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Financial Instruments Owned and Pledged as Collateral at Fair Value, Securities Purchased Under Agreements to Resell and Securities Sold Under Agreements to Repurchase - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2015
Banking and Thrift [Abstract] |
Securities average estimated maturity period (in years) | 11 months
Confidence Level Value At Risk | 98.00%
Value At Risk Threshold | 0.10%

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- Definition Confidence Level Value At Risk + References No definition available. + Details
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- Definition Securities average estimated maturity period. + References No definition available. + Details
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- Definition Value At Risk Threshold + References No definition available. + Details
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