Document and Entity Information Document - shares
9 Months Ended
Aug. 05, 2018
Aug. 31, 2018
Document and Entity Section Information [Abstract]    
Entity Registrant Name Broadcom Inc.  
Entity Central Index Key 0001730168  
Current Fiscal Year End Date --11-04  
Entity Filer Category Large Accelerated Filer  
Document Type 10-Q  
Document Period End Date Aug. 05, 2018  
Document Fiscal Year Focus 2018  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Entity Common Stock, Shares Outstanding   413,446,755