COMPREHENSIVE INCOME (LOSS) AND ACCUMULATED OTHER COMPREHENSIVE LOSS - Reclassification out of Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Jul. 30, 2022	Jul. 31, 2021	Aug. 01, 2020
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net periodic benefit income, excluding service cost	$ 40	$ 85	$ 39
Total reclassifications	310	183	(342)
Provision (benefit) for income taxes	(56)	(34)	91
Interest expense, net	(155)	(204)	(192)
Cost of sales	(24,746)	(23,011)	(22,670)
Net income (loss) including noncontrolling interests	254	155	(269)
Derivatives | Swap Agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net income (loss) including noncontrolling interests	26	34	18
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Benefit Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Total reclassifications	4	(18)	8
Provision (benefit) for income taxes	(2)	4	(2)
Net income (loss) including noncontrolling interests	2	(14)	6
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	4	(1)	(3)
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Settlement charge
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Net periodic benefit income, excluding service cost	0	(17)	11
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Swap Agreements and Other Cash Flow Hedges | Swap Agreements
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision (benefit) for income taxes	(10)	(12)	(7)
Interest expense, net	36	46	25
Reclassification Out of Accumulated Other Comprehensive Income (loss) | Swap Agreements and Other Cash Flow Hedges | Other Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Provision (benefit) for income taxes	0	0	0
Cost of sales	2	(1)	0
Net income (loss) including noncontrolling interests	$ 2	$ (1)	$ 0