Segments of Business and Geographic Areas (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2014	Jun. 30, 2013	Jun. 29, 2014	Jun. 30, 2013
Sales by segment of business
Total	$ 19,495	$ 17,877	$ 37,610	$ 35,382
Percentage Change In Sales By Segment Of Business	9.10%		6.30%
United States
Sales by segment of business
Total	9,132	7,946	17,336	15,971
Percentage Change In Sales By Segment Of Business	14.90%		8.50%
International
Sales by segment of business
Total	10,363	9,931	20,274	19,411
Percentage Change In Sales By Segment Of Business	4.40%		4.40%
Consumer
Sales by segment of business
Total	3,744	3,658	7,301	7,333
Percentage Change In Sales By Segment Of Business	2.40%		(0.40%)
Consumer | United States
Sales by segment of business
Total	1,320	1,326	2,629	2,674
Percentage Change In Sales By Segment Of Business	(0.50%)		(1.70%)
Consumer | International
Sales by segment of business
Total	2,424	2,332	4,672	4,659
Percentage Change In Sales By Segment Of Business	3.90%		0.30%
Pharmaceutical
Sales by segment of business
Total	8,509	7,025	16,007	13,793
Percentage Change In Sales By Segment Of Business	21.10%		16.10%
Pharmaceutical | United States
Sales by segment of business
Total	4,613	3,377	8,353	6,848
Percentage Change In Sales By Segment Of Business	36.60%		22.00%
Pharmaceutical | International
Sales by segment of business
Total	3,896	3,648	7,654	6,945
Percentage Change In Sales By Segment Of Business	6.80%		10.20%
Medical Devices and Diagnostics
Sales by segment of business
Total	7,242	7,194	14,302	14,256
Percentage Change In Sales By Segment Of Business	0.70%		0.30%
Medical Devices and Diagnostics | United States
Sales by segment of business
Total	3,199	3,243	6,354	6,449
Percentage Change In Sales By Segment Of Business	(1.40%)		(1.50%)
Medical Devices and Diagnostics | International
Sales by segment of business
Total	$ 4,043	$ 3,951	$ 7,948	$ 7,807
Percentage Change In Sales By Segment Of Business	2.30%		1.80%