Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
Mortgage Servicing Rights - Rollforward of Mortgage Servicing Rights (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Activity for residential first mortgage MSRs        
Balance, beginning of period $ 3,394 $ 4,765 $ 3,530 $ 5,042
Additions 204 113 383 378
Sales (312) (26) (312) (46)
Amortization of expected cash flows (223) (235) (453) (467)
Impact of changes in interest rates and other market factors 468 (310) 292 (627)
Model and other cash flow assumption changes:        
Projected cash flows, including changes in costs to service loans (1) 82 86 46
Impact of changes in the Home Price Index 2 4 (10) (7)
Impact of changes to the prepayment model 0 0 9 160
Other model changes (11) (25) (4) (111)
Balance, end of period 3,521 4,368 3,521 4,368
Mortgage loans serviced for investors (in billions) 425,000 521,000 425,000 521,000
Consumer Portfolio Segment | United States        
Model and other cash flow assumption changes:        
Balance, end of period 3,200 4,100 3,200 4,100
Consumer Portfolio Segment | Non United States        
Model and other cash flow assumption changes:        
Balance, end of period $ 320 $ 234 $ 320 $ 234