Financial Instruments (Details) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2009 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2011 Functional Currency British Pound Maturity December 2013 EUR (€)	Dec. 31, 2010 Functional Currency British Pound Maturity December 2013 EUR (€)	Sep. 30, 2011 Functional Currency Euro Maturity December 2012 PLN	Sep. 30, 2011 Functional Currency Euro Maturity December 2012 HUF	Dec. 31, 2010 Functional Currency Euro Maturity December 2012 PLN	Sep. 30, 2011 Functional Currency Euro Maturity December 2011 USD ($)	Sep. 30, 2011 Functional Currency Euro Maturity December 2011 GBP (£)	Dec. 31, 2010 Functional Currency Euro Maturity December 2011 USD ($)	Dec. 31, 2010 Functional Currency Euro Maturity December 2011 GBP (£)	Sep. 30, 2011 Functional Currency Indian Rupee Maturity December 2011 USD ($)	Dec. 31, 2010 Functional Currency Indian Rupee Maturity December 2011 USD ($)	Sep. 30, 2011 Functional Currency Japanese Yen Maturity December 2012 USD ($)	Dec. 31, 2010 Functional Currency Japanese Yen Maturity December 2012 USD ($)	Sep. 30, 2011 Functional Currency Korean Won Maturity December 2012 EUR (€)	Dec. 31, 2010 Functional Currency Korean Won Maturity December 2012 EUR (€)	Sep. 30, 2011 Functional Currency Mexican Peso Maturity December 2012 USD ($)	Dec. 31, 2010 Functional Currency Mexican Peso Maturity December 2012 USD ($)	Sep. 30, 2011 Functional Currency Mexican Peso Maturity December 2011 EUR (€)	Dec. 31, 2010 Functional Currency Mexican Peso Maturity December 2011 EUR (€)	Sep. 30, 2011 Functional Currency Swedish Krona Maturity December 2012 EUR (€)	Dec. 31, 2010 Functional Currency Swedish Krona Maturity December 2012 EUR (€)	Sep. 30, 2011 Functional Currency US Dollar Maturity September 2011 EUR (€)	Dec. 31, 2010 Functional Currency US Dollar Maturity September 2011 EUR (€)	Sep. 30, 2011 Functional Currency US Dollar Maturity December 2011 INR	Dec. 31, 2010 Functional Currency US Dollar Maturity December 2011 INR	Sep. 30, 2011 Natural Gas [Member] Maturity December 2011	Dec. 31, 2010 Natural Gas [Member] Maturity December 2011	Sep. 30, 2011 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] USD ($)	Sep. 30, 2011 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] JPY (¥)	Dec. 31, 2010 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] USD ($)	Dec. 31, 2010 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] JPY (¥)	Sep. 30, 2011 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] USD ($)	Sep. 30, 2011 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] EUR (€)	Dec. 31, 2010 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] USD ($)	Dec. 31, 2010 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] EUR (€)
Derivative [Line Items]
Derivative Contract With Credit Risk Contingent Features		$ 0
Notional Amount of Derivatives, Total [Abstract]
Notional amount of cross currency swaps																														150.0	17,581.5	150.0	17,581.5	75.0	58.5	75.0	58.5
Commodity derivative contracts outstanding [Abstract]
Commodity volume hedged (in Metric tons/MMBTu)																												75,600	258,900
Foreign exchange derivative contracts outstanding [Abstract]
Notional Amount of Foreign Currency Derivatives			75.4	107.3	30.5	6,720.0	0	7.9	1.4	20.2	0	0.5	1.9	8.9	0	35.9	45.7	50.6	0	12.0	13.5	7.5	0	0	1.7	33.8	141.5
Gain (Loss) on Contract Termination	$ 34.5
Number of Fixed to Floating Interest Rate Swap Contracts		0