Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Dec. 31, 2011
Allowance for doubtful accounts
Beginning balance	$ 83	$ 67	$ 81	$ 83
Charges to expenses	1	12	7	1
Utilization of allowances	(2)	(4)	(6)	(9)
Ending balance	82	75	82	75
Trade accounts receivable, net
Accounts receivable	1,316		1,316		1,362
Less: allowance for doubtful accounts	(82)		(82)		(81)
Less: allowance for sales returns	(37)		(37)		(35)
Trade accounts receivable, net	1,197		1,197		1,246
Inventories
Finished goods	617		617		637
Work-in-process	79		79		71
Raw materials	215		215		223
Inventories	911		911		931
Property, plant and equipment, net
Land	111		111		111
Buildings and improvements	936		936		923
Equipment, furniture and fixtures	1,943		1,943		1,919
Capital in progress	203		203		230
Property, plant and equipment	3,193		3,193		3,183
Less: accumulated depreciation	1,569		1,569		1,513
Property, plant and equipment, net	1,624		1,624		1,670
Accrued expenses
Legal reserves	94		94		129
Payroll and related liabilities	422		422		466
Accrued contingent consideration	198		198		37
Other	611		611		695
Accrued expenses	1,325		1,325		1,327
Other long-term liabilities
Legal reserves	317		317		170
Accrued income taxes	1,162		1,162		1,095
Accrued contingent consideration	406		406		321
Other Long-Term Liabilities	413		413		422
Other long-term liabilities	2,298		2,298		2,008
Accrued warranties
Beginning Balance			30	43
Provision			6	4
Settlements/ reversals			(9)	(12)
Ending Balance	27	35	27	35
Supplemental Balance Sheet Information (Textuals) [Abstract]
Bad debt expense reversed				20
Depreciation expense	$ 70	$ 75	$ 205	$ 215