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] Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] Change In Fair Value As Of Vesting Date Of Awards Vested During Current Year [Member] Change in Fair Value of Equity Awards Granted in Prior Years that Remain Outstanding and Unvested as of Year End [Member] Dividends Or Other Earnings Paid On Equity Awards Not Otherwise Reflected In Fair Value [Member] Total Equity Awards Adjustments [Member] Year End Fair Value of Outstanding and Unvested Equity Awards Granted in the Year [Member] Equity Awards Value In Summary Compensation Table (Grant Date Value) [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] Reported Value of Equity Awards [Member]