Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements Fair Value Measurements - Recurring Fair Value Inputs (Details)

v2.4.0.6
Fair Value Measurements Fair Value Measurements - Recurring Fair Value Inputs (Details) (USD $)
 12 Months Ended 12 Months Ended 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2011
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Measurements, Recurring [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Instruments Backed by Other Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Auction Rate Securities [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Equity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Commodity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Interest Rate Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Derivative Financial Instruments, Liabilities [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Instruments Backed by Other Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Auction Rate Securities [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Equity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Commodity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Interest Rate Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Minimum [Member]
Derivative Financial Instruments, Liabilities [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Credit Default Swaps Referencing CLOs and Corporate Assets [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Hazard Rate Model Stochastic Recovery Correlation Model [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Instruments Backed by Other Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Auction Rate Securities [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Equity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Commodity Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Interest Rate Contract [Member]
Derivative Financial Instruments, Assets [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Loans and Securities [Member]
Fair Value, Measurements, Recurring [Member]
Discounted Cash Flow Market Comparables [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Maximum [Member]
Derivative Financial Instruments, Liabilities [Member]
Structured Finance [Member]
Fair Value, Measurements, Recurring [Member]
Industry Standard Derivative Pricing [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value Inputs, Assets And Liabilities, Quantitative Information [Line Items]                                                                      
Loans and Securities Fair Value Disclosure                   $ 1,910,000,000 [1] $ 10,778,000,000 [1] $ 3,414,000,000 [1]       $ 4,478,000,000 [1]                                      
Trading Account Assets - Mortgage Trading Loans and ABS, Fair Value Disclosure         4,900,000,000           4,476,000,000 [1]         459,000,000 [1]                                      
Loans And Leases Fair Value Disclosure     9,002,000,000 8,804,000,000 2,287,000,000 2,744,000,000         1,001,000,000 [1]         1,286,000,000 [1]                                      
Loans held-for-sale 11,659,000,000 7,630,000,000 11,659,000,000 7,630,000,000 2,733,000,000 3,387,000,000                   2,733,000,000 [1]                                      
Other Assets, Fair Value Disclosure 40,983,000,000 37,084,000,000 40,983,000,000 37,084,000,000 3,129,000,000 4,235,000,000     1,900,000,000 1,910,000,000 [1]                                                  
Trading Account Assets - Corporate Securities, Trading Loans and Other, Fair Value Disclosure         3,700,000,000           2,289,000,000 [1] 1,437,000,000 [1]                                              
Available For Sale Securities - Other Taxable Securities, Fair Value Disclosure         3,900,000,000           3,012,000,000 [1] 916,000,000 [1]                                              
Available For Sale Debt Securities - Tax Exempt Securities, Fair Value Disclosure         1,100,000,000             1,061,000,000 [1]                                              
Debt Instrument, Fair Value Disclosure                                 (2,301,000,000) [1],[2]                                    
Derivative Asset, Fair Value, Net             1,468,000,000 2,327,000,000         (1,295,000,000) (5,000,000) 441,000,000                                        
Fair Value Inputs Yield                                   2.00%    0.00%         2.00%   25.00% 5.00% 25.00%         25.00%  
Fair Value Inputs, Prepayment Rate                                   3.00%   5.00%         1.00%   30.00%   30.00%         30.00%  
Fair Value Inputs, Probability of Default                                   0.00%   1.00%         0.00%   8.00%   5.00%         44.00%  
Fair Value Inputs, Loss Severity                                   25.00% 51.00% 25.00%         6.00%   42.00% 100.00% 40.00%         85.00%  
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple                                       2                 11            
Financial Instrument, Basis Spread on Variable Discount Rate                                         0.00%                 10.00%          
Fair Value Inputs, Projected Tender Price to Refinancing Level                                         50.00%                 100.00%          
Fair Value Inputs Yield, Weighted Average                     4.00%         6.00%                                      
Fair Value Inputs, Prepayment Rate, Weighted Average                     20.00%         11.00%                                      
Fair Value Inputs, Probability of Default, Weighted Average                     4.00%         8.00%                                      
Fair Value Inputs, Loss Severity, Weighted Average                   88.00% 35.00%         36.00%                                      
Fair Value Inputs, Earnings before Interest, Taxes, Depreciation, and Amortization Multiple, Weighted Average                     5                                                
Fair Value Inputs, Discount Rate, Weighted Average                       4.00%                                              
Fair Value Inputs, Projected Tender Price to Refinancing Level, Weighted Average                       92.00%                                              
Fair Value Inputs, Equity Correlation                                           0.30                 0.97        
Fair Value Assumptions, Expected Volatility Rate                                           20.00%       20.00%         70.00%       70.00%
Fair Value Inputs, Credit Spreads                                   58                 615                
Fair Value Inputs, Upfront Points                                   25                 99                
Fair Value Inputs, Spread to Index                                   (2,080)                 1,972                
Fair Value Inputs, Credit Correlation                                   19.00%                 75.00%                
Fair Value Inputs, Long-Term Natural Gas Basis Curve                                             $ (0.30)                 $ 0.30      
Fair Value Inputs, Correlation Interest Rate to Interest Rate                                               15.00%                 99.00%    
Fair Value Inputs, Correlation of Foreign Exchange Rates to Interest Rates                                               (65.00%)                 50.00%    
Fair Value Inputs, Long-Dated Inflation Rates                                               2.00%                 3.00%    
Fair Value Inputs, Long-Dated Inflation Volatilities                                               0.00%                 1.00%    
Fair Value Inputs, Long-Dated Volatilities - Interest Rates, Foreign Exchange Rates                                               5.00%                 36.00%    
Fair Value Inputs, Long-Dated Swap Rates                                               8.00%                 10.00%    
[1] The categories are aggregated based on product type which differs from financial statement classification. The following is a reconciliation to the line items in the table on page 261: Trading account assets – Corporate securities, trading loans and other of $3.7 billion, Trading account assets – Mortgage trading loans and ABS of $4.9 billion, AFS debt securities – Other taxable securities of $3.9 billion, AFS debt securities – Tax-exempt securities of $1.1 billion, Loans and leases of $2.3 billion, LHFS of $2.7 billion and Other assets of $1.9 billion.
[2] For additional information on the ranges of inputs for equity correlation and long-dated volatilities, see the qualitative equity derivatives discussion on page 268.