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2.2.0.25falsefalse30403 - Disclosure - Loans and Leases (Tables)truefalsefalse1falsefalseUSDfalsefalse1/1/2010 - 12/31/2010 USD ($) USD ($) / shares $Duration_1_1_2010_To_12_31_2010http://www.sec.gov/CIK0000093751duration2010-01-01T00:00:002010-12-31T00:00:00Unit15Standardhttp://xbrl.us/us-types/2009-01-31sqftxbrlus0Unit13Standardhttp://www.xbrl.org/2003/instancepurexbrli0Unit12Standardhttp://www.xbrl.org/2003/iso4217USDiso42170Unit1Standardhttp://www.xbrl.org/2003/instancesharesxbrli0Unit14Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$5false0us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlockus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="84%"> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="3%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom" nowrap="nowrap">(In millions)</td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2009</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Institutional:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Investment funds:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">5,316</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">4,834</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,478</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">547</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Commercial and financial:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">540</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">599</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Non-U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">190</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">120</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Purchased receivables:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">728</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">796</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Non-U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,471</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,596</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Lease financing:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">417</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">408</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Non-U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,053</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,308</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total institutional</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,193</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">10,208</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Commercial real estate:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> U.S. </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">764</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">600</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Total loans and leases</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,957</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">10,808</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Allowance for loan losses</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(100</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(79</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Loans and leases, net of allowance for loan losses</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">11,857</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">10,729</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>(In millions)    2010     2009   Institutional:      Investment funds:      falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringDisclosure itemizing the various types of trade accounts and notes receivable, and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. This disclosure may include (1) the basis at which such receivables are carried in the entity's statements of financial position (2) how the level of the valuation allowance for receivables is determined (3) when impairments, charge-offs or recoveries are recognized for such receiva bles (4) the treatment of origination fees and costs, including the amortization method for net deferred fees or costs (5) the treatment of any premiums or discounts or unearned income (6) the entity's income recognition policies for such receivables, including those that are impaired, past due or placed on nonaccrual status and (7) the treatment of foreclosures or repossessions (8) the nature and amount of any guarantees to repurchase receivables.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 falsefalseNet Loans6false0stt_ScheduleOfComponentsOfNetInvestmentInLeveragedLeasesTextBlocksttfalsenadurationSchedule Of Components Of The Net Investment In Leveraged Leases [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="84%"> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom" nowrap="nowrap">(In millions)</td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2009</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Net rental income receivable</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,187</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,677</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Estimated residual values</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">118</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">129</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Unearned income</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(835</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(1,090</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Investment in leveraged lease financing</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,470</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">1,716</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Less related deferred income tax liabilities</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(463</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">(505</td> <td valign="bottom" nowrap="nowrap">) </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Net investment in leveraged lease financing</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,007</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,211</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>(In millions)    2010     2009   Net rental incomefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Components Of The Net Investment In Leveraged Leases [Text Block]No authoritative reference available.falsefalseComponents of the Net Investment in Leveraged Leases7false0stt_ScheduleOfAllowanceForCreditLossesAndRecordedInvestmentInFinancingReceivablesTextBlocksttfalsenadurationSchedule Of Allowance For Credit Losses And Recorded Investment In Financing Receivables [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" alig n="center"> <tr><td width="75%"> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">(In millions)</td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Institutional</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">CRE</td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Total</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Loans and leases:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Individually evaluated for impairment</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">112</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">623</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">735</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Collectively evaluated for impairment</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">11,081</td> <td valign="bottom" nowrap="nowrap">  </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">11,081</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Loans acquired with deteriorated credit quality</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">141</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">141</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Total loans and leases</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">11,193</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">764</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">11,957</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Allowance for loan losses:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Individually evaluated for impairment</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">24</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">24</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Collectively evaluated for impairment</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">31</td> <td valign="bottom" nowrap="nowrap">  </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">31</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Loans acquired with deteriorated credit quality</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">45</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">45</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total allowance for loan losses</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">31</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">69</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">100</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>(In millions)    Institutional      CRE      Total   Loans and leases:       falsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Allowance For Credit Losses And Recorded Investment In Financing Receivables [Text Block]No authoritative reference available.falsefalseAllowance for Credit Losses and Recorded Investment in Financing Receivables8false0stt_ScheduleOfRecordedInvestmentInEachClassOfTotalLoansAndLeasesByCreditQualityIndicatorTextBlocksttfalsenadurationSchedule Of Recorded Investment In Each Class Of Total Loans And Leases By Credit Quality Indicator Text Blockfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="100%" align="center"> <tr><td width="30%"> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="4%"> </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="14" align="center">Institutional</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="14" align="center">Commercial Real Estate</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" colspan="2"> </td> <td valign="bottom"> </td></tr> <tr><td valign="bottom">(In millions)</td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Investment Funds</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Commercial and Financial</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Purchased Receivables</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Lease Financing</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Property Development</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Property Development Acquired- Credit Impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Other Acquired Credit- Impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Other</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Total Loans and Leases</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Investment grade</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,674</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">579</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,199</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,279</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</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">10,786</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Speculative</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">120</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">101</td> <td valign="bottom" nowrap="nowrap">  </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">191</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">362</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">47</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">108</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">929</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Substandard</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">50</td> <td valign="bottom" nowrap="nowrap">  </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">—  </td> <td valign="bottom" nowrap="nowrap">  </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"> </td> <td valign="bottom"> </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">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">50</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Doubtful</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">—  </td> <td valign="bottom" nowrap="nowrap">  </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">—  </td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">86</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">42</td> <td valign="bottom" nowrap="nowrap">  </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">15</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">192</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Total</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">6,794</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">730</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">2,199</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">1,470</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">451</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">42</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">99</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">172</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">11,957</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>    Institutional     Commercial Real Estate         (InfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Recorded Investment In Each Class Of Total Loans And Leases By Credit Quality Indicator Text BlockNo authoritative reference available.falsefalseRecorded Investment in Each Class of Total Loans and Leases by Credit Quality Indicator9false0stt_ScheduleOfImpairedLoansTextBlocksttfalsenadurationSchedule Of Impaired Loans [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <div> <div> <table border="0" cellspacing="0" cellpadding="0" width="84%"> <tr><td width="74%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">(In millions)</td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Recorded Investment</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">Unpaid Principal Balance</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" nowrap="nowrap" align="center">Related Allowance(1)</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> With no related allowance recorded:</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> CRE - property development</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">209</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">240</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> CRE - property development – acquired credit-impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">34</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> CRE - other - acquired credit-impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">16</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">47</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> CRE - other</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">27</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">29</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> With an allowance recorded:</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> CRE - property development</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">79</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">113</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">24</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> CRE - property development – acquired credit-impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">42</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">47</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">19</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> CRE - other - acquired credit-impaired</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">83</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">100</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"> CRE - other</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">7</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">9</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—  </td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Total CRE</td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">463</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">619</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">69</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr></table>   <table style="border-collapse: collapse;" border="0" cellspacing="0" cellpadding="0" width="100%"> <tr><td valign="top" width="4%" align="left"> (1) </td> <td valign="top" align="left"> As of December 31, 2010, there was an additional allowance for loan losses of $31 million associated with loans and leases that were not impaired. </td></tr></table></div></div> </div>(In millions)   RecordedInvestment     UnpaidPrincipalBalance     RelatedAllowance(1)   With no related allowancefalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Impaired Loans [Text Block]No authoritative reference available.falsefalseImpaired Loans10false0stt_ScheduleOfFinancingReceivablesOnNonAccrualStatusTextBlocksttfalsenadurationSchedule Of Financing Receivables On Non-Accrual Status [Text Block]falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="68%"> <tr><td width="91%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Commercial Real Estate:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Property development</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">79</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Property development – acquired credit-impaired</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">42</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Other – acquired credit-impaired</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">22</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Other</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">15</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">158</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>Commercial Real Estate:    Property development    $ 79    Property development – acquiredfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringSchedule Of Financing Receivables On Non-Accrual Status [Text Block]No authoritative reference available.falsefalseFinancing Receivables on Non-accrual Status11false0stt_ScheduleofallowanceforloanlossestextblocksttfalsenadurationScheduleOfAllowanceForLoanLossesTextBlockfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00<div> <table border="0" cellspacing="0" cellpadding="0" width="84%"> <tr><td width="78%"> </td> <td valign="bottom" width="6%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="5%"> </td> <td> </td> <td> </td> <td> </td> <td valign="bottom" width="5%"> </td> <td> </td> <td> </td> <td> </td></tr> <tr><td valign="bottom">(In millions)</td> <td valign="bottom">  </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2010</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2009</td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td style="border-bottom: #000000 1px solid;" valign="bottom" colspan="2" align="center">2008</td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Beginning balance</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">79</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">18</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">18</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Provision for loan losses:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Institutional</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">25</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Commercial real estate</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom" align="right">22</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">124</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Charge-offs:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr><td valign="top"> Institutional</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">(19</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Commercial real estate</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">(72</td> <td valign="bottom" nowrap="nowrap">) </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr><td valign="top"> Recoveries:</td> <td valign="bottom">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom"> </td></tr> <tr bgcolor="#cceeff"><td valign="top"> Commercial real estate loans</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">3</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom"> </td> <td valign="bottom" align="right">—</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td style="border-top: #000000 1px solid;" valign="bottom"> </td> <td> </td></tr> <tr><td valign="top"> Total</td> <td valign="bottom">  </td> <td valign="bottom">$</td> <td valign="bottom" align="right">100</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">79</td> <td valign="bottom" nowrap="nowrap">  </td> <td valign="bottom"> </td> <td valign="bottom">$</td> <td valign="bottom" align="right">18</td> <td valign="bottom" nowrap="nowrap">  </td></tr> <tr style="font-size: 1px;"><td valign="bottom"> </td> <td valign="bottom">  </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td> <td valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td style="border-top: #000000 3px double;" valign="bottom"> </td> <td> </td></tr></table> </div>(In millions)    2010     2009     2008   BeginningfalsefalsefalsefalsefalseOtherus-types:textBlockItemTypestringScheduleOfAllowanceForLoanLossesTextBlockNo authoritative reference available.falsefalseSchedule of Allowance for Loan Losses17Loans and Leases (Tables)UnKnownUnKnownUnKnown UnKnownfalsetrue