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Computation of Earnings Per Ordinary Share and Ordinary Share Equivalent - Narrative (Details) (Stock Compensation Plan Member)
In Millions, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Stock Compensation Plan Member
     
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 6.0 8.7 16.9