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Quarterly report pursuant to Section 13 or 15(d)

Derivative Instruments And Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Detail)

v2.4.0.6
Derivative Instruments And Hedging Activities (Schedule Of Derivative Instruments In Statement Of Financial Position, Fair Value) (Detail) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value $ 94.0 $ 165.9
Derivative liability, fair value 25.3 23.0
Accounts Receivable [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 19.2 83.8
Designated as Hedging Instrument [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 10.1 5.2
Designated as Hedging Instrument [Member] | Treasury Lock Agreements [Member] | Other Current Liabilities [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative liability, fair value 9.5 3.5
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Other Current Liabilities [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative liability, fair value 9.5 3.5
Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Derivative Assets (Current) [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 10.1 5.2
Not Designated as Hedging Instrument [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 83.9 160.7
Derivative liability, fair value 15.8 19.5
Not Designated as Hedging Instrument [Member] | Accounts Receivable [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 19.2 83.8
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contract [Member] | Derivative Assets (Current) [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value Ìý 2.8
Not Designated as Hedging Instrument [Member] | Customer Contracts [Member] | Derivative Assets (Current) [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value 61.4 72.9
Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Other Current Liabilities [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative liability, fair value 15.8 19.5
Not Designated as Hedging Instrument [Member] | Provisional Pricing Arrangements [Member] | Derivative Assets (Current) [Member]
Ìý Ìý
Derivatives, Fair Value [Line Items] Ìý Ìý
Derivative asset, fair value $ 3.3 $ 1.2