| 
 (at December 31, 2013, in millions)   | 
Amortized Cost  | 
Fair Value  | 
|||||
|---|---|---|---|---|---|---|---|
| 
 Due in one year or less  | 
$ | 8,386 | $ | 8,525 | |||
| 
 Due after 1 year through 5 years  | 
20,359 | 21,407 | |||||
| 
 Due after 5 years through 10 years  | 
17,225 | 17,579 | |||||
| 
 Due after 10 years  | 
13,963 | 14,021 | |||||
| 
 
  | 
59,933 | 61,532 | |||||
| 
 Mortgage-backed securities, collateralized mortgage obligations and pass-through securities  | 
2,263 | 2,424 | |||||
| 
 Total  | 
$ | 62,196 | $ | 63,956 | |||