Document and Entity Information (USD $)	3 Months Ended
	Mar. 29, 2015
Entity Information
Entity Registrant Name	SANDISK CORP
Entity Central Index Key	0001000180
Current Fiscal Year End Date	--01-03
Entity Filer Category	Large Accelerated Filer
Document Type	10-Q
Document Period End Date	Mar. 29, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q1
Amendment Flag	false
Entity Common Stock, Shares Outstanding	207,888,232
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Common Stock [Member]
Entity Information
Common Stock, Par or Stated Value Per Share	0.001