LEASES - Lease Assets and Liabilities (Details) - USD ($) $ in Millions	Jul. 30, 2022	Jul. 31, 2021
Leases [Abstract]
Operating lease assets	$ 1,176	$ 1,064
Finance lease assets	$ 22	$ 112
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property and equipment, net	Property and equipment, net
Total lease assets	$ 1,198	$ 1,176
Current portion of operating lease liabilities	$ 156	$ 135
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration]	Current portion of long-term debt and finance lease liabilities	Current portion of long-term debt and finance lease liabilities
Current portion of long-term debt and finance lease liabilities	$ 13	$ 107
Long-term operating lease liabilities	1,067	962
Long-term finance lease liabilities	23	35
Total lease liabilities	$ 1,259	$ 1,239