Shares (in millions) | Weighted Average Exercise Price | Weighted Average Remaining Contractual Term (in years) | Aggregate Intrinsic Value | |||||||||
Options outstanding, beginning of year | 7.8 | $ | 51.68 | |||||||||
Options granted | 1.6 | 56.78 | ||||||||||
Options exercised | (2.8 | ) | 49.19 | |||||||||
Options forfeited and canceled | (0.3 | ) | 49.69 | |||||||||
Options outstanding, end of year | 6.3 | $ | 54.20 | 6.2 | $ | 10 | ||||||
Exercisable, end of year | 3.8 | $ | 52.39 | 2.6 | $ | 10 | ||||||
Vested and expected to vest, end of year | 6.1 | $ | 54.16 | 6.2 | $ | 10 |