Commitments and Contingencies (Details Textuals) (USD $) |
3 Months Ended | 6 Months Ended | 9 Months Ended | 1 Months Ended | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2011 |
Sep. 30, 2010 |
Jun. 30, 2011 |
Sep. 30, 2011 |
Sep. 30, 2010 |
Dec. 31, 2010 |
Jun. 30, 2010 |
Dec. 31, 2009 |
Sep. 30, 2011
Investment grade [Member]
|
Dec. 31, 2010
Investment grade [Member]
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Sep. 30, 2011
Non-investment grade [Member]
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Dec. 31, 2010
Non-investment grade [Member]
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Sep. 30, 2011
Agreements [Member]
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Dec. 31, 2010
Agreements [Member]
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Sep. 30, 2011
Guarantees [Member]
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Dec. 31, 2010
Guarantees [Member]
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Sep. 30, 2011
Commercial Banking [Member]
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Dec. 31, 2010
Commercial Banking [Member]
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Sep. 30, 2011
Maturity Date Due 2030-2040 [Member]
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Dec. 31, 2010
Maturity Date Due 2030-2040 [Member]
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Sep. 30, 2011
Maturity Date Due 2010-2014 [Member]
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Dec. 31, 2010
Maturity Date Due 2010-2014 [Member]
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Sep. 30, 2011
SPEs [Member]
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Dec. 31, 2010
SPEs [Member]
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Sep. 28, 2011
Lehman Settlement Agreement [Member]
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Sep. 28, 2011
Merrill Lynch Settlement Agreement [Member]
|
Aug. 28, 2011
AIG Litigation [Member]
|
Sep. 30, 2011
Purchase Commitment [Member]
|
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| Commitments and Contingencies (Textuals) [Abstract] | ||||||||||||||||||||||||||||
| Notional amount of SBLCs and financial guarantees | $ 40,500,000,000 | $ 41,100,000,000 | $ 18,600,000,000 | $ 22,400,000,000 | ||||||||||||||||||||||||
| Maximum exposure related to these chargeback transactions | 204,000,000,000 | 204,000,000,000 | 139,500,000,000 | 5,100,000,000 | 5,000,000,000 | |||||||||||||||||||||||
| Notional amount | 374,000,000 | 666,000,000 | 4,500,000,000 | 4,300,000,000 | 15,900,000,000 | 15,800,000,000 | 30,700,000,000 | 33,800,000,000 | 1,800,000,000 | 1,700,000,000 | ||||||||||||||||||
| Maximum potential future payment | 3,600,000,000 | 3,400,000,000 | ||||||||||||||||||||||||||
| Committed operating lease for year, 2011 | 800,000,000 | |||||||||||||||||||||||||||
| Committed operating lease for year, 2012 | 3,000,000,000 | |||||||||||||||||||||||||||
| Committed operating lease for year, 2013 | 2,500,000,000 | |||||||||||||||||||||||||||
| Committed operating lease for year, 2014 | 1,900,000,000 | |||||||||||||||||||||||||||
| Committed operating lease for year, 2015 | 1,500,000,000 | |||||||||||||||||||||||||||
| Committed operating lease for thereafter | 7,200,000,000 | |||||||||||||||||||||||||||
| Commitments and Contingencies Additional (Textuals) [Abstract] | ||||||||||||||||||||||||||||
| Legally binding unfunded commitments distributed to other financial institutions | 25,800,000,000 | 25,800,000,000 | 23,300,000,000 | |||||||||||||||||||||||||
| Carrying amount of those legally binding unfunded lending commitments, excluding commitments accounted for under the fair value option | 818,000,000 | 818,000,000 | 1,200,000,000 | |||||||||||||||||||||||||
| Deferred revenue related to binding unfunded lending commitments | 28,000,000 | 28,000,000 | 29,000,000 | |||||||||||||||||||||||||
| Reserve for unfunded legally binding lending commitments | 790,000,000 | 790,000,000 | 1,188,000,000 | |||||||||||||||||||||||||
| Notional amount of commitments accounted for under the fair value option | 27,700,000,000 | 27,700,000,000 | 27,300,000,000 | |||||||||||||||||||||||||
| Consumer letters of credit included in SBLC and financial guarantees | 724,000,000 | 724,000,000 | ||||||||||||||||||||||||||
| Other letters of credit included in SBLC and financial guarantees | 362,000,000 | 362,000,000 | ||||||||||||||||||||||||||
| Amount included of consumer letters of credit in letters of credit | 117,000,000 | 117,000,000 | 849,000,000 | |||||||||||||||||||||||||
| Amount included of commercial letters of credit in letters of credit | 3,300,000,000 | 3,300,000,000 | 3,800,000,000 | |||||||||||||||||||||||||
| Unfunded equity investment commitments | 977,000,000 | 977,000,000 | 1,500,000,000 | |||||||||||||||||||||||||
| Commitment to purchase residential mortgage and commercial real estate loans | 3,400,000,000 | 3,400,000,000 | 2,600,000,000 | |||||||||||||||||||||||||
| Committed for entering into forward-dated resale and securities borrowing agreements | 84,300,000,000 | 84,300,000,000 | 39,400,000,000 | |||||||||||||||||||||||||
| Committed for entering into forward-dated repurchase and securities lending agreements | 52,600,000,000 | 52,600,000,000 | 33,500,000,000 | |||||||||||||||||||||||||
| Committed minimum fees on data communications | 1,900,000,000 | 1,900,000,000 | 2,100,000,000 | |||||||||||||||||||||||||
| Merchant services transactions processed by the Corporation | 128,200,000,000 | 84,000,000,000 | 323,100,000,000 | 245,900,000,000 | ||||||||||||||||||||||||
| Losses as a result of cardholder disputed transactions | 2,000,000 | 5,000,000 | 8,000,000 | 13,000,000 | ||||||||||||||||||||||||
| Merchant escrow deposits held as collateral | 242,000,000 | 242,000,000 | 25,000,000 | |||||||||||||||||||||||||
| Guarantee of subsidiaries' derivative liabilities | 3,000,000,000 | 3,000,000,000 | 2,100,000,000 | |||||||||||||||||||||||||
| Increase in reserves for PPI claims | 152,000,000 | |||||||||||||||||||||||||||
| Insurance claims recorded as liability due to regulatory guidance | 617,000,000 | 769,000,000 | 617,000,000 | 630,000,000 | ||||||||||||||||||||||||
| Litigation related expenses | 566,000,000 | 482,000,000 | 3,800,000,000 | 1,200,000,000 | ||||||||||||||||||||||||
| Aggregated Range of possible loss estimated minimum | 0 | |||||||||||||||||||||||||||
| Aggregated Range of possible loss estimated maximum | 3,600,000,000 | |||||||||||||||||||||||||||
| Private placements from which plaintiffs purchased MBS issued by country wide financial corporation related entities | 6 | |||||||||||||||||||||||||||
| Litigation Settlement, Gross | 8,500,000,000 | 356,000,000 | ||||||||||||||||||||||||||
| Equity Method Investment, Ownership Percentage | 49.00% | 46.50% | ||||||||||||||||||||||||||
| Loss Contingency, Damages Sought, Value | $ 502,000,000 | $ 1,100,000,000 | $ 10,000,000,000 | |||||||||||||||||||||||||
| Number of Mortgage Backed Security Offerings Involved in Litigation | 349 | |||||||||||||||||||||||||||