Derivative Financial Instruments (Fair Value Of Derivative Instruments In Statement Of Financial Position) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Derivatives, Fair Value [Line Items]
Derivative Assets	$ 194.4	$ 82.6
Derivative Liabilities	214.1	61.5
Derivatives Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	164.3	34.9
Derivative Liabilities	186.2	31.5
Derivatives Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member] | Current - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	140.0	29.2
Derivative Liabilities	148.6	23.2
Derivatives Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member] | Long-Term - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	24.3	5.7
Derivative Liabilities	37.6	8.3
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	30.1	47.7
Derivative Liabilities	27.9	30.0
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member] | Current - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	28.9	44.2
Derivative Liabilities	26.3	27.2
Derivatives Not Designated As Hedging Instruments [Member] | Foreign Exchange Contract [Member] | Long-Term - Derivative Financial Instruments [Member]
Derivatives, Fair Value [Line Items]
Derivative Assets	1.2	3.5
Derivative Liabilities	$ 1.6	$ 2.8