Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Recurring Fair Value Inputs (Details)

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Fair Value Measurements - Recurring Fair Value Inputs (Details) (USD $)
 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended 6 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Jun. 30, 2012
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2011
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2011
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Private Equity Investments and Funds [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Years
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
multiple
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Measurements, Nonrecurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Other Assets [Member]
Fair Value, Measurements, Recurring [Member]
multiple
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Option One [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Option Two [Member]
Fair Value, Inputs, Level 3 [Member]
Auction Rate Securities [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Equity Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Interest Rate Contracts [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Liabilities [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Liabilities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Industry Standard Derivative Pricing [Member]
Derivative Financial Instruments, Liabilities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Derivative Financial Instruments, Assets [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Derivative Financial Instruments, Assets [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Commodity Contract [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Minimum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Jun. 30, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Maximum [Member]
Fair Value, Inputs, Level 3 [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]                                                                                      
Loans and Securities Fair Value Disclosure                       $ 4,245,000,000 [1] $ 8,041,000,000 $ 10,215,000,000 [1] $ 4,127,000,000 [1]                                                   $ 2,438,000,000 [1]    
Trading Account Assets - Mortgage Trading Loans and ABS, Fair Value Disclosure         4,800,000,000             784,000,000 [1]   3,735,000,000 [1]                                                     299,000,000 [1]    
Loans and leases     8,361,000,000 8,804,000,000 1,635,000,000 2,744,000,000 6,902,000,000 [2] 9,437,000,000 [2]       1,185,000,000 [1] 6,902,000,000 450,000,000                                                          
Loans Held-for-sale, Fair Value Disclosure 10,187,000,000 7,630,000,000 10,187,000,000 7,630,000,000 2,741,000,000 [3],[4] 3,387,000,000 [3],[4] 1,139,000,000 1,779,000,000       2,276,000,000 [1] 1,139,000,000                                                       465,000,000 [1]    
Other Assets, Fair Value Disclosure 32,625,000,000 37,084,000,000 32,625,000,000 37,084,000,000 3,136,000,000 4,235,000,000 11,000,000 96,000,000 1,700,000,000 1,500,000,000                                                             1,674,000,000 [1]    
Available For Sale Securities - Other Taxable Securities, Fair Value Disclosure         4,600,000,000                 3,301,000,000 [1] 1,257,000,000 [1]                                                        
Trading Account Assets - Corporate Securities, Trading Loans and Other, Fair Value Disclosure         4,500,000,000                 2,729,000,000 [1] 1,730,000,000 [1]                                                        
Available For Sale Debt Securities - Tax Exempt Securities, Fair Value Disclosure         1,100,000,000                   1,140,000,000 [1]                                                        
Debt Instrument, Fair Value Disclosure                                                                     (2,388,000,000)                
Derivative Asset, Fair Value, Net                     4,601,000,000                             4,639,000,000 [5]     (481,000,000) [6] 444,000,000 [6]               (1,000,000)          
Fair Value Inputs, Yield                               1.00% 4.00% 0.00%   25.00% 7.00% 20.00%         0.00% 25.00%                           1.00% 10.00%
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple                                   3       7                                          
Fair Value Inputs, Weighted Average Life                             5                                                        
Financial Instrument, Description of Discount Rate, Variable Basis                                               LIBOR JJK                                    
Financial Instrument, Basis Spread on Variable Discount Rate                                               2.00% 1.50%                                    
Fair Value Inputs, Projected Tender Price to Refinancing Level                                     50.00%       100.00%                                        
Fair Value Inputs, Correlation Index to Index                                                                       0.30 [7] 0.97 [7]            
Fair Value Assumptions, Expected Volatility Rate                                                             20.00% [7]   70.00% [7]     20.00% [7] 70.00% [7]            
Fair Value Inputs, Credit Spreads                                                     0.01 0.05                              
Fair Value Inputs, Equity Correlation                                                             30.00%   97.00%                    
Fair Value Inputs, Upfront Points                                                     0.53 0.99                              
Fair Value Inputs, Prepayment Rate                               0.00% 3.00% 5.00%   28.00% 27.00% 25.00%         0.00% (28.00%)                              
Fair Value Inputs, Probability of Default                               0.00% 0.00% 1.00%   54.00% 61.00% 5.00%         0.00% 5.00%                              
Fair Value Inputs, Loss Severity                               0.00% 0.00% 25.00%   80.00% 62.00% 40.00%         0.00% 70.00%                           0.00% 97.00%
Fair Value Inputs, Spread to Index                                                     (20) 20                              
Fair Value Inputs, Credit Correlation                                                     30.00% 80.00%                              
Fair Value Inputs, Long-Term Natural Gas Basis Curve                                                                             $ (0.53) $ 0.30      
Fair Value Inputs, Correlation Interest Rate to Interest Rate                                                               15.00%   100.00%                  
Fair Value Inputs, Correlation of Foreign Exchange Rates to Interest Rates                                                               (65.00%)   50.00%                  
Fair Value Inputs, Long-Dated Inflation Rates                                                               1.00%   3.00%                  
Fair Value Inputs, Long-Dated Inflation Volatilities                                                               0.00%   1.00%                  
Fair Value Inputs, Long-Dated Volatilities - Interest Rates, Foreign Exchange Rates                                                               7.00%   38.00%                  
Fair Value Inputs, Long-Dated Swap Rates                                                               9.00%   11.00%                  
[1] The categories presented in the table above have been aggregated based upon product type which differs from financial statement classification. The following is a reconciliation to the line items in the table on page 218: Trading account assets – Corporate securities, trading loans and other of $4.5 billion, Trading account assets – Mortgage trading loans and ABS of $4.8 billion, AFS debt securities – Other taxable securities of $4.6 billion, AFS debt securities – Tax-exempt securities of $1.1 billion, Loans and leases of $1.6 billion, LHFS of $2.7 billion and Other assets of $1.7 billion.
[2] Gains (losses) represent charge-offs on real estate-secured loans.
[3] Amounts represent items that are accounted for under the fair value option.
[4] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[5] The hazard rate model is an industry standard model for valuing CDS for single names or indices.
[6] Includes models such as Monte Carlo simulation, Black-Scholes and other methods that model the joint dynamics of interest, inflation and foreign exchange rates.
[7] Includes models such as Monte Carlo simulation and Black-Scholes.