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. 04, 2021	Jun. 28, 2020	Jul. 04, 2021	Jun. 28, 2020
Sales by geographic area
Sales	$ 23,312	$ 18,336	$ 45,633	$ 39,027
Percentage Change In Sales By Geographic Area	27.10%		16.90%
United States
Sales by geographic area
Sales	$ 11,919	9,539	$ 23,030	20,238
Percentage Change In Sales By Geographic Area	24.90%		13.80%
Europe
Sales by geographic area
Sales	$ 5,668	4,063	$ 11,082	8,890
Percentage Change In Sales By Geographic Area	39.50%		24.70%
Western Hemisphere, excluding U.S.
Sales by geographic area
Sales	$ 1,367	1,133	$ 2,791	2,635
Percentage Change In Sales By Geographic Area	20.60%		5.90%
Asia-Pacific, Africa
Sales by geographic area
Sales	$ 4,358	$ 3,601	$ 8,730	$ 7,264
Percentage Change In Sales By Geographic Area	21.00%		20.20%