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Fair Value Measurements - Quantitative Information about Recurring Fair Value Measurement of Assets and Liabilities Classified as Level 3 (Detail) (USD $)
3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
Mar. 31, 2013
Dec. 31, 2012
Mar. 31, 2014
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Prepayment rates [Member]
Dec. 31, 2013
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Prepayment rates [Member]
Mar. 31, 2014
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Constant default rates [Member]
Dec. 31, 2013
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Constant default rates [Member]
Mar. 31, 2014
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Loss Severity Rates [Member]
Dec. 31, 2013
Minimum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Loss Severity Rates [Member]
Mar. 31, 2014
Minimum [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Spread volatility on collateral assets [Member]
Dec. 31, 2013
Minimum [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Spread volatility on collateral assets [Member]
Mar. 31, 2014
Minimum [Member]
Foreign debt securities [Member]
Discounted cash flows [Member]
Credit Spread [Member]
Dec. 31, 2013
Minimum [Member]
Foreign debt securities [Member]
Discounted cash flows [Member]
Correlations of default among a portfolio of credit names of embedded credit derivatives [Member]
Mar. 31, 2014
Minimum [Member]
Interest rate contracts [Member]
Market comparable adjusted for probability to fund [Member]
Probability to fund for rate lock commitments [Member]
Dec. 31, 2013
Minimum [Member]
Interest rate contracts [Member]
Market comparable adjusted for probability to fund [Member]
Probability to fund for rate lock commitments [Member]
Mar. 31, 2014
Minimum [Member]
Foreign exchange contracts [Member]
Option pricing model [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Minimum [Member]
Foreign exchange contracts [Member]
Option pricing model [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Minimum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Minimum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity Index volatility [Member]
Mar. 31, 2014
Minimum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity and Equity / Index correlation
Dec. 31, 2013
Minimum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Minimum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Dec. 31, 2013
Minimum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Mar. 31, 2014
Minimum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Issuer by issuer correlation of defaults [Member]
Dec. 31, 2013
Minimum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Industry by industry correlation of defaults [Member]
Mar. 31, 2014
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Constant prepayment rates [Member]
Dec. 31, 2013
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Constant prepayment rates [Member]
Mar. 31, 2014
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Option adjusted spread [Member]
Dec. 31, 2013
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Option adjusted spread [Member]
Mar. 31, 2014
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Estimated annualized costs to service [Member]
Dec. 31, 2013
Minimum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Estimated annualized costs to service [Member]
Mar. 31, 2014
Minimum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Minimum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Minimum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Minimum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Minimum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Mar. 31, 2014
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Dec. 31, 2013
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Minimum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Prepayment rates [Member]
Dec. 31, 2013
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Prepayment rates [Member]
Mar. 31, 2014
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Constant default rates [Member]
Dec. 31, 2013
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Constant default rates [Member]
Mar. 31, 2014
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Loss Severity Rates [Member]
Dec. 31, 2013
Maximum [Member]
Collateralized debt obligations [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Loss Severity Rates [Member]
Mar. 31, 2014
Maximum [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Spread volatility on collateral assets [Member]
Dec. 31, 2013
Maximum [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Spread volatility on collateral assets [Member]
Mar. 31, 2014
Maximum [Member]
Foreign debt securities [Member]
Discounted cash flows [Member]
Credit Spread [Member]
Dec. 31, 2013
Maximum [Member]
Foreign debt securities [Member]
Discounted cash flows [Member]
Correlations of default among a portfolio of credit names of embedded credit derivatives [Member]
Mar. 31, 2014
Maximum [Member]
Interest rate contracts [Member]
Market comparable adjusted for probability to fund [Member]
Probability to fund for rate lock commitments [Member]
Dec. 31, 2013
Maximum [Member]
Interest rate contracts [Member]
Market comparable adjusted for probability to fund [Member]
Probability to fund for rate lock commitments [Member]
Mar. 31, 2014
Maximum [Member]
Foreign exchange contracts [Member]
Option pricing model [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Maximum [Member]
Foreign exchange contracts [Member]
Option pricing model [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Maximum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Maximum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity Index volatility [Member]
Mar. 31, 2014
Maximum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity and Equity / Index correlation
Dec. 31, 2013
Maximum [Member]
Equity derivative contracts [Member]
Option pricing model [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Maximum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Dec. 31, 2013
Maximum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Mar. 31, 2014
Maximum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Issuer by issuer correlation of defaults [Member]
Dec. 31, 2013
Maximum [Member]
Credit Derivative Contracts [Member]
Option pricing model [Member]
Industry by industry correlation of defaults [Member]
Mar. 31, 2014
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Constant prepayment rates [Member]
Dec. 31, 2013
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Constant prepayment rates [Member]
Mar. 31, 2014
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Option adjusted spread [Member]
Dec. 31, 2013
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Option adjusted spread [Member]
Mar. 31, 2014
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Estimated annualized costs to service [Member]
Dec. 31, 2013
Maximum [Member]
Mortgage servicing rights [Member]
Option adjusted discounted cash flows [Member]
Estimated annualized costs to service [Member]
Mar. 31, 2014
Maximum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Maximum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Maximum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Maximum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Maximum [Member]
Deposits In Domestic Offices [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity Index volatility [Member]
Mar. 31, 2014
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Dec. 31, 2013
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Maximum [Member]
Long-term Debt [Member]
Option adjusted discounted cash flows [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Weighted Average [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Correlation between insurance claim shortfall and collateral value [Member]
Dec. 31, 2013
Weighted Average [Member]
Corporate and other domestic [Member]
Discounted cash flows [Member]
Correlation between insurance claim shortfall and collateral value [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Prepayment rates [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Prepayment rates [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Constant default rates [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Constant default rates [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Loss Severity Rates [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Loss Severity Rates [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Spread volatility on collateral assets [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Spread volatility on collateral assets [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Correlation between insurance claim shortfall and collateral value [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Correlation between insurance claim shortfall and collateral value [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Credit Spread [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Correlations of default among a portfolio of credit names of embedded credit derivatives [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Probability to fund for rate lock commitments [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Probability to fund for rate lock commitments [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Equity / Equity Index volatility [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Equity / Equity Index volatility [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Equity / Equity and Equity / Index correlation
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Equity / Equity and Equity / Index correlation
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Correlation of defaults of a portfolio of reference credit names [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Industry by industry correlation of defaults [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Industry by industry correlation of defaults [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Constant prepayment rates [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Constant prepayment rates [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Option adjusted spread [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Option adjusted spread [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Estimated annualized costs to service [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Estimated annualized costs to service [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Implied volatility of currency pairs [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Implied volatility of currency pairs [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Broker quotes or consensus pricing and, where applicable, discounted cash flows [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Discounted cash flows [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Discounted cash flows [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Broker quotes or consensus pricing [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Market comparable adjusted for probability to fund [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Market comparable adjusted for probability to fund [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Option pricing model [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Option pricing model [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Option adjusted discounted cash flows [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Option adjusted discounted cash flows [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Collateralized debt obligations [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Collateralized debt obligations [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Corporate and other domestic [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Corporate and other domestic [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Foreign debt securities [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Foreign debt securities [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Interest rate contracts [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Interest rate contracts [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Foreign exchange contracts [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Foreign exchange contracts [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Equity derivative contracts [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Equity derivative contracts [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Credit Derivative Contracts [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Mortgage servicing rights [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Mortgage servicing rights [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Deposits In Domestic Offices [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Deposits In Domestic Offices [Member]
Mar. 31, 2014
Recurring [Member]
Level 3 [Member]
Long-term Debt [Member]
Dec. 31, 2013
Recurring [Member]
Level 3 [Member]
Long-term Debt [Member]
Fair Value Measurements, Recurring and Nonrecurring, Valuation Techniques [Line Items]                                                                                                                                                                                                                                                                                                    
Fair Value                                                                                                                                                                                                                                                               $ 258,000,000 $ 254,000,000 $ 2,808,000,000 $ 2,260,000,000 $ 117,000,000 $ 121,000,000 $ 1,000,000 $ 1,000,000 $ 96,000,000 [1] $ 95,000,000 $ 24,000,000 [1] $ 3,000,000 $ 191,000,000 $ 205,000,000 $ 227,000,000 $ (2,244,000,000) [1],[2] $ (2,334,000,000) $ (732,000,000) [1],[2] $ (900,000,000)
Significant Unobservable Inputs                                                                                                                                                                         Prepayment rates Prepayment rates Conditional default rates Conditional default rates Loss severity rates Loss severity rates Spread volatility on collateral assets Spread volatility on collateral assets Correlation between insurance claim shortfall and collateral value Correlation between insurance claim shortfall and collateral value Credit spread Correlations of default among a portfolio of credit names of embedded credit derivatives Probability to fund for rate lock commitments Probability to fund for rate lock commitments Implied volatility of currency pairs Implied volatility of currency pairs Equity / Equity Index volatility [1],[2] Equity / Equity Index volatility Equity / Equity and Equity / Index correlation [1],[2] Equity / Equity and Equity / Index correlation Correlation of defaults of a portfolio of reference credit names Correlation of defaults of a portfolio of reference credit names Issuer by issuer correlation of defaults Industry by industry correlation of defaults Constant prepayment rates Constant prepayment rates Option adjusted spread Option adjusted spread Estimated annualized costs to service Estimated annualized costs to service Implied volatility of currency pairs [1],[2] Implied volatility of currency pairs Broker quotes or consensus pricing and, where applicable, discounted cash flows Broker quotes or consensus pricing and, where applicable, discounted cash flows Discounted cash flows Discounted cash flows Discounted cash flows Market comparable adjusted for probability to fund Market comparable adjusted for probability to fund Option pricing model [1] Option pricing model Option adjusted discounted cash flows [1],[2] Option adjusted discounted cash flows                                      
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 3,690,000,000 3,150,000,000 3,181,000,000 3,690,000,000                                                                                                                                                                                                                                                                                            
Range of Inputs         0.00% 0.00% 6.00% 5.00% 90.00% 90.00% 0.80% 1.00% 1.00% 36.00% 11.00% 10.00% 10.18% [1] 11.00% [1] 13.89% [1] 6.00% [1] 55.00% [1] 50.00% [1] 49.70% 46.00% 83.00% 83.00% 5.39% 5.00% 8.07% 8.00%     13.89% [1],[2] 6.00% [1],[2] 50.00% 10.18% [1],[2] 11.00% [1],[2] 13.89% [1],[2] 6.00% [1],[2] 55.00% [1],[2] 50.00% [1],[2] 10.18% [1],[2] 11.00% [1],[2] 5.00% 5.00% 15.00% 7.00% 100.00% 100.00% 2.90% 3.00% 1.00% 63.00% 98.00% 99.00% 14.88% [1] 16.00% [1] 44.00% [1] 69.00% [1] 55.00% [1] 58.00% [1] 58.90% 54.00% 95.00% 95.00% 21.68% 22.00% 19.07% 19.00%     44.00% [1],[2] 69.00% [1],[2] 58.00% 14.88% [1],[2] 16.00% [1],[2] 44.00% [1],[2] 69.00% [1],[2] 55.00% [1],[2] 58.00% [1],[2] 14.88% [1],[2] 16.00% [1],[2] 80.00% 80.00%                                                                                                                            
Range of inputs per account                                                             $ 91 $ 91                                                                           $ 333 $ 333                                                                                                                                                      
[1] We are the client-facing entity and we enter into identical but opposite derivatives to transfer the resultant risks to our affiliates. With the exception of counterparty credit risks, we are market neutral. The corresponding intra-group derivatives are presented as equity derivatives and foreign currency derivatives in the table.
[2] Structured deposits and structured notes contain embedded derivative features whose fair value measurements contain significant Level 3 inputs.