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Document and Entity Information - USD ($)
 12 Months Ended
Apr. 29, 2022
Jun. 01, 2022
Oct. 29, 2021
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 29, 2022    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Trading Symbol NTAP    
Entity Registrant Name NetApp, Inc.    
Entity Central Index Key 0001002047    
Current Fiscal Year End Date --04-29    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   221,190,424  
Entity Public Float     $ 12,494,943,961
Entity File Number 000-27130    
Entity Tax Identification Number 77-0307520    
Entity Address, Address Line One 3060 Olsen Drive    
Entity Address, City or Town San Jose    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 95128    
City Area Code 408    
Local Phone Number 822-6000    
Document Annual Report true    
Document Transition Report false    
Entity Incorporation, State or Country Code DE    
Entity Interactive Data Current Yes    
Security Exchange Name NASDAQ    
Title of 12(b) Security Common Stock, $0.001 Par Value    
Documents Incorporated by Reference

The information called for by Part III of this Form 10-K is hereby incorporated by reference from the definitive Proxy Statement for our annual meeting of stockholders, which will be filed with the Securities and Exchange Commission not later than 120 days after April 29, 2022.

    
Auditor Firm ID 34    
Auditor Location San Jose, California    
Auditor Name DELOITTE & TOUCHE LLP