Document and Entity Information - shares
3 Months Ended
Feb. 03, 2019
Mar. 01, 2019
Document and Entity Section Information [Abstract]    
Entity Registrant Name Broadcom Inc.  
Entity Central Index Key 0001730168  
Current Fiscal Year End Date --11-03  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Feb. 03, 2019  
Document Fiscal Year Focus 2019  
Document Fiscal Period Focus Q1  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   395,845,660
Entity Small Business false  
Entity Emerging Growth Company false