Accumulated Other Comprehensive Income (Loss) (Schecule of amounts reclassified from AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 28, 2024	Apr. 30, 2023	Apr. 28, 2024	Apr. 30, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of products sold	$ (1,637)	$ (1,561)	$ (5,047)	$ (5,028)
Interest Expense	(70)	(47)	(165)	(139)
Taxes on earnings	(49)	(48)	(193)	(214)
Net Income (Loss) Attributable to Parent	133	160	570	689
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	2	2	9
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax	0	2	1	8
Taxes on earnings	0	(1)	0	(2)
Net Income (Loss) Attributable to Parent	0	1	1	6
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	0	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	2	2	6
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest Expense	$ 0	$ 0	$ (1)	$ (1)