Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Trade accounts receivable, net
Accounts receivable	$ 1,506		$ 1,506		$ 1,394
Less: allowance for doubtful accounts	(75)		(75)		(75)
Less: allowance for sales returns	(46)		(46)		(44)
Trade accounts receivable, net	1,385		1,385		1,275
Allowance for doubtful accounts
Beginning balance	80	$ 77	75	$ 76
Charges to expenses	(1)	3	5	11
Utilization of allowances	(4)	(3)	(5)	(10)
Ending balance	75	77	75	77
Inventories
Finished goods	662		662		706
Work-in-process	105		105		102
Raw materials	231		231		208
Inventories	998		998		1,016
Property, plant and equipment, net
Land	84		84		86
Buildings and improvements	974		974		981
Equipment, furniture and fixtures	2,935		2,935		2,793
Capital in progress	213		213		202
Property, plant and equipment	4,206		4,206		4,062
Less: accumulated depreciation	2,706		2,706		2,572
Property, plant and equipment, net	1,500		1,500		1,490
Accrued expenses
Payroll and related liabilities	525		525		504
Business Combination, Contingent Consideration, Liability, Current	77		77		119
Legal reserves	933		933		773
Other	564		564		574
Accrued expenses	2,099		2,099		1,970
Other long-term liabilities
Accrued income taxes	1,315		1,315		1,253
Legal reserves	1,019		1,019		1,163
Business Combination, Contingent Consideration, Liability, Noncurrent	121		121		127
Other Accrued Liabilities, Noncurrent	547		547		431
Other long-term liabilities	3,002		3,002		$ 2,974
Accrued warranties
Beginning Balance			23	25
Provision			16	11
Settlements/ reversals			(19)	(11)
Ending Balance	20	25	20	25
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 67	$ 68	$ 193	$ 198