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Pension Plans And Other Postretirement Benefits (Assumptions To Calculate The Results Of Our Retirement Plans) (Details)	1 Months Ended	12 Months Ended
	Jan. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, net period benefit cost		5.875%	5.875%	6.25%
Expected long-term rate of return on plan assets	9.00%	9.00%	9.00%	9.00%
Rate of projected compensation increase, net periodic benefit cost		3.50%	4.00%	3.75%
Discount rate, benefit obligations		5.00%	5.875%	5.875%
Rate of projected compensation increase, benefit obligations		3.50%	3.50%	4.00%
U.S. Postretirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, net period benefit cost		5.875%	5.875%	6.25%
Expected long-term rate of return on plan assets		6.25%	6.25%	6.25%
Discount rate, benefit obligations		5.00%	5.875%	5.875%
Foreign Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, net period benefit cost		5.16%	5.52%	5.93%
Expected long-term rate of return on plan assets		5.92%	5.92%	5.35%
Rate of projected compensation increase, net periodic benefit cost		4.63%	4.22%	4.24%
Discount rate, benefit obligations		4.65%	5.16%	5.52%
Rate of projected compensation increase, benefit obligations		4.24%	4.63%	4.22%
Foreign Postretirement Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Discount rate, net period benefit cost		5.00%	5.25%	7.00%
Discount rate, benefit obligations		4.25%	5.00%	5.25%

An assumption as to the rate of return on plan assets reflecting the average rate of earnings expected on the funds invested or to be invested to provide for the benefits included in the benefit obligation.

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