Derivative Financial Instruments (Fair Value Of Derivative Instruments In Statement Of Financial Position) (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 332.5	$ 234.4
Derivative Liabilities	450.4	218.4
Derivatives Designated As Hedging Instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	301.5	214.7
Derivative Liabilities	421.7	196.6
Derivatives Designated As Hedging Instruments | Foreign Exchange Contracts | Current – Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	172.1	149.3
Derivative Liabilities	207.1	152.5
Derivatives Designated As Hedging Instruments | Foreign Exchange Contracts | Long-term – Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	129.4	65.4
Derivative Liabilities	214.6	44.1
Derivatives Not Designated As Hedging Instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	31.0	19.7
Derivative Liabilities	28.7	21.8
Derivatives Not Designated As Hedging Instruments | Foreign Exchange Contracts | Current – Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	25.5	16.6
Derivative Liabilities	23.1	18.8
Derivatives Not Designated As Hedging Instruments | Foreign Exchange Contracts | Long-term – Derivative financial instruments
Derivatives, Fair Value [Line Items]
Derivative Assets	5.5	3.1
Derivative Liabilities	$ 5.6	$ 3.0