Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Trade accounts receivable, net
Accounts receivable	$ 1,390		$ 1,390		$ 1,288
Less: allowance for doubtful accounts	(77)		(77)		(76)
Less: allowance for sales returns	(39)		(39)		(29)
Trade accounts receivable, net	1,274		1,274		1,183
Allowance for doubtful accounts
Beginning balance	77	$ 80	76	$ 81
Charges to expenses	3	0	11	4
Utilization of allowances	(3)	(5)	(10)	(10)
Ending balance	77	75	77	75
Inventories
Finished goods	751		751		649
Work-in-process	110		110		97
Raw materials	225		225		200
Inventories	1,086		1,086		946
Property, plant and equipment, net
Land	87		87		80
Buildings and improvements	965		965		944
Equipment, furniture and fixtures	2,787		2,787		2,633
Capital in progress	195		195		189
Property, plant and equipment	4,034		4,034		3,846
Less: accumulated depreciation	2,555		2,555		2,339
Property, plant and equipment, net	1,479		1,479		1,507
Accrued expenses
Payroll and related liabilities	469		469		512
Business Combination, Contingent Consideration, Liability, Current	164		164		158
Legal reserves	383		383		694
Other	589		589		586
Accrued expenses	1,605		1,605		1,950
Other long-term liabilities
Accrued income taxes	1,287		1,287		1,231
Legal reserves	1,176		1,176		883
Business Combination, Contingent Consideration, Liability, Noncurrent	102		102		116
Other Accrued Liabilities, Noncurrent	436		436		436
Other long-term liabilities	3,001		3,001		$ 2,666
Accrued warranties
Beginning Balance			25	28
Provision			11	6
Settlements/ reversals			(11)	(9)
Ending Balance	25	25	25	25
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 68	$ 71	$ 198	$ 205