Quarterly report pursuant to Section 13 or 15(d)

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

v3.3.0.814
Mortgage Servicing Rights - Rollforward of Mortgage Servicing Rights (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Activity for residential first mortgage MSRs        
Balance, beginning of period $ 3,521 $ 4,368 $ 3,530 $ 5,042
Additions 185 203 568 581
Sales (87) (1) (399) (47)
Amortization of expected cash flows (213) (232) (666) (699)
Impact of changes in interest rates and other market factors (365) (10) (73) (637)
Model and other cash flow assumption changes:        
Projected cash flows, including changes in costs to service loans 11 (82) 97 (36)
Impact of changes in the Home Price Index 6 5 (4) (2)
Impact of changes to the prepayment model (19) (18) (10) 142
Other model changes 4 10 0 (101)
Balance, end of period 3,043 4,243 3,043 4,243
Mortgage loans serviced for investors (in billions) 408,000 507,000 408,000 507,000
Consumer Portfolio Segment | United States        
Model and other cash flow assumption changes:        
Balance, end of period 2,700 4,000 2,700 4,000
Consumer Portfolio Segment | Non United States        
Model and other cash flow assumption changes:        
Balance, end of period $ 344 $ 256 $ 344 $ 256