Document and Entity Information In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Entity Registrant Name	BROADCOM CORP
Entity Central Index Key	0001054374
Document Type	10-Q
Document Period End Date	Mar. 31, 2014
Amendment Flag	false
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q1
Current Fiscal Year End Date	--12-31
Entity Filer Category	Large Accelerated Filer
Common Class A
Shares outstanding	535
Common Class B
Shares outstanding	50