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Reference 5: http://www.xbrl.org/2003/role/presentationRef
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Staff Accounting Bulletin (SAB)
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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falsefalse15false0us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesOtherus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse-121000000-121falsefalsefalsefalsefalse2truefalsefalse-7988000000-7988falsefalsefalsefalsefalse3truefalsefalse-454000000-454falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryTransactions that do not result in cash inflows or outflows in the period in which they occur, but affect net income and thus are removed when calculating net cash flow from operating activities using the indirect cash flow method. This element is used when there is not a more specific and appropriate element.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 28
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truefalsefalse54080000005408falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 16
-Subparagraph a
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 115
-Paragraph 18
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15
Reference 4: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 16
-Subparagraph a
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-Publisher OTS
-Name Federal Regulation (FR)
-Number Title 12
-Chapter V
-Section 563c.102
-Subsection III
Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15
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areholders' equity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
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falsefalse24false0stt_ChangeInHeldToMaturitySecuritiesRelatedToAmlfsttfalsedebitdurationChange in Held-To-maturity investment securities purchased at amortized cost under Asset-Backed Commercial Paper Money Market...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse61110000006111falsefalsefalsefalsefalse3truefalsefalse-5818000000-5818falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in Held-To-maturity investment securities purchased at amortized cost under Asset-Backed Commercial Paper Money Market Mutual Fund Liquidity Facility instituted by the Federal Reserve Bank of Boston.No
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efalsefalse52490000005249falsefalsefalsefalsefalse2truefalsefalse44980000004498falsefalsefalsefalsefalse3truefalsefalse17660000001766falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
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falsefalse27false0us-gaap_PaymentsToAcquireHeldToMaturitySecuritiesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-426000000-426falsefalsefalsefalsefalse2truefalsefalse-1600000000-1600falsefalsefalsefalsefalse3truefalsefalse-1062000000-1062falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow to acquire a debt financial instrument for which the entity has the ability and intent to hold until maturity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 115
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-Number 95
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falsefalse28false0us-gaap_PaymentsForProceedsFromLoansAndLeasesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse-1320000000-1320falsefalsefalsefalsefalse2truefalsefalse800000000800falsefalsefalsefalsefalse3truefalsefalse65320000006532falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash inflow (outflow) for the net change in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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falsefalse29false0us-gaap_ProceedsFromDivestitureOfInterestInJointVentureus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse464000000464falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from the sale of an interest in an investment in an entity in which the reporting entity shares control of the entity with another party or group.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15, 16
falsefalse30false0us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquiredus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1tru
efalsefalse-2332000000-2332falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse-38000000-38falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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IsRatio>falsefalse-114000000-114falsefalsefalsefalsefalse2truefalsefalse-241000000-241falsefalsefalsefalsefalse3
truefalsefalse-242000000-242falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow associated with other investments held by the entity for investment purposes not otherwise defined in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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falsefalse32false0us-gaap_PaymentsToAcquirePropertyPlantAndEquipmentus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-262000000-262falsefalsefalsefalsefalse2truefalsefalse-325000000-325falsefalsefalsefalsefalse3truefalsefalse-681000000-681falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.Reference 1: http://www.xbr
l.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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falsefalse33false0us-gaap_PaymentsForProceedsFromOtherInvestingActivitiesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse363000000363falsefalsefalsefalsefalse2truefalsefalse430000000430falsefalsefalsefalsefalse3truefalsefalse278000000278falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash outflow (inflow) from other investing activities. This element is used when there is not a more specific and appropriate element in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 15
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 26
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lsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalse36false0us-gaap_IncreaseDecreaseInTimeDepositsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse857000000857falsefalsefalsefalsefalse2truefalsefalse12670000001267falsefalsefalsefalsefalse3truefalsefalse-13988000000-13988falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet cash inflow (outflow) in the total of all time deposits and shall be classified as cash flows from financing activities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 13
-IssueDate 2006-05-01
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lsefalse3041600000030416falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNet cash inflow (outflow) in all other deposits that have not otherwise been stated in the taxonomy.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 13
-IssueDate 2006-05-01
falsefalse38false0stt_ChangeInShortTermBorrowingsRelatedToAmlfsttfalsedebitdurationChange in carrying value of short-term non-recourse borrowings associated with the Asset-Backed Commercial Paper Money Market...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-6042000000-6042falsefalsefalsefalsefalse3truefalsefalse61390000006139falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryChange in carrying value of short-term non-recourse borrowings associated with the Asset-Backed Commercial Paper Money Market Mutual Fund Liquidity Facility instituted by the Federal Reserve Bank of Boston.No a
uthoritative reference available.falsefalse39false0us-gaap_ProceedsFromRepaymentsOfShortTermDebtus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1truefalsefalse-11233000000-11233falsefalsefalsefalsefalse2truefalsefalse-4163000000-4163falsefalsefalsefalsefalse3truefalsefalse31630000003163falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net cash inflow (outflow) for borrowing having initial term of repayment within one year or the normal operating cycle, if longer.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18
falsefalse40false0us-gaap_ProceedsFromIssuanceOfLongTermDebtus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse44350000004435falsefalsefalsefalsefalse3truefalse<
/IsRatio>false493000000493falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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-Number 95
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falsefalse41false0us-gaap_RepaymentsOfLongTermDebtAndCapitalSecuritiesus-gaaptruecreditdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsetruenegated1truefalsefalse-341000000-341falsefalsefalsefalsefalse2truefalsefalse-29000000-29falsefalsefalsefalsefalse3truefalsefalse-44000000-44falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash outflow associated with security instrument that either represents a creditor or an ownership relationship with the holder of the investment security with a maturity of beyond one year or normal operating cycle, if longer. The nature of such security interests included herein may consist of debt securities, long-
term capital lease obligations, and capital securities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Number 95
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falsefalse42false0us-gaap_ProceedsFromIssuanceOfCommonStockus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse22310000002231falsefalsefalsefalsefalse3truefalsefalse22510000002251falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from the additional capital contribution to the entity.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18
Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Number 95
-Paragraph 19
-Subparagraph a
falsefalse43false0us-gaap_ProceedsFromIssuanceOfPreferredStockAndPreferenceStockus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse18790000001879falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryProceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.Reference 1: http://www.xbrl.org/2003/role/presen
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-Number 95
-Paragraph 19
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falsefalse44false0us-gaap_ProceedsFromIssuanceOfWarrantsus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse121000000121falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 18
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1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-2000000000-2000falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRepayment of TARP preferred stock investmentNo authoritative reference available.falsefalse46false0stt_RepurchaseOfTarpCommonStockWarrantsttfalsedebitdurationRepurchase of TARP common stock warrantfalsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse-60000000-60falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRepurchase of TARP common stock warrantNo authoritative reference available.falsefalse47false0us-gaap_ProceedsFromStockOptionsExercisedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1000000010falsefalsefalsefalsefalse2truefalsefalse3400000034falsefalsefalsefalsefalse3truefalsefalse1200000012falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe cash inflow associated with the amount received from holders exercising their stock options.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Paragraph 18
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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-Number 95
-Paragraph 18
Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Number 95
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 26
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truefalsefalse-860000000-860falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe net change between the beginning and ending balance of cash and cash equivalents.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
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lsefalse40410000004041falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryFor banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.Reference 1: http://www
.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
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-Publisher AICPA
-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 6
-Paragraph 1, 2, 3, 7, 11
-IssueDate 2006-05-01
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1, 2, 3
-Article 9
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falsefalse33110000003311falsefalsefalsefalsefalse2truefalsefalse26410000002641falsefalsefalsefalsefalse3truefalsefalse31810000003181falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryFor banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.Refe
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-Number 95
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-Name Audit and Accounting Guide (AAG)
-Number AAG-DEP
-Chapter 6
-Paragraph 1, 2, 3, 7, 11
-IssueDate 2006-05-01
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-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 03
-Paragraph 1, 2, 3
-Article 9
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sefalseMonetaryxbrli:monetaryItemTypemonetaryThe amount of cash paid during the current period for interest owed on money borrowed; includes amount of interest capitalizedReference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 29
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-Number 95
-Paragraph 29
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 27
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falsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe fair value of loans assumed in noncash investing or financing activities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse60false0stt_NonCashInvestmentsInCapitalLeasesAndOtherPremisesAndEquipmentsttfalsecreditdurationNon-cash investments in capital leases and other premises and equipmentfalsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse126000000126falsefalsefalsefalsefalse3truefalsefalse4800000048falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryNon-cash investments in capital leases and other premises and equipmentNo authoritative reference available.falsefalse61false0us-gaap_LiabilitiesAssumedus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2truefalsefalse2091900000020919falsetruefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe fair value of liabilities assumed in Noncash investing or financing activities.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 95
-Paragraph 32
falsefalse358Consolidated Statement of Cash Flows (USD $)MillionsUnKnownUnKnownUnKnownfalsetrue
