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Segments of Business and Geographic Areas (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 03, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Sales by geographic area
Total	$ 16,597	$ 15,330	$ 32,770	$ 30,961
Percent Change	8.30%		5.80%
U.S. [Member]
Sales by geographic area
Total	7,447	7,438	15,055	15,090
Percent Change	0.10%		(0.20%)
Europe [Member]
Sales by geographic area
Total	4,543	3,832	8,726	7,934
Percent Change	18.60%		10.00%
Western Hemisphere, excluding U.S. [Member]
Sales by geographic area
Total	1,543	1,375	2,979	2,655
Percent Change	12.20%		12.20%
Asia-Pacific, Africa [Member]
Sales by geographic area
Total	$ 3,064	$ 2,685	$ 6,010	$ 5,282
Percent Change	14.10%		13.80%

X

- Definition

Percentage change in sales by geographic area.

+ Details

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Namespace Prefix:	jnj
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X

- Definition

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 SEC
-Name Regulation S-X (SX)
-Number 210
-Article 5
-Section 03
-Paragraph 1

Reference 2: 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=6880815&loc=d3e20235-122688

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Namespace Prefix:	us-gaap
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