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Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments And Hedging Activities (Schedule Of Derivatives Not Designated As Hedging Instruments Statements Of Financial Performance Location Table) (Details)

v2.4.0.6
Derivative Instruments And Hedging Activities (Schedule Of Derivatives Not Designated As Hedging Instruments Statements Of Financial Performance Location Table) (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2012
Mar. 31, 2011
Derivative [Line Items] Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 42.5 $ 100.9
Foreign Exchange Contract [Member] | Product Revenues [Member]
 Ìý Ìý
Derivative [Line Items] Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Ìý 0.3
Foreign Exchange Contract [Member] | Other Income (Expense) [Member]
 Ìý Ìý
Derivative [Line Items] Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 0.3 56.0
Customer Supply Agreements [Member] | Product Revenues [Member]
 Ìý Ìý
Derivative [Line Items] Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net 39.2 24.6
Provisional Pricing Arrangements [Member] | Product Revenues [Member]
 Ìý Ìý
Derivative [Line Items] Ìý Ìý
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net $ 3.0 $ 20.0