Employee Benefit Plans - Valuation of Employee Share-Based Awards - Time-Based Restricted Stock Units (Details) - $ / shares shares in Millions	12 Months Ended
	Jul. 27, 2024	Jul. 29, 2023	Jul. 30, 2022
RESTRICTED STOCK UNITS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)	60	70	50
Grant date fair value per share (in dollars per share)	$ 48.71	$ 42.13	$ 49.68
Expected dividend	3.00%	3.40%	2.90%
Range of risk-free interest rates, minimum	4.20%	3.70%	0.00%
Range of risk-free interest rates, maximum	5.60%	5.70%	3.00%
PERFORMANCE BASED RESTRICTED STOCK UNITS
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares granted (in shares)	3	2	2
Grant date fair value per share (in dollars per share)	$ 59.31	$ 40.44	$ 59.64
Expected dividend			0.40%
Range of risk-free interest rates, minimum			0.00%
Range of risk-free interest rates, maximum			0.70%