The following table pertains to stock options granted in 2012 and 2011, in addition to stock options that vested and were exercised in 2013, 2012, and 2011 (in millions, except for weighted-average grant-date fair value of stock options granted):
| 2013 | 2012 | 2011 | ||||||||||
|
Weighted average grant-date fair value of stock options granted |
$ | — | $ | 10.57 | $ | 13.06 | ||||||
|
Grant-date fair value of all stock options that vested |
40 | 47 | 60 | |||||||||
|
Intrinsic value of all stock options exercised |
293 | 162 | 60 | |||||||||