PPG INDUSTRIES INC | 2013 | FY | 3

The following table presents stock option activity for the years ended December 31, 2013, 2012 and 2011:
(Millions)
2013
 
2012
 
2011
Total intrinsic value of stock options exercised
$
110

 
$
110

 
$
40

Cash received from stock option exercises
68

 
122

 
81

Income tax benefit from the exercise of stock options
36

 
35

 
9

Total fair value of stock options vested
11

 
6

 
10

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