Shares (in millions) | Weighted- Average Exercise Price Per Share | Weighted- Average Remaining Contractual Life | Aggregate Intrinsic Value (in millions)(1) | |||||||||
Outstanding at beginning of year | 44.2 | $ | 40.71 | |||||||||
Granted | 3.3 | 58.34 | ||||||||||
Exercised | (14.6 | ) | 37.56 | |||||||||
Forfeited/cancelled | (1.0 | ) | 54.11 | |||||||||
Outstanding at end of period | 31.9 | 43.56 | 5.3 | $ | 852.3 | |||||||
Awards exercisable at period end | 23.7 | $ | 40.26 | 5.0 | $ | 709.8 | ||||||
(1) | Amount by which the market value of the underlying stock exceeds the exercise price of the option. |