Supplemental Financial Statement Data (Property, Plant and Equipment) (Details) - USD ($) $ in Millions		12 Months Ended
		Jul. 31, 2022	Aug. 01, 2021	Aug. 02, 2020
Land		$ 74	$ 75
Buildings and Improvements, Gross		1,531	1,493
Machinery and Equipment, Gross		3,932	3,732
Construction in Progress, Gross		141	189
Property, Plant and Equipment, Gross		5,678	5,489
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	[1]	(3,335)	(3,119)
Plant assets, net of depreciation		2,343	2,370
Depreciation		$ 296	$ 275	$ 285
Building [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life		7 years
Building [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life		45 years
Machinery and Equipment [Member] | Minimum [Member]
Property, Plant and Equipment, Useful Life		2 years
Machinery and Equipment [Member] | Maximum [Member]
Property, Plant and Equipment, Useful Life		20 years

[1] Depreciation expense was $296 million in 2022, $275 million in 2021 and $285 million in 2020. Buildings are depreciated over periods ranging from 7 to 45 years. Machinery and equipment are depreciated over periods generally ranging from 2 to 20 years.