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Supplemental Financial Information - Additional Information (Detail) - USD ($)
$ in Millions
9 Months Ended
Jan. 28, 2022
Jan. 29, 2021
Apr. 30, 2021
Property Plant And Equipment [Line Items]      
Revenue recognized $ 1,647 $ 1,687  
Lenovo NetApp Technology Limited (“LNTL”)      
Property Plant And Equipment [Line Items]      
Non-controlling equity interest, ownership percentage 49.00%    
Other non current assets $ 75   $ 71