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Segments of Business and Geographic Areas - Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
Sales by geographic area
Sales	$ 20,830	$ 18,839	$ 40,839	$ 36,605
Percentage Change In Sales By Geographic Area	10.60%		11.60%
United States
Sales by geographic area
Sales	$ 10,640	9,726	$ 20,591	19,104
Percentage Change In Sales By Geographic Area	9.40%		7.80%
Europe
Sales by geographic area
Sales	$ 4,810	4,232	$ 9,607	8,090
Percentage Change In Sales By Geographic Area	13.70%		18.80%
Western Hemisphere, excluding U.S.
Sales by geographic area
Sales	$ 1,540	1,499	$ 3,107	2,953
Percentage Change In Sales By Geographic Area	2.70%		5.20%
Asia-Pacific, Africa
Sales by geographic area
Sales	$ 3,840	$ 3,382	$ 7,534	$ 6,458
Percentage Change In Sales By Geographic Area	13.50%		16.70%

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- Definition

Percentage change in sales by geographic area.

+ References

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- 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 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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