CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) (Parenthetical) - USD ($) $ in Millions	Jan. 28, 2023	Jul. 30, 2022
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized (in shares)	5,000,000.0	5,000,000.0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	100,000,000.0	100,000,000.0
Common stock, shares issued (in shares)	60,900,000	58,900,000
Common stock, shares outstanding (in shares)	59,600,000	58,300,000
Pension and other postretirement benefit obligations	$ 18	$ 18