Employee Benefit Plans (Weighted-Average Assumptions used to Determine Net Benefit Cost) (Details)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Rate of return on assets	7.54%
Pension Benefits U.S. Plans [Member]
Discount rate	4.80%	5.35%	6.05%
Rate Of Compensation Increase, Low End Of Range	4.00%	4.00%	4.00%
Rate Of Compensation Increase, High End Of Range	6.00%	6.00%	6.00%
Rate of return on assets	8.00%	8.00%	8.00%
Pension Benefits Non-U.S. Plans [Member]
Discount rate	5.60%	6.04%	6.42%
Rate of compensation increase	4.00%	4.04%	3.69%
Rate of return on assets	7.16%	7.31%	7.38%
Postretirement Benefits [Member]
Discount rate	5.28%	5.83%	6.23%