Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Dec. 31, 2013
Allowance for doubtful accounts
Beginning balance	$ 75	$ 86	$ 81	$ 88
Charges to expenses	6	3	4	6
Utilization of allowances	(1)	(5)	(5)	(10)
Ending balance	80	84	80	84
Trade accounts receivable, net
Accounts receivable	1,403		1,403		1,419
Less: allowance for doubtful accounts	(80)		(80)		(81)
Less: allowance for sales returns	(36)		(36)		(31)
Trade accounts receivable, net	1,287		1,287		1,307
Inventories
Finished goods	634		634		598
Work-in-process	114		114		90
Raw materials	201		201		209
Inventories	949		949		897
Property, plant and equipment, net
Land	81		81		81
Buildings and improvements	950		950		917
Equipment, furniture and fixtures	2,554		2,554		2,461
Capital in progress	192		192		211
Property, plant and equipment	3,777		3,777		3,670
Less: accumulated depreciation	2,243		2,243		2,124
Property, plant and equipment, net	1,534		1,534		1,546
Accrued expenses
Legal reserves	81		81		84
Payroll and related liabilities	410		410		488
Business Combination, Contingent Consideration, Liability, Current	181		181		148
Other	605		605		628
Accrued expenses	1,277		1,277		1,348
Other long-term liabilities
Legal reserves	745		745		523
Accrued income taxes	1,244		1,244		1,283
Business Combination, Contingent Consideration, Liability, Noncurrent	191		191		353
Other Accrued Liabilities, Noncurrent	426		426		410
Other long-term liabilities	2,606		2,606		2,569
Accrued warranties
Beginning Balance			28	26
Provision			2	5
Settlements/ reversals			(6)	(6)
Ending Balance	24	25	24	25
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 69	$ 66	$ 134	$ 127