Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Allowance for doubtful accounts
Beginning balance	$ 86	$ 90	$ 88	$ 81
Charges to expenses	3	(3)	6	6
Utilization of allowances	(5)	(4)	(10)	(4)
Ending balance	84	83	84	83
Trade accounts receivable, net
Accounts receivable	1,397		1,397		1,336
Less: allowance for doubtful accounts	(84)		(84)		(88)
Less: allowance for sales returns	(35)		(35)		(31)
Trade accounts receivable, net	1,278		1,278		1,217
Inventories
Finished goods	555		555		598
Work-in-process	83		83		70
Raw materials	204		204		216
Inventories	842		842		884
Property, plant and equipment, net
Land	81		81		81
Buildings and improvements	903		903		873
Equipment, furniture and fixtures	2,377		2,377		2,348
Capital in progress	190		190		218
Property, plant and equipment	3,551		3,551		3,520
Less: accumulated depreciation	2,027		2,027		1,956
Property, plant and equipment, net	1,524		1,524		1,564
Accrued expenses
Legal reserves	405		405		452
Payroll and related liabilities	233		233		120
Accrued contingent consideration	104		104		100
Other	623		623		612
Accrued expenses	1,365		1,365		1,284
Other long-term liabilities
Legal reserves	1,270		1,270		1,215
Accrued income taxes	377		377		543
Accrued contingent consideration	521		521		391
Other Long-Term Liabilities	390		390		398
Other long-term liabilities	2,558		2,558		2,547
Accrued warranties
Beginning Balance			26	30
Provision			5	2
Settlements/ reversals			(6)	(7)
Ending Balance	25	25	25	25
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 66	$ 68	$ 127	$ 135