Discontinued Operations (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended							3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 South American operations [Member]	Dec. 31, 2011 South American operations [Member]	Dec. 31, 2010 South American operations [Member]	Dec. 31, 2012 European operations [Member]	Dec. 31, 2010 European operations [Member]	Dec. 31, 2012 Brazil Federal and Social Contribution tax [Member]	Dec. 31, 2012 Brazil state operating tax [Member]	Dec. 31, 2012 Brazil tax due on sale of business [Member]
Restructuring Cost and Reserve [Line Items]
Tax Amounts Assessed But Not Reserved								$ 5	$ 6	$ 16
Discontinued Operation Loss From Discontinued Operation Before Income Tax, adverse legal and professional fees			3	2	4
Loss from discontinued operations before income taxes						1	(3)
Discontinued Operation Loss From Discontinued Operation Before Income Tax, insurance related		1
Discontinued Operation, Tax Effect of Discontinued Operation	$ 11