Accumulated Other Comprehensive Income (Loss) (Schecule of amounts reclassified from AOCI) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Apr. 27, 2025	Apr. 28, 2024	Apr. 27, 2025	Apr. 28, 2024
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of products sold	$ 1,747	$ 1,637	$ 5,518	$ 5,047
Interest expense	(85)	(70)	(260)	(165)
Other expenses / (income)	(160)	(30)	(244)	(80)
Taxes on earnings	(15)	(49)	(155)	(193)
Net Income (Loss) Attributable to Parent	66	133	457	570
Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other expenses / (income)	1	0	1	0
Taxes on earnings	(1)	0	(1)	0
Net Income (Loss) Attributable to Parent	0	0	0	0
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cost of products sold	(1)	0	(2)	(2)
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax	0	0	0	1
Taxes on earnings	0	0	0	0
Net Income (Loss) Attributable to Parent	0	0	0	1
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Interest Rate Contract [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Interest expense	(1)	0	(2)	(1)
Accumulated Gain (Loss), Net, Cash Flow Hedge, 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	$ 1	$ 0	$ 2	$ 2