v2.4.0.6
Document and Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 30, 2012
Feb. 15, 2013
Jul. 01, 2012
Entity Information [Line Items]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 30, 2012    
Entity Registrant Name SUNPOWER CORP    
Entity Central Index Key 0000867773    
Current Fiscal Year End Date --12-30    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 191.5
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Entity Common Stock, Shares Outstanding   119,269,194