align: baseline;">(1)</sup></font><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>94,856</b></font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">89,069</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr>
<tr><td valign="top">
<p style="text-indent: -1em; margin-left: 1em;"><font style="font-family: Times New Roman;" class="_mt" size="2">Aggregate fair value of cash and securities held as collateral for indemnified repurchase agreements</font></p></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2"><b>99,434</b></font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"><b> </b></font></td>
<td valign="bottom"><font class="_mt" size="1"> </font></td>
<td valign="bottom"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td valign="bottom" align="right"><font style="font-family: Times New Roman;" class="_mt" size="2">93,294</font></td>
<td valign="bottom" nowrap="nowrap"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td></tr></table>
<p style="border-bottom: #000000 0.5pt solid; line-height: 8px; margin-top: 0px; width: 26%; margin-bottom: 2px;"> </p>
<table style="border-collapse: collapse;" class="MetaData" border="0" cellspacing="0" cellpadding="0" width="100%">
<tr><td valign="top" width="4%" align="left"><font style="font-family: Times New Roman;" class="_mt" size="2"> </font><font style="font-family: Times New Roman;" class="_mt" size="1"><sup style="position: relative; bottom: 0.8ex; vertical-align: baseline;">(1)</sup> </font><font style="font-family: Times New Roman;" class="_mt" size="2"> </font></td>
<td class="MetaData" valign="top" align="left">
<p align="left"><font style="font-family: Times New Roman;" class="_mt" size="2">We require the counterparty to the indemnified repurchase agreement to provide collateral in an amount equal to or in excess of 100% of the amount of the repurchase obligation. </font></p></td></tr></table></div> </div>(In millions)
March 31,2011
December 31,2010
Aggregate fair value of indemnified securitiesfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringThis element may be used as a block of text to disclose all information (including data and tables) about repurchase agreements. This block of text may be used to disclose information at an aggregated level instead of using the detailed elements.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 08
-Paragraph m
-Subparagraph 1
-Article 4
falsefalse12Commitments and Contingencies (Tables)UnKnownUnKnownUnKnownUnKnownfalsetrue