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Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments And Hedging Activities (Derivatives Not Designated As Hedging Instruments Disclosure) (Details)

v2.3.0.15
Derivative Instruments And Hedging Activities (Derivatives Not Designated As Hedging Instruments Disclosure) (Details) (USD $)
In Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Amount of Gain/(Loss) Recognized in Income on Derivative $ 240.60 $ 290.10 $ 849.90 $ 1,087.70
Customer Supply Agreements [Member] | Product Revenues [Member]
 Ìý Ìý Ìý Ìý
Amount of Gain/(Loss) Recognized in Income on Derivative 53.80 25.10 124.90 93.40
Product Revenues [Member] | Foreign Exchange Contracts [Member]
 Ìý Ìý Ìý Ìý
Amount of Gain/(Loss) Recognized in Income on Derivative Ìý 3.30 1.00 8.80
Foreign Exchange Contracts [Member] | Other Income (Expense) [Member]
 Ìý Ìý Ìý Ìý
Amount of Gain/(Loss) Recognized in Income on Derivative (6.20) 32.50 100.50 24.80
Product Revenues [Member] | Provisional Pricing Arrangements [Member]
 Ìý Ìý Ìý Ìý
Amount of Gain/(Loss) Recognized in Income on Derivative $ 193.00 $ 229.20 $ 623.50 $ 960.70