Annual report pursuant to Section 13 and 15(d)

Securities - Amortized Cost, Gains and Losses, and Fair Value Available-for-sale (Details)

v3.3.1.900
Securities - Amortized Cost, Gains and Losses, and Fair Value Available-for-sale (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Available-for-sale Debt Securities:        
Amortized Cost $ 306,261 $ 282,108    
Gross Unrealized Gains 1,536 3,001    
Gross Unrealized Losses (2,024) (835)    
Debt securities carried at fair value 305,773 284,274    
Other Debt Securities, Carried at Fair Value:        
Amortized Cost 16,678 36,524    
Gross Unrealized Gains 103 261    
Gross Unrealized Losses (174) (364)    
Fair Value 16,607 36,421    
Debt securities carried at fair value:        
Amortized Cost 322,939 318,632    
Gross Unrealized Gains 1,639 3,262    
Gross Unrealized Losses (2,198) (1,199)    
Debt securities carried at fair value 322,380 320,695    
Shareholders’ equity 256,205 243,471 $ 232,685 $ 236,956
Held-to-maturity Securities:        
Amortized Cost 84,625 59,766    
Gross Unrealized Gains 271 486    
Gross Unrealized Losses (850) (611)    
Held-to-maturity, fair value 84,046 59,641    
Debt securities:        
Amortized Cost 407,564 378,398    
Gross Unrealized Gains 1,910 3,748    
Gross Unrealized Losses (3,048) (1,810)    
Fair Value 406,426 380,336    
Accumulated other comprehensive income (loss) (5,674) (4,320)    
Nonperforming Financing Receivable        
Available-for-sale Debt Securities:        
Debt securities carried at fair value 188 161    
FNMA        
Debt securities carried at fair value:        
Amortized Cost 146,200 130,700    
Debt securities carried at fair value 145,500 131,400    
FHLMC        
Debt securities carried at fair value:        
Amortized Cost 53,400 28,300    
Debt securities carried at fair value 53,200 28,600    
Other assets        
Available-for-sale Equity Securities:        
Amortized Cost 326 336    
Gross Unrealized Gains 99 27    
Gross Unrealized Losses 0 0    
Fair Value 425 363    
Agency-collateralized mortgage obligations        
Available-for-sale Debt Securities:        
Amortized Cost 10,930 14,175    
Gross Unrealized Gains 126 152    
Gross Unrealized Losses (71) (79)    
Debt securities carried at fair value 10,985 14,248    
Other Debt Securities, Carried at Fair Value:        
Fair Value 7 0    
Debt securities carried at fair value:        
Debt securities carried at fair value 10,992      
Commercial        
Available-for-sale Debt Securities:        
Amortized Cost 7,176 3,931    
Gross Unrealized Gains 50 69    
Gross Unrealized Losses (61) 0    
Debt securities carried at fair value 7,165 4,000    
Debt securities carried at fair value:        
Debt securities carried at fair value 7,165      
Non-agency residential        
Available-for-sale Debt Securities:        
Amortized Cost 3,031 4,244    
Gross Unrealized Gains 218 287    
Gross Unrealized Losses (70) (77)    
Debt securities carried at fair value 3,179 4,454    
Other Debt Securities, Carried at Fair Value:        
Fair Value 3,490 $ 3,745    
Debt securities carried at fair value:        
Debt securities carried at fair value $ 6,669      
Non-agency residential | Prime        
Debt securities:        
Available-for-sale securities, percent held by rating 71.00% 76.00%    
Non-agency residential | Alt-A        
Debt securities:        
Available-for-sale securities, percent held by rating 15.00% 14.00%    
Non-agency residential | Subprime        
Debt securities:        
Available-for-sale securities, percent held by rating 14.00% 10.00%    
Mortgage-backed securities        
Available-for-sale Debt Securities:        
Amortized Cost $ 250,984 $ 185,942    
Gross Unrealized Gains 1,182 2,548    
Gross Unrealized Losses (1,890) (749)    
Debt securities carried at fair value 250,276 187,741    
Other Debt Securities, Carried at Fair Value:        
Fair Value 3,497 19,449    
Debt securities carried at fair value:        
Debt securities carried at fair value 253,773      
U.S. Treasury and agency securities        
Available-for-sale Debt Securities:        
Amortized Cost 25,075 69,267    
Gross Unrealized Gains 211 360    
Gross Unrealized Losses (9) (32)    
Debt securities carried at fair value 25,277 69,595    
Other Debt Securities, Carried at Fair Value:        
Fair Value 0 1,541    
Debt securities carried at fair value:        
Debt securities carried at fair value 25,277      
Non-U.S. securities        
Available-for-sale Debt Securities:        
Amortized Cost 5,743 6,208    
Gross Unrealized Gains 27 33    
Gross Unrealized Losses (3) (11)    
Debt securities carried at fair value 5,767 6,230    
Other Debt Securities, Carried at Fair Value:        
Fair Value 12,843 15,132    
Debt securities carried at fair value:        
Debt securities carried at fair value 18,610      
Corporate/Agency bonds        
Available-for-sale Debt Securities:        
Amortized Cost 243 361    
Gross Unrealized Gains 3 9    
Gross Unrealized Losses (3) (2)    
Debt securities carried at fair value 243 368    
Debt securities carried at fair value:        
Debt securities carried at fair value 243      
Other taxable securities, substantially all asset-backed securities        
Available-for-sale Debt Securities:        
Amortized Cost 10,238 10,774    
Gross Unrealized Gains 50 39    
Gross Unrealized Losses (86) (22)    
Debt securities carried at fair value 10,202 10,791    
Other Debt Securities, Carried at Fair Value:        
Fair Value 267 299    
Debt securities carried at fair value:        
Debt securities carried at fair value 10,469      
Total taxable securities        
Available-for-sale Debt Securities:        
Amortized Cost 292,283 272,552    
Gross Unrealized Gains 1,473 2,989    
Gross Unrealized Losses (1,991) (816)    
Debt securities carried at fair value 291,765 274,725    
Debt securities carried at fair value:        
Debt securities carried at fair value 308,372      
Tax-exempt securities        
Available-for-sale Debt Securities:        
Amortized Cost 13,978 9,556    
Gross Unrealized Gains 63 12    
Gross Unrealized Losses (33) (19)    
Debt securities carried at fair value 14,008 9,549    
Debt securities carried at fair value:        
Debt securities carried at fair value 14,008      
Agency        
Available-for-sale Debt Securities:        
Amortized Cost 229,847 163,592    
Gross Unrealized Gains 788 2,040    
Gross Unrealized Losses (1,688) (593)    
Debt securities carried at fair value 228,947 165,039    
Other Debt Securities, Carried at Fair Value:        
Fair Value 0 15,704    
Debt securities carried at fair value:        
Debt securities carried at fair value 228,947      
Debt securities        
Debt securities carried at fair value:        
Debt securities carried at fair value 322,380      
Debt securities:        
Accumulated other comprehensive income tax benefit (188)      
Debt securities | Available-for-sale debt securities        
Debt securities carried at fair value:        
Shareholders’ equity $ (300) $ 1,343 $ (3,257) $ 4,443