XML 58 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
EARNINGS PER SHARE (Potential common shares not included in computation of diluted earnings per share) (Details)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Earnings Per Share [Abstract]        
Stock options (in shares) 3.1 1.5 2.3 1.3