(Millions, except exercise price and remaining life) | Number of Stock Options, SARs and PSARs | Weighted Average Exercise Price | Weighted Average Remaining Contractual Life | Aggregate Intrinsic Value | |||||||
2011 | |||||||||||
Outstanding, beginning of year | 37.8 | $ | 31.01 | 4.1 | $ | 232.9 | |||||
Granted | .1 | 36.87 | — | — | |||||||
Exercised | (10.0 | ) | 17.35 | — | 228.8 | ||||||
Expired or forfeited | (1.6 | ) | 47.95 | — | — | ||||||
Outstanding, end of year | 26.3 | $ | 35.18 | 4.0 | $ | 246.3 | |||||
Exercisable, end of year | 24.7 | $ | 35.38 | 3.8 | $ | 230.6 | |||||
2012 | |||||||||||
Outstanding, beginning of year | 26.3 | $ | 35.18 | 4.0 | $ | 246.3 | |||||
Granted | .1 | 44.79 | — | — | |||||||
Exercised | (6.7 | ) | 22.73 | — | 148.0 | ||||||
Expired or forfeited | (.3 | ) | 43.02 | — | — | ||||||
Outstanding, end of year | 19.4 | $ | 39.34 | 3.5 | $ | 163.8 | |||||
Exercisable, end of year | 19.4 | $ | 39.34 | 3.5 | $ | 163.8 | |||||
2013 | |||||||||||
Outstanding, beginning of year | 19.4 | $ | 39.34 | 3.5 | $ | 163.8 | |||||
Granted | .7 | (1) | 63.32 | — | — | ||||||
Exercised | (9.3 | ) | 36.58 | — | 203.4 | ||||||
Expired or forfeited | (.3 | ) | 47.11 | — | — | ||||||
Outstanding, end of year | 10.5 | $ | 43.27 | 3.5 | $ | 264.6 | |||||
Exercisable, end of year | 9.8 | $ | 41.77 | 3.0 | $ | 261.6 | |||||
(1) | PSARs are included in this table at the maximum amount that could potentially vest. |