75000 - Document - Document and Entity Information link:presentationLink link:calculationLink link:definitionLink 999009 - Disclosure - Anchoring link:presentationLink link:calculationLink link:definitionLink Value of Dividends and Earnings Paid [Member] Value Of Dividends And Earnings Paid Member Pension Service Cost Adjustment [Member] Pension Service Cost Adjustment Member Change as of Vesting Date from Prior Year End of Prior Awards that Vested [Member] Change As Of Vesting Date From Prior Year End Of Prior Awards That Vested Member Change in Pension Value [Member] Change In Pension Value Member Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards at Year End () [Member] Year Over Year Change In Fair Value Of Outstanding And Unvested Equity Awards At Year End Member Amendment Flag Stock Awards [Member] Stock Awards Member Year End Fair Value of Equity Awards Granted During Year and Outstanding and Unvested [Member] Year End Fair Value Of Equity Awards Granted During Year And Outstanding And Unvested Member Fair Value as of Vesting Date of Equity Awards Granted and Vested [Member] Fair Value As Of Vesting Date Of Equity Awards Granted And Vested Member Document Type Entity Central Index Key Mr. Thomas F. Farrell [Member] Mr . Thomas F . Farrell Member Forfeited Awards (Fair Value at End of Prior Year) [Member] Forfeited Awards Fair Value At End Of Prior Year Member Cover [Abstract] Equity Award Adjustment [Member] Equity Award Adjustment Member Prior Service Cost Adjustment [Member] Prior Service Cost Adjustment Member Mr. Blue [Member] Mr . Blue Member Entity Registrant Name Pension Valuation Adjustmen [Member] Pension Valuation Adjustmen Member