Cover Page - shares	6 Months Ended
	Dec. 27, 2024	Feb. 27, 2025
Cover [Abstract]
Document Type	10-Q/A
Document Period End Date	Dec. 27, 2024
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		144,863,251
Entity Central Index Key	0002023554
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	Q2
Amendment Flag	true
Current Fiscal Year End Date	--06-27
Amendment Description	The purpose of this Amendment No. 1 on Form 10-Q/A to the Registrant’s Quarterly Report on Form 10-Q for the quarter ended December 27, 2024, filed with the Securities and Exchange Commission on March 7, 2025 (the “Form 10-Q”), is to (1) correct an error in the number of shares outstanding on the cover page of the Form 10-Q as of the last practicable date from 114,863,251 to 144,863,251, and (2) correct a typographical error in the certification contained in Exhibit 31.2 to the Form 10-Q.No other changes have been made to the Form 10-Q, which is hereby refiled in its entirety. This Form 10-Q/A does not reflect events that may have occurred subsequent to the original filing date, and except as noted above, does not modify or update in any way disclosures made in the original Form 10-Q.
Document Quarterly Report	true