Change In Pension Value and Equity Award Value [Member] Adjustments For Equity Awards Failed To Meet Performance Conditions [Member] Change In Fair Value As Of Vesting Date Of Current Year Awards Vested During Current Year [Member] Year over year change in fair value of equity awards granted in prior years that vested in the year Fair value as of vesting date of equity awards granted and vested in the year Year over year change in fair value of outstanding and unvested equity awards granted in prior years Dividends or other earnings paid during covered year, prior to vesting date of award Total Equity Awards Adjustments [Member] Year-end fair value of outstanding and unvested awards granted in the year Value of “Stock Awards”, as reported in Summary Compensation Table Fair Value of Awards Granted Prior to Covered Year That Were Forfeited During Covered Year Mr. Cifu [Member] Total Net Adjustments For Equity Awards [Member] Total Net Adjustments For Pension [Member] Total Pension Adjustments [Member] Pension Adjustments Prior Service Cost [Member] Pension Adjustments Service Cost [Member] Pension Value And Equity Awards Value In Compensation Table For The Applicable Year [Member] Pension Adjustments Pension Value In Summary Compensation Table [Member]