Annual report pursuant to Section 13 and 15(d)

Document And Entity Information

Document And Entity Information (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Jun. 30, 2011
Feb. 29, 2012
Class A Common Stock [Member]
Feb. 29, 2012
Class B Common Stock [Member]
Document Type 10-K      
Amendment Flag false      
Document Period End Date Dec. 31, 2011      
Document Fiscal Year Focus 2011      
Document Fiscal Period Focus FY      
Entity Registrant Name MAXLINEAR INC      
Entity Central Index Key 0001288469      
Current Fiscal Year End Date --12-31      
Entity Filer Category Accelerated Filer      
Entity Common Stock, Shares Outstanding     22,172,516 11,188,001
Entity Well-known Seasoned Issuer No      
Entity Public Float   $ 208    
Entity Current Reporting Status Yes      
Entity Voluntary Filers No