XML 124 R109.htm IDEA: XBRL DOCUMENT v3.3.1.900
Commitments, Contingencies, and Concentrations of Credit Risk (Schedule of Outstanding Loan Commitments) (Details)
$ in Millions
Dec. 31, 2015
USD ($)
Outstanding closed-end loan commitments $ 237
Unfunded commitments on revolving lines of credit, credit cards and home equity loans 287
Commitments, total 524
Fixed Rate [Member]  
Outstanding closed-end loan commitments 81
Unfunded commitments on revolving lines of credit, credit cards and home equity loans 69
Commitments, total 150
Variable Rate [Member]  
Outstanding closed-end loan commitments 156
Unfunded commitments on revolving lines of credit, credit cards and home equity loans 218
Commitments, total $ 374