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Segments of Business and Geographic Areas - Sales By Segment Of Business (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2017	Jul. 03, 2016	Jul. 02, 2017	Jul. 03, 2016
Segment Reporting Information [Line Items]
Gain (Loss) on Sale of Assets and Asset Impairment Charges			$ 53	$ 185
Sales by segment of business
Sales	$ 18,839	$ 18,482	$ 36,605	35,964
Percentage Change In Sales By Segment Of Business	1.90%		1.80%
United States
Sales by segment of business
Sales	$ 9,726	9,572	$ 19,104	18,893
Percentage Change In Sales By Segment Of Business	1.60%		1.10%
International
Sales by segment of business
Sales	$ 9,113	8,910	$ 17,501	17,071
Percentage Change In Sales By Segment Of Business	2.30%		2.50%
Consumer
Segment Reporting Information [Line Items]
Gain (Loss) on Sale of Assets and Asset Impairment Charges
Sales by segment of business
Sales	$ 3,478	3,419	$ 6,706	6,614
Percentage Change In Sales By Segment Of Business	1.70%		1.40%
Consumer | United States
Sales by segment of business
Sales	$ 1,487	1,384	$ 2,901	2,742
Percentage Change In Sales By Segment Of Business	7.40%		5.80%
Consumer | International
Sales by segment of business
Sales	$ 1,991	2,035	$ 3,805	3,872
Percentage Change In Sales By Segment Of Business	(2.20%)		(1.70%)
Pharmaceutical
Sales by segment of business
Sales	$ 8,635	8,654	$ 16,880	16,832
Percentage Change In Sales By Segment Of Business	(0.20%)		0.30%
Pharmaceutical | United States
Sales by segment of business
Sales	$ 5,010	5,144	$ 9,882	10,081
Percentage Change In Sales By Segment Of Business	(2.60%)		(2.00%)
Pharmaceutical | International
Sales by segment of business
Sales	$ 3,625	3,510	$ 6,998	6,751
Percentage Change In Sales By Segment Of Business	3.30%		3.70%
Medical Devices
Sales by segment of business
Sales	$ 6,726	6,409	$ 13,019	12,518
Percentage Change In Sales By Segment Of Business	4.90%		4.00%
Medical Devices | United States
Sales by segment of business
Sales	$ 3,229	3,044	$ 6,321	6,070
Percentage Change In Sales By Segment Of Business	6.10%		4.10%
Medical Devices | International
Sales by segment of business
Sales	$ 3,497	$ 3,365	$ 6,698	$ 6,448
Percentage Change In Sales By Segment Of Business	3.90%		3.90%

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Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1(a))
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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