Supplemental Balance Sheet Information (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Trade accounts receivable, net
Accounts receivable	$ 1,346		$ 1,346		$ 1,419
Less: allowance for doubtful accounts	(75)		(75)		(81)
Less: allowance for sales returns	(38)		(38)		(31)
Trade accounts receivable, net	1,233		1,233		1,307
Allowance for doubtful accounts
Beginning balance	80	84	81	88
Charges to expenses	0	2	4	7
Utilization of allowances	(5)	(1)	(10)	(10)
Ending balance	75	85	75	85
Inventories
Finished goods	666		666		598
Work-in-process	118		118		90
Raw materials	205		205		209
Inventories	989		989		897
Property, plant and equipment, net
Land	80		80		81
Buildings and improvements	942		942		917
Equipment, furniture and fixtures	2,580		2,580		2,461
Capital in progress	186		186		211
Property, plant and equipment	3,788		3,788		3,670
Less: accumulated depreciation	2,266		2,266		2,124
Property, plant and equipment, net	1,522		1,522		1,546
Accrued expenses
Payroll and related liabilities	449		449		488
Business Combination, Contingent Consideration, Liability, Current	178		178		148
Legal reserves	75		75		84
Other	586		586		628
Accrued expenses	1,288		1,288		1,348
Other long-term liabilities
Accrued income taxes	1,260		1,260		1,283
Legal reserves	870		870		523
Business Combination, Contingent Consideration, Liability, Noncurrent	185		185		353
Other Accrued Liabilities, Noncurrent	409		409		410
Other long-term liabilities	2,724		2,724		2,569
Accrued warranties
Beginning Balance			28	26
Provision			6	11
Settlements/ reversals			(9)	(9)
Ending Balance	25	28	25	28
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 71	$ 72	$ 205	$ 199