Supplemental Financial Statement Data - Property, Plant and Equipment (Details) - USD ($) $ in Millions	Apr. 02, 2021	Jul. 03, 2020
Property, plant and equipment:
Property, plant and equipment, gross	$ 10,849	$ 10,300
Accumulated depreciation	(7,788)	(7,446)
Property, plant and equipment, net	3,061	2,854
Land
Property, plant and equipment:
Property, plant and equipment, gross	278	294
Buildings and improvements
Property, plant and equipment:
Property, plant and equipment, gross	1,820	1,837
Machinery and equipment
Property, plant and equipment:
Property, plant and equipment, gross	7,832	7,391
Computer equipment and software
Property, plant and equipment:
Property, plant and equipment, gross	456	429
Furniture and fixtures
Property, plant and equipment:
Property, plant and equipment, gross	52	52
Construction-in-process
Property, plant and equipment:
Property, plant and equipment, gross	$ 411	$ 297