Category,2012,2011,2010
Common stock and paid-in capital,,,
"Balance, beginning of period",63415,62856,62382
Common stock issued,1924,2422,2311
Common stock repurchased,-1714,-3738,-3113
Stock-based compensation expense,2244,2166,1891
Stock-based compensation income tax deficiencies,-75,-292,-647
"Other, net",3,1,32
"Balance, end of period",65797,63415,62856
Retained earnings (deficit),,,
"Balance, beginning of period",-6332,-16681,-22824
Net income,16978,23150,18760
Other comprehensive income:,,,
Net unrealized gains (losses) on derivatives,255,-627,27
Net unrealized gains (losses) on investments,-390,1054,265
Translation adjustments and other,-306,381,-206
Comprehensive income,16537,23958,18846
Common stock cash dividends,-6721,-5394,-4547
Common stock repurchased,-2918,-8215,-8156
"Balance, end of period",566,-6332,-16681
Total stockholders’ equity,66363,57083,46175