v2.4.0.6
Share-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2012
Share-Based Compensation  
Recognized Share-Based Compensation Expense
Recognized Share-Based Compensation Expense
 Three Months EndedSix Months Ended
 June 30June 30
(in millions) 2012 2011 2012 2011
Stock options$ 38$ 34$ 67$56
Restricted share units  41  38  76 78
Employee stock purchase plans  3  3  8 6
Total$ 82$ 75$ 151$ 140