Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Nonrecurring Fair Value Inputs (Details)

v2.4.0.8
Fair Value Measurements - Nonrecurring Fair Value Inputs (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2013
Dec. 31, 2012
Sep. 30, 2013
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Sep. 30, 2012
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Private Equity Investments and Funds [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Private Equity Investments and Funds [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow Market Comparables [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Residential Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Sep. 30, 2013
Discounted Cash Flow [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Minimum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Sep. 30, 2013
Discounted Cash Flow [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Recurring [Member]
Sep. 30, 2013
Discounted Cash Flow [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Dec. 31, 2012
Discounted Cash Flow [Member]
Loans and Securities [Member]
Maximum [Member]
Instruments Backed by Commercial Real Estate Assets [Member]
Fair Value, Inputs, Level 3 [Member]
Fair Value, Measurements, Nonrecurring [Member]
Fair Value, Option, Quantitative Disclosures [Line Items]                                                                  
Loans and Securities Fair Value Disclosure                       $ 3,331 [1] $ 4,478 [2] $ 5,114 $ 9,932                 $ 1,910 [2] $ 388                
Fair Value Inputs Yield, Weighted Average                       7.00% 6.00%   3.00%                   6.00%                
Loans Held-for-sale, Fair Value Disclosure 8,217 11,659 8,217 11,659 913 [3],[4] 2,733 [3],[4] 274 1,006       609 [1] 2,733 [2]   748                   388                
Fair Value Inputs, Prepayment Rate, Weighted Average                       9.00% 10.00%   15.00%                                    
Loans and leases     10,196 9,002 3,016 2,287 5,114 [5] 8,576 [5]       2,366 [1] 1,286 [2] 5,114 9,184                                    
Fair Value Inputs, Probability of Default, Weighted Average                       7.00% 6.00%   7.00%                                    
Fair Value Inputs, Loss Severity, Weighted Average                       37.00% 43.00%   48.00%                 88.00% 53.00%                
Fair Value Inputs, Discount Rate, Weighted Average                           9.00% 15.00%                                    
Fair Value Inputs, Yield                               2.00% 2.00% 3.00% 3.00% 25.00% 25.00% 6.00% 5.00%     5.00% 5.00% 13.00% 4.00% 18.00% 5.00% 14.00% 13.00%
Fair Value Inputs, Prepayment Rate                               1.00% 1.00% 3.00% 3.00% 35.00% 30.00% 20.00% 30.00%                    
Fair Value Inputs, Probability of Default                               0.00% 0.00% 0.00% 0.00% 20.00% 44.00% 28.00% 55.00%                    
Fair Value Inputs, Loss Severity                               0.00% 6.00% 8.00% 6.00% 85.00% 85.00% 61.00% 66.00%     73.00% 51.00% 18.00% 24.00% 83.00% 100.00% 82.00% 88.00%
Fair Value Inputs, Discount Rate                                   0.00% 0.00%     19.00% 28.00%                    
Fair Value Inputs, Cost to Sell                           8.00% 8.00%                                    
Other Assets, Fair Value Disclosure $ 18,204 $ 26,490 $ 18,204 $ 26,490 $ 1,878 $ 3,129 $ 10 $ 111 $ 1,900 $ 934 $ 1,200                         $ 1,910 [2]                  
[1] The categories are 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 237: Trading account assets – Corporate securities, trading loans and other of $3.8 billion, Trading account assets – Mortgage trading loans and ABS of $4.5 billion, AFS debt securities – Other taxable securities of $4.0 billion, AFS debt securities – Tax-exempt securities of $817 million, Loans and leases of $3.0 billion and LHFS of $913 million.
[2] The categories are 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 238: 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.
[3] Assets (liabilities). For assets, increase / (decrease) to Level 3 and for liabilities, (increase) / decrease to Level 3.
[4] Net derivatives include derivative assets of $10.0 billion and derivative liabilities of $7.0 billion.
[5] Losses represent charge-offs on real estate-secured loans