Consolidated Statements of Income [Abstract] Statements of Income [Abstract] Statements of Income. Cash dividends per common share Weighted-average diluted shares Weighted-average basic shares Diluted earnings per share Basic earnings per share Net income per common share data Net income applicable to common stockholders Net income Income tax expense Income before income tax expense Total noninterest expense Amortization of intangibles Noninterest expense Total net revenue Net interest income Interest expense Noninterest revenue Principal transactions Investment banking fees Revenue Consolidated Balance Sheets [Abstract] Balance Sheets [Abstract] Balance Sheets. Total liabilities and stockholders' equity Total stockholders' equity Accumulated other comprehensive income (loss) Retained earnings Capital surplus Common stock ($1 par value; authorized 9,000,000,000 shares at June 30, 2009, and December 31, 2008; issued 4,104,933,895 and 3,941,633,895 shares at June 30, 2009, and December 31, 2008, respectively) Preferred stock ($1 par value; authorized 200,000,000 shares at June 30, 2009, and December 31, 2008; issued 2,538,107 and 5,038,107 shares at June 30, 2009, and December 31, 2008, respectively) Stockholders' equity Total liabilities Beneficial interests issued by consolidated variable interest entities (included $1,763 and $1,735 at fair value at June 30, 2009, and December 31, 2008, respectively) Commercial paper Deposits (included $5,114 and $5,605 at fair value at March 31, 2009, and December 31, 2008, respectively) Liabilities Total assets Other assets (included $22,560 and $29,199 at fair value at March 31, 2009, and December 31, 2008, respectively) Goodwill Premises and equipment Accrued interest and accounts receivable Accrued interest and accounts receivable Accrued interest and accounts receivable comprised of (1) accounts receivable and (2) accrued investment income. (1) Amount due from customers or clients, more than one year from the balance sheet date, for goods or services that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection. (2) Interest, dividends, ancillary and other revenues earned but not yet received by the entity on its investments. Loans, net of allowance for loan losses Allowance for loan losses Loans (included $5,974 and $7,696 at fair value at March 31, 2009, and December 31, 2008, respectively) Securities borrowed (included $3,360 and $3,381 at fair value at June 30, 2009, and December 31, 2008, respectively) Federal funds sold and securities purchased under resale agreements (included $19,845 and $20,843 at fair value at March 31, 2009, and December 31, 2008, respectively) Deposits with banks Cash and due from banks Assets Consolidated Balance Sheets (Parenthetical) [Abstract] Balance Sheets (Parenthetical) [Abstract] Balance Sheets Parenthetical. Common stock, shares issued (actual number) Common stock, share authorized (actual number) Preferred stock, share issued (actual number) Preferred stock, share authorized (actual number) Long-term debt, at fair value Long-term debt, at fair value Represents the portion of the amount shown on the balance sheet of long-term debt, valued at fair value. Beneficial interests issued by consolidated variable interest entities, at fair value Beneficial interests issued by consolidated variable interest entities, at fair value Represents the portion of the amount shown on the balance sheet of beneficial interests issued by consolidated variable interest entities, valued at fair value. Other borrowed funds, at fair value Other borrowed funds, at fair value Represents the portion of the amount shown on the balance sheet of other borrowed funds, valued at fair value. Federal funds purchased and securities loaned or sold under repurchase agreements, at fair value Federal funds purchased and securities loaned or sold under repurchase agreements, at fair value Represents the portion of the amount shown on the balance sheet of federal funds purchased and securities loaned or sold under repurchase agreements, valued at fair value. Deposits, at fair value Deposits, at fair value Represents the portion of the amount shown on the balance sheet of deposits, valued at fair value. Other assets, at fair value Other assets, at fair value Represents the portion of the amount shown on the balance sheet of assets categorized as other which are not in and of themselves material enough to require separate disclosure, valued at fair value. Loans, at fair value Loans, at fair value Represents the portion of the amount shown on the balance sheet of all categories of loans and leases held in portfolio (may include mortgage loans held-for-sale, finance receivables held-for-sale, or any other loans classified as held-for-sale which are due the Company as of the balance sheet date), valued at fair value. Net cash (used in) provided by financing activities All other financing activities, net Cash dividends paid Proceeds from issuance of common stock Excess tax benefits related to stock-based compensation Repayments of long-term debt and trust-preferred capital debt securities Proceeds from the issuance of long-term debt and trust-preferred capital debt securities Federal funds purchased and securities loaned or sold under repurchase agreements Deposits Financing activities Net cash provided by (used in) investing activities All other investing activities, net Net cash (used) received in business acquisitions or dispositions Proceeds from sales and securitization of loans held-for-investment Purchases Proceeds from sales Proceeds from maturities Held-to-maturity securities: Federal funds sold and securities purchased under resale agreements Net change in deposits with banks Investing activities Net cash provided by operating activities Trading liabilities Originations and purchases of loans held-for-sale Stock-based compensation Proceeds on sale of investment Deferred tax benefit Depreciation and amortization Cash interest paid Cash income taxes paid Basis of Presentation [Abstract] Basis of Presentation [Abstract] Basis of Presentation. Business Changes and Developments [Abstract] Business Changes and Developments [Abstract] Business Changes and Developments. Fair Value Measurement [Abstract] Fair Value Measurement [Abstract] Fair Value Measurement. Fair Value Option [Abstract] Fair Value Option [Abstract] Fair Value Option. Derivative Instruments [Abstract] Derivative Instruments [Abstract] Derivative Instruments Other Noninterest Revenue [Abstract] Other Noninterest Revenue [Abstract] Other Noninterest Revenue. Interest Income and Interest Expense [Abstract] Interest Income and Interest Expense [Abstract] Interest Income and Interest Expense. Pension and Other Postretirement Employee Benefit Plans [Abstract] Pension and Other Postretirement Employee Benefit Plans [Abstract] Pension and Other Postretirement Employee Benefit Plans. Securities [Abstract] Securities [Abstract] Securities. Securities Financing Activities [Abstract] Securities Financing Activities [Abstract] Securities Financing Activities. Loans [Abstract] Loans [Abstract] Loans. Allowance For Credit Losses [Abstract] Allowance For Credit Losses [Abstract] Allowance For Credit Losses. Loan Securitizations [Abstract] Loan Securitizations [Abstract] Loan Securitizations. Variable Interest Entities [Abstract] Variable Interest Entities [Abstract] Variable Interest Entities. Deposits [Abstract] Deposits [Abstract] Accumulated other Comprehensive Income (Loss) [Abstract] Accumulated other Comprehensive Income (Loss) [Abstract] Accumulated other Comprehensive Income Loss. Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] Commitments and Contingencies. Off-Balance Sheet Lending Related-Financial Instruments and Guarantees [Abstract] Off-Balance Sheet Lending Related-Financial Instruments and Guarantees [Abstract] Off Balance Sheet Lending Related Financial Instruments and Guarantees. Business Segments [Abstract] Business Segments [Abstract] Business Segments. Statements of Changes in Stockholders' Equity and Comprehensive Income [Abstract] Statements of Changes in Stockholders' Equity and Comprehensive Income [Abstract] Statements of changes in stockholders equity and comprehensive income. Off-Balance Sheet Lending Related-Financial Instruments and Guarantees Off-Balance Sheet Lending Related-Financial Instruments and Guarantees Description of lending related instruments and the allowance recorded to reflect obligations, contingent liabilities, guarantees, and other exposures relating to off-balance sheet arrangements such as unfunded loan commitments, contractual obligations, recourse from loans securitized, and variable interest entities. Allowance For Credit Losses Allowance For Credit Losses A reconciliation of the allowance for credit losses account balance from the beginning of a period to the end of a period. Credit losses includes loan and lease losses and lending related commitment losses. Basis of Presentation Fair Value Option Other Noninterest Revenue Other Noninterest Revenue Discloses components of investment banking fees and asset management, administration and commissions. Also provides a qualitative description of the various other noninterest revenue items presented on the face of the income statement. Interest Income and Interest Expense Pension and Other Postretirement Employee Benefit Plans Common stock Preferred stock Capital surplus Retained earnings Accumulated other comprehensive income (loss) Comprehensive income Comprehensive income Other comprehensive income (loss) Reissuance from RSU Trust Reissuance from RSU Trust Grant date fair value of vested issued and outstanding stock held in a grantor trust for certain employees, until the employees complete their future service obligations. Resulting from the Bear Stearns merger Resulting from the Bear Stearns merger Fair value of common stock shares resulting from the acquisition of another entity, held in an irrevocable grantor trust (the "RSU Trust") to be used for settlement of stock awards granted to selected employees and certain key executives under a restricted stock unit plan. Net Change from the Bear Stearns Merger - Employee stock awards Net Change from the Bear Stearns Merger - Reissuance of treasury stock and the Share Exchange agreement Reissuance of treasury stock and the Share Exchange agreement Value of treasury stock reissued during the period. Upon reissuance, common and preferred stock are outstanding. Issuance of stock Redemption of preferred stock issued to the U.S. Treasury Accretion of preferred stock discount on issuance to the U.S. Treasury Accretion of preferred stock discount on issuance to U.S. Treasury The accretion of preferred stock discount on issuance to U.S. Treasury. The discount is the difference between the par value of the preferred stock and the carrying value (based on relative fair value) of the preferred stock. Shares held in RSU Trust Shares held in RSU Trust Shares held in Trust. Treasury stock, at cost Beginning Balance, Shares Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document And Entity Information Consolidated Statements of Income [Abstract] Consolidated Balance Sheets [Abstract] Accrued interest and accounts receivable Consolidated Balance Sheets (Parenthetical) [Abstract] Loans, at fair value Other assets, at fair value Deposits, at fair value Federal funds purchased and securities loaned or sold under repurchase agreements, at fair value Other borrowed funds, at fair value Beneficial interests issued by consolidated variable interest entities, at fair value Long-term debt, at fair value Employee Stock-Based Incentives [Abstract] Employee Stock-Based Incentives [Abstract] Employee Stock-Based Incentives Treasury stock, at cost (183,901,727 and 208,833,260 shares at March 31, 2009, and December 31, 2008, respectively) Cash and due from banks at the end of the period Cash and due from banks at the beginning of the year Net (decrease) increase in cash and due from banks Effect of exchange rate changes on cash and due from banks Consolidated Statements of Cash Flows [Abstract] Statements of Cash Flows [Abstract] Statements of Cash Flows. Proceeds from sales, securitizations and paydowns of loans held-for-sale Proceeds from sales, securitizations and paydowns of loans held-for-sale The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through securitization. Operating activities Business Segments Commitments and Contingencies Deposits Variable Interest Entities Trading assets pledged as collateral Treasury stock, shares (actual number) Mortgage servicing rights Mortgage servicing rights Fair value as of the balance sheet date of an asset representing net future revenues from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements. The fair value of an asset is the amount at which that asset could be bought or sold (or settled) in a current transaction between willing parties, other than in a forced or liquidation sale. Rights may be obtained via (1) acquisition or assumption of a servicing obligation that does not relate to financial assets of the servicer or its consolidated affiliates; or (2) by originating loans and then (a) transferring the loans to a qualifying special purpose entity in a transaction that meets the necessary transfer and classification requirements, or (b) transferring the loans in a transaction that meets the requirements for sale accounting. Allowance for lending-related commitments Allowance for lending related commitments The allowance for lending-related commitments represents the reserve to cover probable credit losses, inherent in the Firm's process of extending credit, related to specifically identified commitments as of the balance sheet date. Accounts payable and other liabilities, at fair value Accounts payable and other liabilities, at fair value Represents the portion of the amount shown on the balance sheet of trade and related party payables, valued at fair value. Statements of Changes in Stockholders' Equity and Comprehensive Income (Parenthetical) [Abstract] Statements of Changes in Stockholders' Equity and Comprehensive Income (Parenthetical) [Abstract] Statements of Changes in Stockholders Equity and Comprehensive Income Parenthetical Abstract Common stock, dividends, per share, declared Entity Common Stock, Shares Outstanding (actual number) Entity Public Float (actual number) Reissuance from treasury stock Accounts payable and other liabilities (included the allowance for lending-related commitments of $746 and $659 at June 30, 2009, and December 31, 2008, respectively, and $441 and zero at fair value at June 30, 2009, and December 31, 2008, respectively) Accounts payable and other liabilities (included the allowance for lending-related commitments of $638 and $659 at March 31, 2009, and December 31, 2008, respectively, and $11 and zero at fair value at March 31, 2009, and December 31, 2008, respectively) Carrying amount as of the balance sheet date of liabilities not otherwise specified in the taxonomy. Also serves as the sum of liabilities not individually reported in the financial statements, or not separately disclosed in notes. Other expense Balance at January 1 Ending Balance Adjustment Lending & deposit-related fees Lending & deposit-related fees Combination of: 1) Includes amounts charged depositors for: (A) maintenance of their accounts (maintenance charges); (B) failure to maintain specified minimum balances on account; (C) exceeding the number of checks or transactions allowed to be processed in a given period; (D) checks drawn on no minimum balance deposit accounts; (E) withdrawals from nontransaction deposit accounts; (F) closing savings accounts before a specified minimum period of time has elapsed; (G) accounts which have remained inactive for extended periods of time or which have become dormant; (H) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (I) issuing stop payment orders; (J) certifying checks; and (K) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits. 2) This item represents the portion of monthly guaranty fees collected representing the interest imputed and recognized under the prospective interest method on the present value of the contractually stipulated guarantee payments at inception of the contract. 3) Income from servicing real estate mortgages, credit cards, and other financial assets held by others. Also include any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans. May also be net of any related impairment of fair value of capitalized service costs. 4) Other lending-related fees. Asset management, administration and commissions Asset management, administration and commissions Combination of: 1) Revenue recognized in the period for (A) performance (incentive) fees based on the investment results achieved for management of certain institutional accounts and hedge funds, (B) schedule-based fees earned for management of mutual funds and closed-end funds, based either on average daily net assets or on a combination of the average daily net assets and gross income, and (C) other investment management and advisory fees. 2) Acting as an agent, a broker-dealer may buy and sell securities on behalf of its customers. In return for such services, the broker-dealer charges a commission. Each time a customer enters into a buy or sell transaction, a commission is earned by the broker-dealer for its selling and administrative efforts. For securities purchased, the commission is recorded as a receivable from customers; for securities sold, it is recorded as reductions in the payable to customers. Commissions earned are usually related to the broker-dealer's customers' trading volume and the dollar amounts of the trades. In general, commissions are for smaller trades of exchange-listed stocks and bonds made by retail customers. 3)Income from services rendered by trust departments or by any consolidated subsidiaries acting in a fiduciary capacity, including fees earned for (A) acting as an agent for fiduciary placement and loans and (B) custody or investment advisory services when such fees are not separately billed to the customer. This item excludes commissions and fees received for the accumulation or disbursement of funds deposited to Individual Retirement or Keogh plan accounts when such are not handled by the reporting entity's trust department. 4) Income from agency and brokerage operations (includes sales of annuities and supplemental contracts); service charges, commissions, and fees from the sale of insurance and related services; and management fees from separate accounts, deferred annuities, and universal life products. 5) Revenues from providing transfer agent services to corporations. Such services include maintaining records of investors and account balances and transactions, canceling and issuing certificates, processing investor mailings and dealing with any associated problems (i.e. lost or stolen certificates). 6) Service revenue earned by a depository institution that holds the account balances of other financial institutions and provides services thereto. Such services include check collection and item processing. 7) Fee and commission revenue earned from sources not otherwise specified in the existing taxonomy, such as ADR fees, fund accounting fees, etc. Mortgage fees and related income Mortgage Fees And Related Income Combination of: 1) The noninterest income derived from mortgage banking activities (fees and commissions), including fees earned from servicing third-party assets. 2) The adjustment to the carrying value of the rights retained or purchased to service mortgages. These adjustments are made when the estimate of the fair value is changed. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method. Credit card income Credit card income Income earned from credit card services including annual, interchange and card servicing fees. This item excludes late, overlimit, interest income earned on credit card balances and transactions. Other income Other Noninterest income Includes all other noninterest revenue taxonomies not already captured by line items above. Interest income Interest and Dividend Income, Operating, Total Provision for credit losses Provision for credit losses Compensation expense Labor and Related Expense, Total Occupancy expense Occupancy expense Amount of net occupancy expense that may include items, such as furniture and fixtures, lease expenses, property taxes and property and casualty insurance expense. Excludes depreciation of equipment. Technology, communications and equipment expense Technology, communications and equipment expense Combination of: 1)The amount of expense in the period for communications and data processing expense and 2)This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item excludes furniture expenses. Professional & outside services Professional & outside services Combination of: 1) Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. 2) This represents the company's cost incurred during an accounting period for managing the money in a fund, which will be billed back to the client and is a component of noninterest expenses. 3) Fees paid to an agent employed by a corporation or mutual fund to maintain shareholder records, including purchases, sales, and account balances. Also includes custodian fees incurred during an accounting period from an agent, bank, trust company, or other organization that holds and safeguards an individual's, mutual fund's, or investment company's assets for them. These fees will be billed back to the client and are a component of noninterest expense. 4) Fees paid by the Entity to sales representatives based on commission payout contracts covering the sale of mutual funds and insurance products. 5) The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees and clearance fees. 6) Sub-advisory fees for mutual funds. Sub-advisory fees that the funds adviser pays for out of the management fee, which it receives from the fund. Funds that are sub-advised report both their management fees and the portion paid to the sub-adviser. The advisers of some mutual funds contract with unaffiliated third-party investment managers for management of all or a portion of their funds portfolios. The third-party manager called a sub-adviser, holds a position equivalent to that of an external investment manager to a pension plan. 7) Consultant, mortgage appraisal fees, credit card processing, credit service and collection agency, data processing and assessments. Marketing Marketing and Advertising Expense, Total Trading assets (included assets pledged of $82,702 and $75,063 at June 30, 2009, and December 31, 2008, respectively) Trading assets Total debt and equity financial instruments classified as (1) trading securities and (2) derivative assets. (1) The total of financial instruments that are bought and held principally for the purpose of selling them in the near term (thus held for only a short period of time) or for debt and equity securities formerly categorized as available-for-sale or held-to-maturity which the entity held as of the date it opted to account for such securities at fair value. An enterprise may also categorize such a security as trading without the intent to sell it in the near term assuming the decision to categorize the security as trading occurred at acquisition; this is the reason why the trading category of investments in debt and equity securities are bought and sold "principally" for sale in the near term. Transfers into and out of the trading category should be rare. Such financial instruments that are held as of the reporting date are measured at fair value with unrealized holding gains and losses (the difference between fair value and the previously reported carrying amount) included in earnings. (2) Fair values as of the balance sheet date of all assets resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Total debt and equity financial instruments classified as (1) available-for-sale securities and (2) held-to-maturity securities. (1) For an unclassified balance sheet, this item represents investments in debt and equity securities which are categorized neither as held-to-maturity nor trading. Such securities are reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity (other comprehensive income), unless the Available-for-sale Security is designated as a hedge or is determined to have had an other than temporary decline in fair value below its amortized cost basis. All or a portion of the unrealized holding gain or loss of an Available-for-sale Security that is designated as being hedged in a fair value hedge shall be recognized in earnings during the period of the hedge, as should other than temporary declines in fair value below costs basis. (2) For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity; such investments are measured at amortized cost (carrying value). The held-to-maturity category is for those securities that the Entity has the positive intent and ability to hold until maturity. Securities Federal funds purchased and securities loaned or sold under repurchase agreements (included $2,977 and $2,993 at fair value at June 30, 2009, and December 31, 2008, respectively) Federal Funds Purchased, Securities Sold under Agreements to Repurchase and securities loaned Total federal funds purchased and securities loaned or sold under repurchase agreements classified as (1) Federal funds purchased and securities sold under agreements to repurchase and (2) Securities loaned. (1) The amount shown on the books that a bank with insufficient reserves borrows, at the federal funds rate, from another bank to meet its reserve requirements and the amount of securities that an institution sells and agrees to repurchase at a specified date for a specified price, net of any reductions or offsets. (2) The carrying value as of the balance sheet date of securities loaned to other broker dealers, typically used by such parties to cover short sales, secured by cash or other securities furnished by such parties until the borrowing is closed. Other borrowed funds (included $16,264 and $14,713 at fair value at June 30, 2009, and December 31, 2008, respectively) FHLB advances and other short term borrowings Total other borrowed funds classified as (1) Other short-term borrowings, short-term and (2) Federal home loan bank, advances. (1) Sum of the carrying amounts at the balance sheet date of short-term borrowings not otherwise specified in the taxonomy having initial terms less than one year or the normal operating cycle, if longer. (2) Federal home loan bank borrowings. Trading liabilities Trading liabilities Classified as (1) trading liabilities and (2) derivative liabilities. (1) The carrying amount of liabilities as of the balance sheet date that pertain to principal and customer trading transactions, or which may be incurred with the objective of generating a profit from short-term fluctuations in price as part of an entity's market-making, hedging and proprietary trading. Examples include short positions in securities, derivatives and commodities, obligations under repurchase agreements, and securities borrowed arrangements. (2) Fair values as of the balance sheet date of all liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments, net of the effects of master netting arrangements. Securities borrowed, at fair value Securities borrowed at fair value Represents the portion of the amount shown on the balance sheet of securities borrowed, valued at fair value. Federal funds sold and securities purchased under resale agreements, at fair value Federal funds sold and securities purchased under resale agreements, at fair value Represents the portion of the amount shown on the balance sheet of federal funds sold and securities borrowed or purchased under agreements to resell valued at fair value. Securities, assets pledged Securities Pledged As Collateral Amount of available-for-sale securities and held-to-maturity securities that serve as collateral for borrowings. Securities, at fair value Securities, at fair value Represents the portion of the amount shown on the balance sheet of investments in debt securities that are categorized as available-for-sale, valued at fair value. Common stock, par value (actual number) Securities (included $345,534 and $205,909 at fair value at June 30, 2009, and December 31, 2008, respectively, and assets pledged of $95,932 and $25,942 at June 30, 2009, and December 31, 2008, respectively) Shares held in RSU Trust, shares (actual number) Shares held in RSU Trust, shares (actual number) Number of common stock shares held in an irrevocable grantor trust (the "RSU Trust") to be used for settlement of stock awards granted to selected employees and certain key executives under a restricted stock unit plan. Shares held in RSU Trust, at cost (1,926,714 and 4,794,723 shares at June 30, 2009, and December 31, 2008, respectively) Shares held in RSU Trust, at cost (1,941,394 and 4,794,723 shares at March 31, 2009, and December 31, 2008, respectively) Grant date fair value of common stock shares held in an irrevocable grantor trust (the "RSU Trust") to be used for settlement of stock awards granted to selected employees and certain key executives under a restricted stock unit plan. Investment securities gains Gain (Loss) on Investments, Total Proceeds from sales, securitizations and paydowns of loans held-for-sale Trading assets Increase (Decrease) in Financial Instruments Used in Operating Activities, Total Securities borrowed Accrued interests and accounts receivable Accrued interests and accounts receivable The net change during the reporting period in accrued interest income and accounts receivable. Other assets Accounts payable and other liabilities Accounts payable, accrued expense and other liabilities The net change during the reporting period in accounts payable, accrued expenses and other liabilities. Other operating adjustments Other operating activities The net cash (outflow) inflow from other operating activities and non-cash adjustments to reconcile net income to net cash provided by operating activities. This element is used when there is not a more specific and appropriate element in the taxonomy. Proceeds Other changes in loans, net Payments for (Proceeds from) Loans and Leases, Total Proceeds from asset sale to the FRBNY Proceeds from asset sale to the FRBNY The proceeds from sales of assets to the Federal Reserve Bank of New York. The net cash inflow (outflow) for the net change in the beginning and end of period of asset-backed commercial paper guaranteed by the Federal Reserve Bank of Boston. Net purchases of asset-backed commercial paper guaranteed by the FRBB Net purchases of asset-backed commercial paper guaranteed by the FRBB Net change in commercial paper and other borrowed funds Proceeds from (Repayments of) Other Debt, Total Net change from the Bear Stearns merger as a result of the reissuance of treasury stock and the Share Exchange agreement Noninterest Expense Merger Costs and Reserve Balances Disclosure of costs associated with recent acquisitions and rollforwards of the related reserve balances. Loans Loans Notes Trade and Other Receivables, Gross of Allowance for Credit Losses Disclosure itemizing the categories of loans receivable trade accounts and notes receivable, and for each the gross carrying value as of the balance sheet date. This disclosure may also include detail of related credit-impaired loans such as carrying value and accretable yield activity, carrying amount of loans with terms that have been modified in a troubled debt restructuring and loans held-for-sale. Business Changes and Developments Business Combination Disclosure and Other Business Events Disclosures Description of a business combination (or a series of individually immaterial business combinations) completed during the period, including background, timing, and recognized assets and liabilities. Also, description of other business events. Fair Value Measurement Fair Value Measurement and Fair Value by Balance Sheet Group (1) This element represents the disclosure related to the fair value measurement of assets and liabilities which includes [financial] instruments measured at fair value that are classified in stockholders' equity. Such assets and liabilities may be measured on a recurring or nonrecurring basis. The disclosures which may be required or desired include: (1) for assets and liabilities measured on a recurring basis, disclosure may include: (a) the fair value measurements at the reporting date; (b) the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets or liabilities (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3); (c) for fair value measurements using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes during the period attributable to the following: (i) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (ii) purchases, sales, issuances, and settlements (net); (iii) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs); (d) the amount of the total gains or losses for the period in subparagraph (c) (i) above included in earnings (or changes in net assets) that are attributable to the change in unrealized gains or losses relating to those assets and liabilities still held at the reporting date and a description of where those unrealized gains or losses are reported in the statement of income (or activities); (e) the valuation technique(s) used to measure fair value and a discussion of changes in valuation techniques, if any, during the period and (2) for assets and liabilities that are measured at fair value on a nonrecurring basis (for example, impaired assets) disclosure may include, in addition to (a) above: (a) the reasons for the fair value measurements recorded; (b) the same as (b) above; (c) for fair value measurements using significant unobservable inputs (Level 3), a description of the inputs and the information used to develop the inputs; and (d) the valuation technique(s) used to measure fair value and a discussion of changes, if any, in the valuation technique(s) used to measure similar assets and/or liabilities in prior periods. (2) This item represents certain of the disclosures concerning the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments, assets, and liabilities. Such certain disclosures about the financial instruments, assets, and liabilities include: (1) the fair value of the required items together with their carrying amounts (as appropriate) and (2) the methodology and assumptions used in developing such estimates of fair value. Securities Financing Activities Principal transactions Other income Merger costs Merger costs Amount of costs of a merger or acquisition including legal, accounting, and other costs that were charged to expense during the period. Trading liabilities Shares held in RSU Trust, at cost (1,941,394 and 4,794,723 shares at March 31, 2009, and December 31, 2008, respectively) Preferred stock, par value (actual number) Depreciation and amortization Proceeds on sale of investment Stock-based compensation Originations and purchases of loans held-for-sale Approximate number of shares of common stock issued in connection with the Merger with Bear Stearns Shares issued and commitments to issue common stock for employee stock-based compensation awards and related tax effects Shares issued and commitments to issue common stock for employee stock-based compensation awards and related tax effects Tax benefit associated with any share-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits). Share repurchases related to employee stock-based compensation awards Share repurchases related to employee stock-based compensation awards Cost of common and preferred stock that were repurchased when employees exercised their stock-based compensation awards. Securities Securities This item represents the entire disclosure related to Investments in Certain Debt and Equity Securities which include all debt and equity securities classified as (1) available-for-sale securities and (2) held-to-maturity securities. This is includes securities (other than those equity securities accounted for under the equity or cost methods of accounting) with readily determinable fair values. A debt security represents a creditor relationship with an enterprise that is in the form of a security. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities. Preferred Stock [Abstract] Preferred Stock [Abstract] Preferred Stock. Lending And Deposit Related Fees Professional & outside services Merger And Acquisition Cost Federal Home Loan Bank Advances and Other Short-Term Borrowings Trading Derivative Liabilities Accounts Payable And Other Liabilities Long Term Debt At Fair Value Common Stock Held In Restricted Stock Unit Trust Shares Proceeds From Sales Securitizations And Paydowns Of Loans Held For Sale Increase Decrease In Accrued Interests And Accounts Receivable Increase Decrease In Accounts Payable And Other Liabilities All Other Operating Activities Proceeds From Asset Sale Net purchases of asset-backed commercial paper guaranteed by the FRBB Accretion Of Preferred Stock Discount On Issuance To Treasury Stock Issued During Period Value Share Based Compensation Employee Stock Purchase Plan Restricted Stock Award Net Of Forfeitures And Options Exercised Resulting From Merger Reissuance From Trust Share Repurchases Related To Employee Stock Based Compensation Awards Shares Held In Trust Business Combination Disclosure And Other Business Events Disclosures [Text Block] Fair Value Measurement and Fair Value by Balance Sheet Group Other Noninterest Revenue [Text Block] Merger Costs And Reserve Balances [Text Block] Securities [Text Block] Loans Notes Trade and Other Receivables, Gross of Allowance for Credit Losses Allowance For Credit Losses [Text Block] Off Balance Sheet Lending Related Financial Instruments And Guarantees [Text Block] Total net revenue Revenues Merger costs Total noninterest expense Noninterest Expense Income before income tax expense Income (Loss) from Continuing Operations before Income Taxes, Minority Interest, and Income (Loss) from Equity Method Investments Basic earnings per share Earnings Per Share, Basic Diluted earnings per share Earnings Per Share, Diluted Net income Net Income (Loss) Other assets Increase (Decrease) in Prepaid, Deferred Expense and Other Assets Other operating adjustments Net change in federal funds sold and securities purchased under resale agreements Proceeds from (Payments for) Federal Funds Sold and Securities Purchased under Agreements to Resell, Net Proceeds from sales Proceeds from Sale of Available-for-sale Securities Purchases Payments to Acquire Available-for-sale Securities Proceeds from sales and securitization of loans held-for-investment Proceeds from Sale of Loans and Leases Held-for-investment Net cash (used) received in business acquisitions or dispositions Payments for (Proceeds from) Businesses and Interest in Affiliates All other investing activities, net Payments for (Proceeds from) Other Investing Activities Net change in deposits Increase (Decrease) in Deposits Net change in federal funds purchased and securities loaned or sold under repurchase agreements Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Proceeds from the issuance of long-term debt and trust preferred capital debt securities Proceeds from Issuance of Long-term Debt and Capital Securities, Net Repayments of long-term debt and trust-preferred capital debt securities Repayments of Long-term Debt and Capital Securities Cash dividends paid Payments of Dividends All other financing activities, net Proceeds from (Payments for) Other Financing Activities Net (decrease) in cash and due from banks Cash and Cash Equivalents, Period Increase (Decrease) Cash and due from banks Cash and Due from Banks Federal funds sold and securities purchased under resale agreements (included $18,996 and $20,843 at fair value at June 30, 2009, and December 31, 2008, respectively) Federal Funds Sold and Securities Purchased under Agreements to Resell Loans (included $3,073 and $7,696 at fair value at June 30, 2009, and December 31, 2008, respectively) Loans and Leases Receivable, Net of Deferred Income Allowance for loan losses Loans and Leases Receivable, Allowance, Beginning Balance Loans and Leases Receivable, Allowance, Ending Balance Loans and Leases Receivable, Allowance Loans, net of allowance for loan losses Loans and Leases Receivable, Net Reported Amount Premises and equipment Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net Other assets (included $32,225 and $29,199 at fair value at June 30, 2009, and December 31, 2008, respectively) Other Assets Deposits (included $3,787 and $5,605 at fair value at June 30, 2009, and December 31, 2008, respectively) Deposits Capital surplus Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Additional Paid in Capital Retained earnings Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax Treasury stock, at cost (183,901,727 and 208,833,260 shares at March 31, 2009, and December 31, 2008, respectively) Treasury Stock, Value, Beginning Balance Treasury Stock, Value, Ending Balance Treasury Stock, Value All other intangibles All other intangibles Sum of the carring amounts of all intangible assets, excluding goodwill, mortgage servicing rights, and purchased credit card relationships, as of the balance sheet date, net of accumulated amortization and impairment charges. Stock Issued During Period, Value, New Issues Derivative Instruments Derivative Instruments This element can be used to disclose the entity's entire derivative instruments and hedging activities disclosure as a single block of text. Describes an entity's risk management strategies, derivatives in hedging activities and non-hedging derivative instruments, the assets, obligations, liabilities, revenues and expenses arising there from, and the amounts of and methodologies and assumptions used in determining the amounts of such items. Repurchase Agreements, Resale Agreements, Securities Borrowed and Securities Loaned Disclosure Securities gains Securities gains The net gain or loss realized from the sale, exchange, redemption, or retirement of securities. Purchases Other changes in loans, net Payments for (Proceeds from) Loans and Leases Net cash (used) received in business acquisitions or dispositions Net purchases of asset-backed commercial paper guaranteed by the FRBB All other investing activities, net Repayments of long-term debt and trust-preferred capital debt securities Cash dividends paid Securities gains Professional And Outside Services Common Stock Held In Restricted Stock Unit Trust Fair Value Measurement And Fair Value By Balance Sheet Group [Text Block] Derivative Instruments And Hedging Activities [Text Block] Loans Notes Trade And Other Receivables Gross Of Allowance For Credit Losses [Text Block] Treasury stock, at cost (180,799,067 and 208,833,260 shares at June 30, 2009, and December 31, 2008, respectively) Allowance for loan losses Net purchases of asset-backed commercial paper guaranteed by the FRBB Stockholders' Equity Stock Issued During Period, Value, Employee Stock Ownership Plan Dividend declared - Accelerated amortization from redemption of preferred stock issued to the U.S. Treasury Accelerated amortization from redemption of preferred stock issued to the U.S. Treasury Accelerated amortization from redemption of preferred stock issued to the U.S. Treasury. Stock Redeemed or Called During Period, Value Preferred Stock Preferred Stock [Text Block] Preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemplion is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued and outstanding. Employee Stock-Based Incentives Employee Stock-Based Incentives [Text Block] Disclosure of compensation-related costs for share-based compensation which may include disclosure of policies, compensation plan details, allocation of stock compensation, incentive distributions, share-based arrangements to obtain goods and services, deferred compensation arrangements,employee stock ownership plan details and employee stock purchase plan details. Purchased credit card relationships Purchased Credit Card Relationships Carrying amount (which represents the premium paid over the cost to acquire established credit card accounts) as of the balance sheet date, net of accumulated amortization and impariment charges. Long-term debt (included $53,442 and $58,214 at fair value at June 30, 2009, and December 31, 2008, respectively) Long Term Debt Borrowings Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, and other types of debt (other than junior subordinated deferrable interest debentures held by trusts that issued guaranteed capital debt securities), which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any. Junior subordinated deferrable interest debentures held by trusts that issued guaranteed capital debt securities Junior subordinated deferrable interest debentures held by trusts that issued guaranteed capital debt securities The carrying value of junior subordinated long term debt owed to unconsolidated subsidiary trusts as of the balance sheet date. Goodwill and All Other Intangible Assets Goodwill, Intangible Assets and MSR Disclosure Discloses the aggregate amount of goodwill and a description of intangible assets, which may include (a) for amortizable intangible assets (also referred to as finite-lived intangible assets), the carrying amount, the amount of any significant residual value, and the weighted-average amortization period, (b) for intangible assets not subject to amortization (also referred to as indefinite-lived intangible assets - i.e. servicing assets and servicing liabilities (mortgage servicing rights)), the carrying amount, and (c) the amount of research and development assets acquired and written off in the period, including the line item in the income statement in which the amounts written off are aggregated, if not readily apparent from the income statement. Also discloses (a) for amortizable intangibles assets in total and by major class, the gross carrying amount and accumulated amortization, the total amortization expense for the period, and the estimated aggregate amortization expense for each of the five succeeding fiscal years, (b) for intangible assets not subject to amortization the carrying amount in total and by major class, and (c) for goodwill, in total and for each reportable segment, the changes in the carrying amount of goodwill during the period (including the aggregate amount of goodwill acquired, the aggregate amount of impairment losses recognized, and the amount of goodwill included in the gain or loss on disposal of a reporting unit). If any part of goodwill has not been allocated to a reportable segment, discloses the unallocated amount and the reasons for not allocating. For each impairment loss recognized related to an intangible asset (excluding goodwill), discloses: (a) a description of the impaired intangible asset and the facts and circumstances leading to the impairment, (b) the method for determining fair value including sensitivity analyses on servicing assets and liabilities (i.e. MSRs), (c) the caption in the income statement or the statement of activities in which the impairment loss is aggregated, and (d) the segment in which the impaired intangible asset is reported. For each goodwill impairment loss recognized, discloses: (a) a description of the facts and circumstances leading to the impairment, (b) the amount of the impairment loss and the method of determining the fair value of the associated reporting unit, and (c) if a recognized impairment loss is an estimate not finalized and the reasons why the estimate is not final. May also disclose the nature and amount of any significant adjustments made to a previous estimate of an impairment loss. Also provides the disclosures pertaining to accounting and reporting of servicing assets and servicing liabilities, including sensitivity analyses of fair value estimates. May also discuss relevant information such as collateral; associated debt extinguishments; restrictions on assets; and measurement and measurement assumptions. This element may be used as a single block of text to include the entire intangible asset disclosure including data and tables. Goodwill and All Other Intangible Assets [Text Block] Goodwill and All Other Intangible Assets [Text Block] Goodwill, Intangible Assets and MSR Disclosure. Loan Securitizations Transfers of financial Assets [Text Block] Provides the disclosures pertaining to accounting and reporting of transfers of financial assets, interests continued to be held by the transferor, including sensitivity analyses of fair value estimates. May also discuss relevant information such as collateral; associated debt extinguishments; restrictions on assets; and measurement and measurement assumptions. Adjustments to reconcile net income to net cash provided by (used in) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Dividends declared - preferred stock Dividends, Preferred Stock, Cash Dividend declared - Common stock ($0.10 and $0.76 per share for the six months ended June 30, 2009 and 2008, respectively) Dividends, Common Stock, Cash Securities Borrowed Beneficial Interest Preferred Stock, Value, Issued, Total Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued Common Stock, Value, Issued, Total Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued Commitments and contingencies Commitments and Contingencies Commitments and Contingencies Proceeds from issuance of preferred stock Proceeds from Issuance of Redeemable Preferred Stock Redemption of preferred stock issued to the U.S. Treasury Payments for Repurchase of Redeemable Preferred Stock Redemption of preferred stock issued to the U.S. Treasury Net Cash Provided by (Used in) Operating Activities Cash income taxes paid Income Taxes Paid Cash dividends declared per common share Common Stock, Dividends, Per Share, Cash Paid Other intangible assets: Intangible Assets, Net (Excluding Goodwill) [Abstract] Earnings per share Earnings Per Share [Text Block] Disclosure of the methodology and assumptions used in the reconciliation of earnings per share, which may include the individual income and share amount effects of all securities that affect earnings per share, the effect that has been given to preferred dividends in arriving at income available to common stockholders in computing basic earnings per share, securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic EPS in the future that were not included in the computation of diluted EPS because to do so would have been antidilutive for the period(s) presented and a description of any transaction that occurs after the end of the most recent period but before issuance of the financial statements that would have changed materially the number of common shares or potential common shares outstanding at the end of the period if the transaction had occurred before the end of the period. Accumulated Other Comprehensive Income (Loss) Comprehensive Income Note [Text Block] Other Borrowed Funds [Abstract] Other Borrowed Funds [Abstract] Other Borrowed Funds. Other Borrowed Funds Other Borrowed Funds [Text Block] Total other borrowed funds classified as (1) Other short-term borrowings, short-term and (2) Federal home loan bank, advances, (1) Sum of the carrying amounts at the balance sheet date of short-term borrowings not otherwise specified in the taxonomy having initial terms less than one year or the normal operating cycle, if longer. (2) Federal home loan bank borrowings. Available-for-sale securities: Proceeds from Sale of Available-for-sale Securities [Abstract] Net change in: Increase (Decrease) in Operating Capital [Abstract] Ending Balance Statement of Income (Parenthetical) [Abstract] Statement of Income (Parenthetical) [Abstract] Statement of Income (Parenthetical). Gross unrealized losses Gross Impairment Losses Impairment losses included in securities gains and other comprehensive income. Credit losses Other Than Temporary Impairment Losses Impairment losses included in securities gains. Impairment losses recognized in other comprehensive income Net Impairment Losses Impairment losses included in other comprehensive income. Noncash assets acquired in the merger with Bear Stearns Noncash Assets Acquired The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to to that portion of the transacation not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future. Liabilities assumed in merger with Bear Stearns Liabilities Assumed in Merger The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to to that portion of the transacation not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future. Common stock issued in connection with Bear Stearns Merger Common Stock Issued in Connection with Merger The value of shares issued as [noncash or part noncash] consideration for a business or asset acquired. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Statements of Cash Flows (Parenthetical) [Abstract] Statements of Cash Flows (Parenthetical) [Abstract] Statements of Cash Flows (Parenthetical). Proceeds from asset sale to the FRBNY Net change from the Bear Stearns merger as a result of the reissuance of treasury stock and the Share Exchange agreement Stock Issued During Period, Value, Acquisitions Reissuance from RSU Trust Dividend declared - Common stock ($0.10 and $0.76 per share for the six months ended June 30, 2009 and 2008, respectively) Net Change from the Bear Stearns Merger - Employee stock awards Redemption of preferred stock issued to the U.S. Treasury Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Amendment Description Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Statement [Table] Statement [Line Items] Revenues [Abstract] Investment Banking Revenue Principal Transactions Revenue Noninterest Income Interest and Dividend Income, Operating Interest Expense Interest Income (Expense), Net Provision for Loan, Lease, and Other Losses Noninterest Expense [Abstract] Labor and Related Expense Marketing and Advertising Expense Other Noninterest Expense Amortization of Intangible Assets Income Tax Expense (Benefit) Net Income (Loss) Available to Common Stockholders, Basic Earnings Per Share [Abstract] Weighted Average Number of Shares Outstanding, Basic Weighted Average Number of Diluted Shares Outstanding Statement, Scenario [Axis] Scenario, Unspecified [Domain] Assets [Abstract] Interest-bearing Deposits in Banks Goodwill Intangible Assets Net Excluding Goodwill And Mortgage Servicing Rights Assets Liabilities [Abstract] Commercial Paper Liabilities Commitments And Contingencies2009 Stockholders' Equity [Abstract] Liabilities and Stockholders' Equity Trading Securities Pledged as Collateral Preferred Stock, Par or Stated Value Per Share Preferred Stock, Shares Authorized Preferred Stock, Shares Issued Common Stock, Par or Stated Value Per Share Common Stock, Shares Authorized Common Stock, Shares, Issued Treasury Stock, Shares Statement, Class of Stock [Axis] Class of Stock [Domain] Net Cash Provided by (Used in) Operating Activities [Abstract] Depreciation, Amortization and Accretion, Net Deferred Income Tax Expense (Benefit) Gain (Loss) on Investments Gain (Loss) on Sale of Investments Share-based Compensation Payments for Origination and Purchases of Loans Held-for-sale Increase (Decrease) in Financial Instruments Used in Operating Activities Increase (Decrease) in Cash Collateral for Borrowed Securities Increase (Decrease) in Trading Liabilities Net Cash Provided by (Used in) Investing Activities [Abstract] Proceeds from (Payments for) in Interest-bearing Deposits in Banks Proceeds from Sale and Maturity of Held-to-maturity Securities [Abstract] Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Increase Decrease In Asset Backed Commercial Paper Net Cash Provided by (Used in) Investing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from (Repayments of) Other Debt Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from Issuance of Common Stock Net Cash Provided by (Used in) Financing Activities Effect of Exchange Rate on Cash and Cash Equivalents Interest Paid Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Shares Issued Stock Issued During Period, Value, Treasury Stock Reissued Other Comprehensive Income (Loss), Net of Tax, Period Increase (Decrease) Comprehensive Income, Net of Tax Scenario, Actual [Member] Scenario, Forecast [Member] Scenario, Plan [Member] Scenario, Previously Reported [Member] Statement, Equity Components [Axis] Equity Component [Domain] Shares Held In Trust Member Capital Units [Member] Common Stock Including Additional Paid in Capital [Member] Preferred Stock Including Additional Paid in Capital [Member] Deferred Compensation, Share-based Payments [Member] Retained Earnings, Appropriated [Member] Retained Earnings, Unappropriated [Member] Undistributed Income from Other than Gain or Loss on Sale of Properties [Member] Undistributed Net Realized Gain or Loss on Sale of Properties [Member] Accumulated Net Unrealized Investment Gain (Loss) [Member] Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member] Accumulated Translation Adjustment [Member] Accumulated Defined Benefit Plans Adjustment [Member] Series C Preferred Stock [Member] Nonredeemable Convertible Preferred Stock [Member] Series E Preferred Stock [Member] Cumulative Preferred Stock [Member] Common Class A [Member] Nonredeemable Preferred Stock [Member] Series A Preferred Stock [Member] Redeemable Preferred Stock [Member] Series D Preferred Stock [Member] Redeemable Convertible Preferred Stock [Member] Noncumulative Preferred Stock [Member] Nonvoting Common Stock [Member] Series B Preferred Stock [Member] Series H Preferred Stock [Member] Preferred Class A [Member] Convertible Preferred Stock [Member] Preferred Class B [Member] Common Class B [Member] Convertible Common Stock [Member] Series G Preferred Stock [Member] Series F Preferred Stock [Member] Common Stock, Dividends, Per Share, Declared Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Fair Value, Option [Text Block] Interest Income and Interest Expense Disclosure [Text Block] Pension and Other Postretirement Benefits Disclosure [Text Block] Schedule of Variable Interest Entities [Text Block] Goodwill Intangible Assets And M S R Disclosure [Text Block] Deposit Liabilities Disclosures [Text Block] Commitments and Contingencies Disclosure [Text Block] Segment Reporting Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income Loss Text Block This label may include the following: 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. Components of comprehensive income include: (1) foreign currency translation adjustments; (2) gains and losses on foreign currency transactions that are designated as, and are effective as, economic hedges of a net investment in a foreign entity; (3) gains and losses on intercompany foreign currency transactions that are of a long-term-investment nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements; (4) change in the market value of a futures contract that qualifies as a hedge of an asset reported at fair value; (5) unrealized holding gains and losses on available-for-sale securities and that resulting from transfers of debt securities from the held-to-maturity category to the available-for-sale category; (6) a net loss recognized as an additional pension liability not yet recognized as net periodic pension cost; and (7) the net gain or loss and net prior service cost or credit for pension plans and other postretirement benefit plans. Net change in: Net Change In [Abstract] Net Change In [Abstract]