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Borrowings and Deposits - Debt (Details) (USD $)
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Jun. 30, 2012
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Dec. 31, 2011
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| Borrowings, Fair Value [Abstract] | ||||||||||||||
| Senior Notes | $ 50,796,000,000 | $ 59,394,000,000 | ||||||||||||
| Senior Structured Notes | 27,719,000,000 | 28,523,000,000 | ||||||||||||
| Subordinated Debt | 10,597,000,000 | 12,661,000,000 | ||||||||||||
| Junior subordinated notes (related to trust preferred securities) | 3,799,000,000 | 3,789,000,000 | ||||||||||||
| Other Subsidiary Financing | 1,103,000,000 | 868,000,000 | ||||||||||||
| Debt Issued by Consoidated Variable Interest Entities | 10,061,000,000 | 11,534,000,000 | ||||||||||||
| Short-term borrowings [abstract] | ||||||||||||||
| Other unsecured short-term borrowings | 1,053,000,000 | 1,112,000,000 | ||||||||||||
| Short-term debt issued by consolidated VIEs | 3,165,000,000 | [1] | 4,939,000,000 | [1] | ||||||||||
| Short-term borrowings | 4,218,000,000 | 6,051,000,000 | ||||||||||||
| Long-term borrowings [Abstract] | ||||||||||||||
| Fixed-rate obligations | 54,954,000,000 | [2],[3] | 60,482,000,000 | [2],[3] | ||||||||||
| Variable-rate obligations | 34,208,000,000 | [2],[4],[5] | 39,852,000,000 | [2],[4],[5] | ||||||||||
| Long-term debt issued by consolidated VIEs | 6,896,000,000 | [1],[2] | 6,595,000,000 | [1],[2] | ||||||||||
| Long-term borrowings | 96,058,000,000 | [2] | 106,929,000,000 | [2] | ||||||||||
| Deposits, Non-U.S. | 12,289,000,000 | 12,364,000,000 | ||||||||||||
| Weighted Average Interest Rates [Abstract] | ||||||||||||||
| Short-term borrowings | 0.30% | 0.40% | ||||||||||||
| Long-term borrowings | 4.00% | 4.00% | ||||||||||||
| Junior subordinated notes (related to trust preferred securities) | 6.50% | 6.50% | ||||||||||||
| Aggregated standby letters of credit | 1,700,000,000 | 2,100,000,000 | ||||||||||||
| Maturities of Long-term Borrowings [Abstract] | ||||||||||||||
| Less than 1 year | 25,750,000,000 | |||||||||||||
| 1-2 years | 20,224,000,000 | |||||||||||||
| 2-3 years | 9,689,000,000 | |||||||||||||
| 3-4 years | 4,847,000,000 | |||||||||||||
| 4-5 years | 5,045,000,000 | |||||||||||||
| Greater than 5 years | 30,503,000,000 | |||||||||||||
| Less than 1 year, percentage | 27.00% | |||||||||||||
| 1-2 years, percentage | 21.00% | |||||||||||||
| 2-3 years, percentage | 10.00% | |||||||||||||
| 3-4 years, percentage | 5.00% | |||||||||||||
| 4-5 years, percentage | 5.00% | |||||||||||||
| Greater than 5 years, percentage | 32.00% | |||||||||||||
| Total, percentage | 100.00% | |||||||||||||
| Debt, Long-term and Short-term, Combined Amount | $ 104,075,000,000 | $ 116,769,000,000 | ||||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents Debt Issued by Consoidated Variable Interest Entities. No definition available.
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- Definition
Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of junior subordinated notes outstanding by type or by instrument at that time. No definition available.
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- Details
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- Definition
Long-term Debt Issued by Consolidated Variable Interest Entities No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal After Year Five, Percentage No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months, Percentage No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal In Year Five, Percentage No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal In Year Four, Percentage No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal In Year Three, Percentage No definition available.
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- Definition
Long Term Debt Maturities Repayments Of Principal In Year Two, Percentage No definition available.
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- Definition
Long Term Debt, Percentage No definition available.
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- Details
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- Definition
This element represents Other Subsidiary Financing. No definition available.
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- Definition
This element represents Senior Strucutred Notes. No definition available.
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- Definition
Short Term Debt Issued by Consolidated Variable Interest Entities No definition available.
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- Definition
Unsecured Short-term Borrowings No definition available.
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- Details
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- Definition
Represents the aggregate of total long-term debt, including current maturities and short-term debt. No definition available.
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- Definition
The aggregate of all foreign interest-bearing and noninterest-bearing deposit liabilities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing after the fifth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt, sinking fund requirements, and other securities redeemable at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. No definition available.
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- Definition
The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. No definition available.
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- Definition
Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of long-term debt outstanding by type or by instrument at that time. No definition available.
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- Definition
The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for letter of credit arrangements, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of Notes with the highest claim on the assets of the issuer in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle if longer). Senior note holders are paid off in full before any payments are made to junior note holders. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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- Definition
Reflects the calculation as of the balance sheet date of the average interest rate weighted by the amount of short-term debt outstanding by type or by instrument at that time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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