XML 56 R44.htm IDEA: XBRL DOCUMENT v3.20.2
Goodwill and Purchased Intangible Assets, Net - Schedule of Goodwill Activity (Detail)
$ in Millions
3 Months Ended
Jul. 31, 2020
USD ($)
Goodwill And Intangible Assets Disclosure [Abstract]  
Beginning balance $ 1,778
Additions 260
Ending balance $ 2,038