Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans - Target Allocation (Details)

v2.4.0.6
Employee Benefit Plans - Target Allocation (Details)
12 Months Ended
Dec. 31, 2011
Qualified Pension Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Equity Securities Minimum 60.00%
Equity Securities Maximum 80.00%
Debt Securities Minimum 20.00%
Debt Securities Maximum 40.00%
Real Estate Minimum 0.00%
Real Estate Maximum 5.00%
Other Minimum 0.00%
Other Maximum 10.00%
Nonqualified and Other Pension Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Equity Securities Minimum 0.00%
Equity Securities Maximum 5.00%
Debt Securities Minimum 95.00%
Debt Securities Maximum 100.00%
Real Estate Minimum 0.00%
Real Estate Maximum 5.00%
Other Minimum 0.00%
Other Maximum 5.00%
Postretirement Health and Life Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Equity Securities Minimum 50.00%
Equity Securities Maximum 75.00%
Debt Securities Minimum 25.00%
Debt Securities Maximum 45.00%
Real Estate Minimum 0.00%
Real Estate Maximum 5.00%
Other Minimum 0.00%
Other Maximum 5.00%
Non-U.S. Pension Plans [Member]
 
Defined Benefit Plan Disclosure [Line Items]  
Equity Securities Minimum 25.00%
Equity Securities Maximum 75.00%
Debt Securities Minimum 10.00%
Debt Securities Maximum 60.00%
Real Estate Minimum 0.00%
Real Estate Maximum 15.00%
Other Minimum 5.00%
Other Maximum 40.00%