Annual report pursuant to Section 13 and 15(d)

Mortgage Servicing Rights - Fair Value of MSRs (Details)

v2.4.0.8
Mortgage Servicing Rights - Fair Value of MSRs (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Assumption for Fair Value of MSRs    
MSR sales $ 2,044 $ 122
Fixed [Member]
   
Assumption for Fair Value of MSRs    
Weighted-Average OAS 3.97% 4.00%
Weighted-Average Life, in Years 5 years 8 months 12 days 3 years 7 months 25 days
Adjustable [Member]
   
Assumption for Fair Value of MSRs    
Weighted-Average OAS 7.61% 6.63%
Weighted-Average Life, in Years 2 years 10 months 9 days 2 years 1 month 6 days