Leases (Supplemental Cash Flow Information) (Details) - USD ($) $ in Millions	9 Months Ended
	Apr. 28, 2024	Apr. 30, 2023
Leases [Abstract]
Operating Lease, Payments	$ 70	$ 62
Finance Lease, Interest Payment on Liability	1	0
Finance Lease, Principal Payments	15	12
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability	78	106
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability	35	10
Right-of-Use Asset Obtained with Business Acquisition, Operating Leases	15	0
Right-of-Use Asset Obtained with Business Acquisition, Finance Leases	$ 13	$ 0