v2.4.0.6
Document and Entity Information (USD $)
In Billions, except Share data in Millions, unless otherwise specified
9 Months Ended
Sep. 30, 2011
Jun. 30, 2010
Entity Registrant Name BROADCOM CORP  
Entity Central Index Key 0001054374  
Document Type 10-Q  
Document Period End Date Sep. 30, 2011  
Amendment Flag false  
Document Fiscal Year Focus 2011  
Document Fiscal Period Focus Q3  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Public Float   $ 16.0
Common Class A [Member]
   
Entity Common Stock, Shares Outstanding 486  
Common Class B [Member]
   
Entity Common Stock, Shares Outstanding 53