Quarterly report pursuant to Section 13 or 15(d)

Securities - Gross Unrealized Losses (Details)

v3.3.0.814
Securities - Gross Unrealized Losses (Details) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Debt securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value $ 59,391 $ 16,346
Less than Twelve Months, Gross Unrealized Losses (360) (99)
Twelve Months or Longer, Fair Value 20,976 49,554
Twelve Months or Longer, Gross Unrealized Losses (392) (736)
Total, Fair Value 80,367 65,900
Total, Gross Unrealized Losses (752) (835)
Temporarily impaired AFS debt securities | Debt securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 59,210 15,791
Less than Twelve Months, Gross Unrealized Losses (358) (66)
Twelve Months or Longer, Fair Value 20,923 49,554
Twelve Months or Longer, Gross Unrealized Losses (384) (736)
Total, Fair Value 80,133 65,345
Total, Gross Unrealized Losses (742) (802)
Temporarily impaired AFS debt securities | Agency    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 50,512 1,366
Less than Twelve Months, Gross Unrealized Losses (292) (8)
Twelve Months or Longer, Fair Value 15,433 43,118
Twelve Months or Longer, Gross Unrealized Losses (300) (585)
Total, Fair Value 65,945 44,484
Total, Gross Unrealized Losses (592) (593)
Temporarily impaired AFS debt securities | Agency-collateralized mortgage obligations    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 392 2,242
Less than Twelve Months, Gross Unrealized Losses (5) (19)
Twelve Months or Longer, Fair Value 1,382 3,075
Twelve Months or Longer, Gross Unrealized Losses (19) (60)
Total, Fair Value 1,774 5,317
Total, Gross Unrealized Losses (24) (79)
Temporarily impaired AFS debt securities | Non-agency residential    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 475 307
Less than Twelve Months, Gross Unrealized Losses (9) (3)
Twelve Months or Longer, Fair Value 846 809
Twelve Months or Longer, Gross Unrealized Losses (37) (41)
Total, Fair Value 1,321 1,116
Total, Gross Unrealized Losses (46) (44)
Temporarily impaired AFS debt securities | Commercial    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 1,071  
Less than Twelve Months, Gross Unrealized Losses (7)  
Twelve Months or Longer, Fair Value 0  
Twelve Months or Longer, Gross Unrealized Losses 0  
Total, Fair Value 1,071  
Total, Gross Unrealized Losses (7)  
Temporarily impaired AFS debt securities | Total mortgage-backed securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 52,450 3,915
Less than Twelve Months, Gross Unrealized Losses (313) (30)
Twelve Months or Longer, Fair Value 17,661 47,002
Twelve Months or Longer, Gross Unrealized Losses (356) (686)
Total, Fair Value 70,111 50,917
Total, Gross Unrealized Losses (669) (716)
Temporarily impaired AFS debt securities | U.S. Treasury and agency securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 215 10,121
Less than Twelve Months, Gross Unrealized Losses (1) (22)
Twelve Months or Longer, Fair Value 218 667
Twelve Months or Longer, Gross Unrealized Losses (1) (10)
Total, Fair Value 433 10,788
Total, Gross Unrealized Losses (2) (32)
Temporarily impaired AFS debt securities | Non-U.S. securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 0 157
Less than Twelve Months, Gross Unrealized Losses 0 (9)
Twelve Months or Longer, Fair Value 173 32
Twelve Months or Longer, Gross Unrealized Losses (7) (2)
Total, Fair Value 173 189
Total, Gross Unrealized Losses (7) (11)
Temporarily impaired AFS debt securities | Corporate/Agency bonds    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 65 43
Less than Twelve Months, Gross Unrealized Losses (1) (1)
Twelve Months or Longer, Fair Value 0 93
Twelve Months or Longer, Gross Unrealized Losses 0 (1)
Total, Fair Value 65 136
Total, Gross Unrealized Losses (1) (2)
Temporarily impaired AFS debt securities | Other taxable securities, substantially all asset-backed securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 4,321 575
Less than Twelve Months, Gross Unrealized Losses (24) (3)
Twelve Months or Longer, Fair Value 832 1,080
Twelve Months or Longer, Gross Unrealized Losses (13) (19)
Total, Fair Value 5,153 1,655
Total, Gross Unrealized Losses (37) (22)
Temporarily impaired AFS debt securities | Total taxable securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 57,051 14,811
Less than Twelve Months, Gross Unrealized Losses (339) (65)
Twelve Months or Longer, Fair Value 18,884 48,874
Twelve Months or Longer, Gross Unrealized Losses (377) (718)
Total, Fair Value 75,935 63,685
Total, Gross Unrealized Losses (716) (783)
Temporarily impaired AFS debt securities | Tax-exempt securities    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 2,159 980
Less than Twelve Months, Gross Unrealized Losses (19) (1)
Twelve Months or Longer, Fair Value 2,039 680
Twelve Months or Longer, Gross Unrealized Losses (7) (18)
Total, Fair Value 4,198 1,660
Total, Gross Unrealized Losses (26) (19)
Other-than-temporarily impaired AFS debt securities | Non-agency residential    
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]    
Less than Twelve Months, Fair Value 181 555
Less than Twelve Months, Gross Unrealized Losses (2) (33)
Twelve Months or Longer, Fair Value 53 0
Twelve Months or Longer, Gross Unrealized Losses (8) 0
Total, Fair Value 234 555
Total, Gross Unrealized Losses $ (10) $ (33)