Supplemental Balance Sheet Information (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Trade accounts receivable, net
Accounts receivable	$ 1,512		$ 1,512		$ 1,394
Less: allowance for doubtful accounts	(80)		(80)		(75)
Less: allowance for sales returns	(45)		(45)		(44)
Trade accounts receivable, net	1,387		1,387		1,275
Allowance for doubtful accounts
Beginning balance	80	$ 72	75	$ 76
Charges to expenses	3	6	7	8
Utilization of allowances	(3)	(1)	(2)	(7)
Ending balance	80	77	80	77
Inventories
Finished goods	654		654		706
Work-in-process	108		108		102
Raw materials	219		219		208
Inventories	981		981		1,016
Property, plant and equipment, net
Land	83		83		86
Buildings and improvements	966		966		981
Equipment, furniture and fixtures	2,904		2,904		2,793
Capital in progress	183		183		202
Property, plant and equipment	4,136		4,136		4,062
Less: accumulated depreciation	2,649		2,649		2,572
Property, plant and equipment, net	1,487		1,487		1,490
Accrued expenses
Payroll and related liabilities	500		500		504
Business Combination, Contingent Consideration, Liability, Current	102		102		119
Legal reserves	1,075		1,075		773
Other	559		559		574
Accrued expenses	2,236		2,236		1,970
Other long-term liabilities
Accrued income taxes	1,291		1,291		1,253
Legal reserves	1,300		1,300		1,163
Business Combination, Contingent Consideration, Liability, Noncurrent	105		105		127
Other Accrued Liabilities, Noncurrent	543		543		431
Other long-term liabilities	3,239		3,239		$ 2,974
Accrued warranties
Beginning Balance			23	25
Provision			10	10
Settlements/ reversals			(13)	(9)
Ending Balance	20	26	20	26
Supplemental Balance Sheet Information (Textuals) [Abstract]
Depreciation expense	$ 62	$ 65	$ 126	$ 130