Segments of Business and Geographic Areas (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014	Sep. 27, 2015	Sep. 28, 2014
Sales by segment of business
Sales	$ 17,102	$ 18,467	$ 52,263	$ 56,077
Percentage Change In Sales By Segment Of Business	(7.40%)		(6.80%)
United States
Sales by segment of business
Sales	$ 8,791	8,842	$ 26,394	26,178
Percentage Change In Sales By Segment Of Business	(0.60%)		0.80%
International
Sales by segment of business
Sales	$ 8,311	9,625	$ 25,869	29,899
Percentage Change In Sales By Segment Of Business	(13.70%)		(13.50%)
Consumer
Sales by segment of business
Sales	$ 3,314	3,589	$ 10,187	10,890
Percentage Change In Sales By Segment Of Business	(7.70%)		(6.50%)
Consumer | United States
Sales by segment of business
Sales	$ 1,277	1,173	$ 3,991	3,802
Percentage Change In Sales By Segment Of Business	8.90%		5.00%
Consumer | International
Sales by segment of business
Sales	$ 2,037	2,416	$ 6,196	7,088
Percentage Change In Sales By Segment Of Business	(15.70%)		(12.60%)
Pharmaceutical
Sales by segment of business
Sales	$ 7,694	8,307	$ 23,366	24,314
Percentage Change In Sales By Segment Of Business	(7.40%)		(3.90%)
Pharmaceutical | United States
Sales by segment of business
Sales	$ 4,509	4,723	$ 13,423	13,076
Percentage Change In Sales By Segment Of Business	(4.50%)		2.70%
Pharmaceutical | International
Sales by segment of business
Sales	$ 3,185	3,584	$ 9,943	11,238
Percentage Change In Sales By Segment Of Business	(11.10%)		(11.50%)
Medical Devices
Sales by segment of business
Sales	$ 6,094	6,571	$ 18,710	20,873
Percentage Change In Sales By Segment Of Business	(7.30%)		(10.40%)
Medical Devices | United States
Sales by segment of business
Sales	$ 3,005	2,946	$ 8,980	9,300
Percentage Change In Sales By Segment Of Business	2.00%		(3.40%)
Medical Devices | International
Sales by segment of business
Sales	$ 3,089	$ 3,625	$ 9,730	$ 11,573
Percentage Change In Sales By Segment Of Business	(14.80%)		(15.90%)