v2.4.0.6
Mortgage Banking Activities, Noninterest Income (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Servicing fees:    
Contractually specified servicing fees $ 1,125 $ 1,148
Late charges 60 66
Ancillary fees 82 77
Unreimbursed direct servicing costs (270) (280)
Net servicing fees 997 1,011
Changes in fair value of MSRs carried at fair value:    
Net changes in valuation model inputs or assumptions 761 (158)
Other changes in fair value (750) (643)
Total changes in fair value of MSRs carried at fair value 11 (801)
Amortization (62) (58)
Net derivative gains (losses) from economic hedges (632) 100
Total servicing income, net 314 252
Net gains on mortgage loan origination/sales activities 2,480 2,618
Total mortgage banking noninterest income 2,794 2,870
Market-related valuation changes to MSRs, net of hedge results $ 129 $ (58)