Annual report pursuant to Section 13 and 15(d)

Mortgage Servicing Rights - Rollforward of Mortgage Servicing Rights (Details)

v3.3.1.900
Mortgage Servicing Rights - Rollforward of Mortgage Servicing Rights (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Activity for residential first mortgage MSRs    
Balance, beginning of period $ 3,530 $ 5,042
Additions 637 707
Sales (393) (61)
Amortization of expected cash flows (874) (927)
Impact of changes in interest rates and other market factors 41 (1,191)
Model and other cash flow assumption changes:    
Projected cash flows, including changes in costs to service loans 100 (163)
Impact of changes in the Home Price Index (13) (25)
Impact of changes to the prepayment model (10) 243
Other model changes 69 (95)
Balance, end of period 3,087 3,530
Mortgage loans serviced for investors (in billions) 394,000 490,000
Option adjusted spread due to MSR model recalibration   127
Consumer Portfolio Segment | United States    
Activity for residential first mortgage MSRs    
Balance, beginning of period 3,300  
Model and other cash flow assumption changes:    
Balance, end of period 2,700 3,300
Consumer Portfolio Segment | Non United States    
Activity for residential first mortgage MSRs    
Balance, beginning of period 259  
Model and other cash flow assumption changes:    
Balance, end of period $ 407 $ 259