Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Allowance for doubtful accounts
Beginning balance	$ 84	$ 83	$ 88	$ 81
Charges to expenses	2	1	7	7
Utilization of allowances	(1)	(2)	(10)	(6)
Ending balance	85	82	85	82
Trade accounts receivable, net
Accounts receivable	1,360		1,360		1,336
Less: allowance for doubtful accounts	(85)		(85)		(88)
Less: allowance for sales returns	(37)		(37)		(31)
Trade accounts receivable, net	1,238		1,238		1,217
Inventories
Finished goods	592		592		598
Work-in-process	87		87		70
Raw materials	216		216		216
Inventories	895		895		884
Property, plant and equipment, net
Land	81		81		81
Buildings and improvements	912		912		873
Equipment, furniture and fixtures	2,446		2,446		2,348
Capital in progress	177		177		218
Property, plant and equipment	3,616		3,616		3,520
Less: accumulated depreciation	2,086		2,086		1,956
Property, plant and equipment, net	1,530		1,530		1,564
Accrued expenses
Legal reserves	450		450		452
Payroll and related liabilities	170		170		120
Accrued contingent consideration	159		159		100
Other	567		567		612
Accrued expenses	1,346		1,346		1,284
Other long-term liabilities
Legal reserves	1,274		1,274		1,215
Accrued income taxes	366		366		543
Accrued contingent consideration	524		524		391
Other Long-Term Liabilities	419		419		398
Other long-term liabilities	2,583		2,583		2,547
Accrued warranties
Beginning Balance			26	30
Provision			11	6
Settlements/ reversals			(9)	(9)
Ending Balance	28	27	28	27
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 72	$ 70	$ 199	$ 205