Postretirement Benefits Other Than Pensions (Details 3)	12 Months Ended		5 Months Ended	7 Months Ended	12 Months Ended		5 Months Ended	7 Months Ended
	Dec. 31, 2012 U.S. Other Postretirement Benefits [Member] Successor [Member]	Dec. 31, 2011 U.S. Other Postretirement Benefits [Member] Successor [Member]	May 31, 2010 U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2010 U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2012 Non-U.S. Other Postretirement Benefits [Member] Successor [Member]	Dec. 31, 2011 Non-U.S. Other Postretirement Benefits [Member] Successor [Member]	May 31, 2010 Non-U.S. Other Postretirement Benefits [Member] Predecessor [Member]	Dec. 31, 2010 Non-U.S. Other Postretirement Benefits [Member] Predecessor [Member]
Schedule of weighted average assumptions used to determine net periodic benefit costs
Discount rate	4.70%	5.35%	5.80%	5.55%	4.25%	5.25%	6.80%	5.65%