XML 75 R63.htm IDEA: XBRL DOCUMENT v3.22.1
Share-Based Compensation (Aggregate Intrinsic Value for Stock Options Outstanding and Exercisable) (Details) - USD ($)
$ in Millions
Apr. 30, 2022
May 01, 2021
Share-Based Compensation [Abstract]    
Outstanding $ 6 $ 48
Outstanding and exercisable $ 4 $ 27