Debt Investment Maturities
| (In millions) | Cost Basis | 
 Estimated Fair Value  | 
||||||
| 
 | 
 | 
|||||||
| June 30, 2013 | ||||||||
| 
 Due in one year or less  | 
$ | 26,386 | $ | 26,412 | ||||
| 
 Due after one year through five years  | 
42,343 | 42,400 | ||||||
| 
 Due after five years through 10 years  | 
3,293 | 3,303 | ||||||
| 
 Due after 10 years  | 
2,010 | 2,049 | ||||||
| 
 | 
 | 
 | 
 | 
 | 
||||
| 
 Total  | 
$ | 74,032 | $ | 74,164 | ||||
| 
 | 
 | 
 | 
 | 
 | 
 | 
|||