The following table provides the components of share-based compensation expense and the associated tax benefit (including those reported as part of discontinued operations): | ||||||||||||
Year Ended December 31, | ||||||||||||
(MILLIONS OF DOLLARS) | 2013 | 2012 | 2011 | |||||||||
Restricted Stock Units | $ | 249 | $ | 235 | $ | 228 | ||||||
Stock Options | 140 | 157 | 166 | |||||||||
Portfolio Performance Shares | 56 | 14 | — | |||||||||
Total Shareholder Return Units | 37 | 35 | 17 | |||||||||
Performance Share Awards | 34 | 35 | 3 | |||||||||
Directors’ compensation | 7 | 5 | 5 | |||||||||
Share-based payment expense | 523 | 481 | 419 | |||||||||
Tax benefit for share-based compensation expense | (173 | ) | (149 | ) | (139 | ) | ||||||
Share-based payment expense, net of tax | $ | 350 | $ | 332 | $ | 280 | ||||||