Intangible Assets (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Finite-lived intangible assets, gross	$ 2,343.3		$ 2,335.2
Accumulated amortization	(645.0)		(609.1)
Net finite-lived intangible assets	1,698.3		1,726.1
Total intangible assets, excluding goodwill, gross	4,954.3		4,946.2
Intangible assets, net	4,309.3		4,337.1
Amortization of intangible assets	35.1	38.0
Future Amortization Expense, Year One			145
Future Amortization Expense, Year Two			142
Future Amortization Expense, Year Three			138
Future Amortization Expense, Year Four			112
Future Amortization Expense, Year Five			66
Trademarks [Member]
Trademarks (indefinite-lived)	2,611.0		2,611.0
Completed technologies/patents [Member]
Finite-lived intangible assets, gross	208.5		207.1
Accumulated amortization	(118.9)		(112.6)
Net finite-lived intangible assets	89.6		94.5
Customer Relationships [Member]
Finite-lived intangible assets, gross	1,965.8		1,962.0
Accumulated amortization	(439.3)		(412.7)
Net finite-lived intangible assets	1,526.5		1,549.3
Trademarks [Member]
Finite-lived intangible assets, gross	98.6		96.1
Accumulated amortization	(29.3)		(27.6)
Net finite-lived intangible assets	69.3		68.5
Other Intangible Assets [Member]
Finite-lived intangible assets, gross	70.4		70.0
Accumulated amortization	(57.5)		(56.2)
Net finite-lived intangible assets	$ 12.9		$ 13.8