Financial Instruments (Details) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2009 USD ($)	Jun. 30, 2011 USD ($)	Jun. 30, 2011 Functional Currency One Member Maturity Of Derivatives Period Three [Member] EUR (€)	Dec. 31, 2010 Functional Currency One Member Maturity Of Derivatives Period Three [Member] EUR (€)	Jun. 30, 2011 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] PLN	Jun. 30, 2011 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Jun. 30, 2011 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] GBP (£)	Jun. 30, 2011 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] HUF	Dec. 31, 2010 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] PLN	Dec. 31, 2010 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Dec. 31, 2010 Functional Currency Two [Member] Maturity Of Derivatives Period Four [Member] GBP (£)	Jun. 30, 2011 Functional Currency Three [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Dec. 31, 2010 Functional Currency Three [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Jun. 30, 2011 Functional Currency Seven [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Dec. 31, 2010 Functional Currency Seven [Member] Maturity Of Derivatives Period Four [Member] USD ($)	Jun. 30, 2011 Functional Currency Four [Member] Maturity Of Derivatives Period Two [Member] EUR (€)	Dec. 31, 2010 Functional Currency Four [Member] Maturity Of Derivatives Period Two [Member] EUR (€)	Jun. 30, 2011 Functional Currency Five [Member] Maturity Of Derivatives Period One [Member] USD ($)	Jun. 30, 2011 Functional Currency Five [Member] Maturity Of Derivatives Period One [Member] EUR (€)	Dec. 31, 2010 Functional Currency Five [Member] Maturity Of Derivatives Period One [Member] USD ($)	Dec. 31, 2010 Functional Currency Five [Member] Maturity Of Derivatives Period One [Member] EUR (€)	Jun. 30, 2011 Functional Currency Six [Member] Maturity Of Derivatives Period One [Member] EUR (€)	Dec. 31, 2010 Functional Currency Six [Member] Maturity Of Derivatives Period One [Member] EUR (€)	Jun. 30, 2011 Functional Currency Six [Member] Maturity Of Derivatives Period Four [Member] INR	Dec. 31, 2010 Functional Currency Six [Member] Maturity Of Derivatives Period Four [Member] INR	Jun. 30, 2011 Natural Gas [Member] Maturity Of Derivatives Period Four [Member]	Dec. 31, 2010 Natural Gas [Member] Maturity Of Derivatives Period Four [Member]	Jun. 30, 2011 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] USD ($)	Jun. 30, 2011 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] JPY (¥)	Dec. 31, 2010 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] USD ($)	Dec. 31, 2010 Maturity Of Derivatives Period Five [Member] Currency Swap [Member] JPY (¥)	Jun. 30, 2011 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] USD ($)	Jun. 30, 2011 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] EUR (€)	Dec. 31, 2010 Maturity Of Derivatives Period Six [Member] Currency Swap [Member] USD ($)	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)																										116,700	258,900
Foreign exchange derivative contracts outstanding [Abstract]
Notional Amount of Foreign Currency Derivatives			86.1	107.3	12.0	15.9	2.9	2,640.0	0	20.2	0	0.9	1.9	1.5	0	37.4	45.7	12.6	14.6	0	13.5	0.7	1.7	67.7	141.5
Gain (Loss) on Contract Termination	$ 34.5
Number of Fixed to Floating Interest Rate Swap Contracts		0