v2.4.0.6
Employee Benefit And Retirement Plans Pension Assets Target Allocation (Details)
Dec. 31, 2011
U.S. [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 100.00%
U.S. [Member] | Equity Securities, Entity Size [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 45.00%
U.S. [Member] | Fixed Income Investments [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 40.00%
U.S. [Member] | Insurance Contracts [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 5.00%
U.S. [Member] | Cash and Cash Equivalents [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 0.00%
U.S. [Member] | Pension Assets, Other [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 10.00% [1]
International [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 100.00%
International [Member] | Equity Securities, Entity Size [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 23.00%
International [Member] | Fixed Income Investments [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 14.00%
International [Member] | Insurance Contracts [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 24.00%
International [Member] | Cash and Cash Equivalents [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 21.00%
International [Member] | Pension Assets, Other [Member]
  
Defined Benefit Plan Disclosure [Line Items]  
Pension Plan Asset Category as Percent of Total Pension Assets, Target Allocation Percentage 18.00% [1]
[1] Other investments include private equity funds, hedge funds and real estate funds.