XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.0.8
Earnings Per Common Share - Options to Purchase Shares of Common Stock (Detail)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earnings Per Share [Abstract]        
Number of antidilutive options and awards 1.5 2.3 1.8 2.8