Cover Page - shares	9 Months Ended
	Mar. 28, 2025	May 05, 2025
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Mar. 28, 2025
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(Registrant’s telephone number, including area code)
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	Non-accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		145,299,218
Entity Central Index Key	0002023554
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q3
Amendment Flag	false
Current Fiscal Year End Date	--06-27