Valuation and Qualifying Accounts (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013		Dec. 31, 2012		Dec. 31, 2011
Allowance for Doubtful Accounts Receivable [Member]
Balance at Beginning of Period	$ 134.3		$ 138.4		$ 148.8
Charged to Costs and Expenses	239.3		250.9		247.0
Charged to Revenue	0		0		0
Deductions	(244.0)	[1]	255.0	[1]	257.4	[1]
Balance at End of Period	129.6		134.3		138.4
Allowance for Sales Returns [Member]
Balance at Beginning of Period	26.8		35.8		82.7
Charged to Costs and Expenses	0		0		0
Charged to Revenue	340.0		386.4		443.4
Deductions	(349.2)	[2]	395.4	[2]	490.3	[2]
Balance at End of Period	17.6		26.8		35.8
Allowance for Inventory Obsolescence [Member]
Balance at Beginning of Period	164.8		147.4		124.1
Charged to Costs and Expenses	117.1		118.8		128.1
Charged to Revenue	0		0		0
Deductions	(131.1)	[3]	101.4	[3]	104.8	[3]
Balance at End of Period	150.8		164.8		147.4
Deferred Tax Asset Valuation Allowance [Member]
Balance at Beginning of Period	627.4		546.1		462.7
Charged to Costs and Expenses	156.0	[4]	81.3	[4]	83.4	[4]
Charged to Revenue	0		0		0
Deductions	0		0		0
Balance at End of Period	$ 783.4		$ 627.4		$ 546.1

[1] Accounts written off, net of recoveries and foreign currency translation adjustment.

[2] Returned product destroyed and foreign currency translation adjustment.

[3] Obsolete inventory destroyed and foreign currency translation adjustment.

[4] Increase in valuation allowance primarily for tax loss carryforward benefits that are not more likely than not to be realized in the future.