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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
	Apr. 04, 2021	Mar. 29, 2020
Sales by geographic area
Sales	$ 22,321	$ 20,691
Percentage Change In Sales By Geographic Area	7.90%
United States
Sales by geographic area
Sales	$ 11,111	10,699
Percentage Change In Sales By Geographic Area	3.90%
Europe
Sales by geographic area
Sales	$ 5,414	4,827
Percentage Change In Sales By Geographic Area	12.10%
Western Hemisphere, excluding U.S.
Sales by geographic area
Sales	$ 1,424	1,502
Percentage Change In Sales By Geographic Area	(5.10%)
Asia-Pacific, Africa
Sales by geographic area
Sales	$ 4,372	$ 3,663
Percentage Change In Sales By Geographic Area	19.40%

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Percentage change in sales by geographic area.

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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