COMPREHENSIVE INCOME (LOSS) AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 29, 2023	Jul. 30, 2022	Jul. 31, 2021
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net periodic benefit income, excluding service cost	$ (29)	$ (40)	$ (85)
Provision for income taxes	23	(56)	(34)
Cost of sales	26,141	24,746	23,011
Total reclassifications, net of tax	30	254	155
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Amortization of amounts included in net periodic benefit income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net periodic benefit income, excluding service cost	(3)	(4)	1
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Settlement gain
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net periodic benefit income, excluding service cost	0	0	(17)
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Pension and Postretirement Benefit Plan Obligations
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	3	4	(18)
Provision for income taxes	(1)	(2)	4
Total reclassifications, net of tax	2	2	(14)
Reclassification Out of Accumulated Other Comprehensive Income (loss) | AOCI Attributable to Parent | Swap Agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	(3)	10	12
Interest expense, net	(12)	36	46
Total reclassifications, net of tax	(9)	26	34
Reclassification Out of Accumulated Other Comprehensive Income (loss) | AOCI Attributable to Parent | Other Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision for income taxes	(1)	0	0
Cost of sales	(3)	2	(1)
Total reclassifications, net of tax	$ (2)	$ 2	$ (1)