Financial Instruments and Hedging Activities, Concentrations of Credit Risk and Fair Value of Financial Instruments (Details) (Significant other observable inputs (Level 2) [Member], USD $) In Millions	Sep. 30, 2011	Dec. 31, 2010
Currency Forward Exchange Contracts [Member]
Assets and liabilities measured at fair value
Derivative Assets, Current	$ 17.4	$ 23.9
Derivative Assets, Noncurrent	59.5	63.3
Derivative Liabilities, Current	(23.2)	(24.7)
Derivative Liabilities, Noncurrent	(24.4)	(26.4)
Short-term commodity swaps [Member]
Assets and liabilities measured at fair value
Derivative Assets, Current	0	2.9
Derivative Liabilities, Current	(3.3)	0
Long-term cross-currency swaps [Member]
Assets and liabilities measured at fair value
Derivative Assets, Noncurrent	0	0
Derivative Liabilities, Noncurrent	$ (35.2)	$ (30.2)