XML 37 R50.htm IDEA: XBRL DOCUMENT v3.3.0.814
Loans - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2015
Dec. 31, 2014
Sep. 30, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment $ 213,329 $ 208,316 $ 201,592
Loans held for sale 566 626  
Mortgage loans in process of foreclosure 577    
Performing      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Troubled debt restructurings included in impaired loans 1,642 1,652  
Home loan | Other Assets      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Real estate acquired through foreclosure 118 131  
Other      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment 92 111  
Consumer Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment 70,990 71,439  
Consumer Portfolio Segment [Member] | Performing      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Troubled debt restructurings included in impaired loans 1,000 1,000  
Consumer Portfolio Segment [Member] | Home loan      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment 26,340 30,035  
Commercial Banking      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment 52,112 50,890  
Commercial Banking | Criticized      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Minimum loan amount reviewed quarterly by management for further deterioration 1    
Commercial Banking | Noncriticized      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Minimum loan amount requiring annual review 1    
Commercial Banking | Performing      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Troubled debt restructurings included in impaired loans 187 194  
Credit Card Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Loans held for investment 90,135 85,876  
Other Portfolio Segments, Excluding Credit Card      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unused Commitments to Extend Credit 26,400 24,500  
Advised Line of Credit $ 1,100 924  
Home Loans      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Threshold Period Past Due for Entering Foreclosure Process Status of Financing Receivables 120 days    
Unused lines of Credit [Member] | Credit Card Portfolio Segment [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unused Commitments to Extend Credit $ 305,900 $ 292,900