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Share-Based Compensation (Details)
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
$ / shares
shares
Jun. 30, 2016
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Share-based Compensation Arrangement to be paid in Cash, Liability Award, Grants in period, Weighted Average Grant Date Fair Value | $ / shares $ 9.65 $ 9.65
Cash-based restricted share unit awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Awards granted | shares 3.4  
Restricted share awards and share unit awards [Member]    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Vesting rate   20.00%
Vesting rate for certain officers and non-employee directors   33.00%