Accumulated Other Comprehensive Income (Loss) (Schecule of amounts reclassified from AOCI) (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 30, 2022	Oct. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Goods and Services Sold	$ (1,741)	$ (1,514)
Taxes on earnings	(93)	(68)
Net Income (Loss) Attributable to Parent	297	261
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Goods and Services Sold	4	0
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax	4	0
Taxes on earnings	(1)	0
Net Income (Loss) Attributable to Parent	3	0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Commodity Derivative Contracts [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Goods and Services Sold	3	1
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Exchange Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of Goods and Services Sold	$ 1	$ (1)