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Supplemental Financial Information - Additional Information (Detail) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jul. 29, 2022
Oct. 27, 2023
Oct. 28, 2022
Apr. 28, 2023
Property Plant And Equipment [Line Items]        
Revenue recognized   $ 1,258 $ 1,280  
Gain recognized on sale of minority equity interest     32  
Other income     $ 21  
Properties Sold [Member]        
Property Plant And Equipment [Line Items]        
Proceeds from sale of minority equity interest $ 59      
Lenovo NetApp Technology Limited (“LNTL”)        
Property Plant And Equipment [Line Items]        
Non-controlling equity interest, ownership percentage   49.00%    
Other non current assets   $ 83   $ 80