Aggregate Change In Actuarial Present Value Of Pension Benefits [Member] Service Cost of Pension Benefits [Member] Prior Service Cost of Pension Benefits [Member] Stock award values reported in the SCT for the covered year [Member] Option award values reported in the SCT for the covered year [Member] Year end fair value for equity awards granted in the covered year that were outstanding and unvested at year end [Member] Yearoveryear change in fair value of equity awards granted in prior years that are outstanding and unvested as of the covered years [Member] Vesting date fair value of equity awards granted and vested in the covered year [Member] Yearoveryear change in fair value of equity awards granted in prior years that vested in the covered year [Member] Fair value as of prioryear end of equity awards granted in prior years that failed to vest in the covered year [Member] Dollar value of dividendsearnings paid on equity awards that vested in the covered year [Member] Excess Fair Value for Equity Award Modifications [Member]