XML 68 R56.htm IDEA: XBRL DOCUMENT v3.5.0.2
Loans - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans $ 77,625,000,000 $ 84,942,000,000 $ 77,625,000,000 $ 84,942,000,000 $ 82,917,000,000
Net deferred origination fees 54,000,000   54,000,000   62,000,000
Net unamortized premium on loans 2,000,000   2,000,000   16,000,000
Commercial loans removed from TDR classification 0 $ 0 0 $ 0  
Consumer Loans [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans $ 19,593,000,000   $ 19,593,000,000   20,464,000,000
Weighted average rate of reduction 1.41% 1.62% 1.61% 1.76%  
Affiliated Entity [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans $ 4,463,000,000 $ 5,447,000,000 $ 4,463,000,000 $ 5,447,000,000 $ 4,815,000,000