v3.26.3
Cover Page - shares
3 Months Ended
Oct. 02, 2026
Oct. 26, 2026
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Oct. 02, 2026  
Document Transition Report false  
Entity File Number 001-42420  
Entity Registrant Name Sandisk Corporation  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 99-1508671  
Entity Address, Address Line One 951 Sandisk Drive  
Entity Address, City or Town Milpitas  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95035  
City Area Code 408  
Local Phone Number 801-1000  
Title of 12(b) Security Common Stock, $0.01 Par Value Per Share  
Trading Symbol SNDK  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Entity Small Business false  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   142,289,365
Entity Central Index Key 0002023554  
Document Fiscal Year Focus 2027  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Current Fiscal Year End Date --07-03