Accumulated Other Comprehensive Income (Loss) (Schecule of amounts reclassified from AOCI) (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 29, 2023	Oct. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of products sold	$ (1,730)	$ (1,741)
Taxes on earnings	(76)	(93)
Net Income (Loss) Attributable to Parent	234	297
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 products sold	0	4
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax	0	4
Taxes on earnings	0	(1)
Net Income (Loss) Attributable to Parent	0	3
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 products sold	0	3
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 products sold	$ 0	$ 1