Supplemental Financial Statement Data - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Jul. 03, 2020	Jun. 28, 2019
Property, plant and equipment:
Property, plant and equipment, gross	$ 10,300	$ 10,003
Accumulated depreciation	(7,446)	(7,160)
Property, plant and equipment, net	2,854	2,843
Land
Property, plant and equipment:
Property, plant and equipment, gross	294	294
Buildings and improvements
Property, plant and equipment:
Property, plant and equipment, gross	1,837	1,743
Machinery and equipment
Property, plant and equipment:
Property, plant and equipment, gross	7,391	7,267
Computer equipment and software
Property, plant and equipment:
Property, plant and equipment, gross	429	441
Furniture and fixtures
Property, plant and equipment:
Property, plant and equipment, gross	52	56
Construction-in-process
Property, plant and equipment:
Property, plant and equipment, gross	$ 297	$ 202