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								12 Months Ended
	Jan. 01, 2017	Oct. 02, 2016	Jul. 03, 2016	Apr. 03, 2016	Jan. 03, 2016	Sep. 27, 2015	Jun. 28, 2015	Mar. 29, 2015	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Segment Reporting Information [Line Items]
Sales to Customers	$ 18,106	$ 17,820	$ 18,482	$ 17,482	$ 17,811	$ 17,102	$ 17,787	$ 17,374	$ 71,890	$ 70,074	$ 74,331
Identifiable Assets	141,208				133,411				141,208	133,411
Corporate, Non-Segment
Segment Reporting Information [Line Items]
Other Non Long Lived Assets	75,615				70,113				75,615	70,113
Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									71,890	70,074	74,331
Long-Lived Assets	64,403				62,150				64,403	62,150
United States | Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									37,811	35,687	34,782
Long-Lived Assets	36,934				36,609				36,934	36,609
Europe | Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									15,770	15,995	18,947
Long-Lived Assets	21,996				20,167				21,996	20,167
Western Hemisphere excluding U.S. | Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									5,734	6,045	7,160
Long-Lived Assets	2,961				2,881				2,961	2,881
Asia-Pacific, Africa | Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									12,575	12,347	13,442
Long-Lived Assets	2,512				2,493				2,512	2,493
General Corporate | Corporate, Non-Segment
Segment Reporting Information [Line Items]
Long-Lived Assets	$ 1,190				$ 1,148				1,190	1,148
Operating Segments
Segment Reporting Information [Line Items]
Sales to Customers									$ 71,890	$ 70,074	$ 74,331
Sales Revenue, Net
Segment Reporting Information [Line Items]
Concentration risk (as a percent)										12.50%	11.00%
Sales Revenue, Net | Wholesaler 1
Segment Reporting Information [Line Items]
Concentration risk (as a percent)									13.50%
Sales Revenue, Net | Wholesaler 2
Segment Reporting Information [Line Items]
Concentration risk (as a percent)									10.70%