DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments And Hedging Activities (Schedule Of Derivatives Not Designated As Hedging Instruments) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ 40.6	$ 240.6	$ 122.9	$ 849.9
Foreign Exchange Contract [Member] | Product Revenue [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net				1.0
Foreign Exchange Contract [Member] | Other Income [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net		(6.2)	0.3	100.5
Foreign Exchange Contract [Member] | Income (Loss) From Discontinued Operations [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	1.1		1.1
Customer Supply Agreements [Member] | Product Revenue [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	49.8	53.8	131.8	124.9
Provisional Pricing Arrangements [Member] | Product Revenue [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net	$ (10.3)	$ 193.0	$ (10.3)	$ 623.5