Year Ended May 31, | ||||||||||||
(In millions) | 2013 | 2012 | 2011 | |||||||||
Stock options(1) | $ | 123 | $ | 96 | $ | 77 | ||||||
ESPPs | 19 | 16 | 14 | |||||||||
Restricted stock | 32 | 18 | 14 | |||||||||
TOTAL STOCK-BASED COMPENSATION EXPENSE | $ | 174 | $ | 130 | $ | 105 | ||||||
(1) | Expense for stock options includes the expense associated with stock appreciation rights. Accelerated stock option expense is recorded for employees eligible for accelerated stock option vesting upon retirement. Accelerated stock option expense for years ended May 31, 2013, 2012, and 2011 was $22 million, $17 million, and $12 million, respectively. |