Document and Entity Information - shares	3 Months Ended
	Feb. 02, 2020	Feb. 28, 2020
Entity Information [Line Items]
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q1
Amendment Flag	false
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	Feb. 02, 2020
Entity Registrant Name	Broadcom Inc.
Entity Incorporation, State or Country Code	DE
Entity File Number	001-38449
Entity Tax Identification Number	35-2617337
Entity Address, Address Line One	1320 Ridder Park Drive
Entity Address, City or Town	San Jose,
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	95131-2313
City Area Code	(408)
Local Phone Number	433-8000
Entity Central Index Key	0001730168
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Current Fiscal Year End Date	--11-01
Entity Common Stock, Shares Outstanding		399,791,345
Common Stock, $0.001 par value
Entity Information [Line Items]
Title of 12(b) Security	Common Stock, $0.001 par value
Trading Symbol	AVGO
Security Exchange Name	NASDAQ
8.00% Mandatory Convertible Preferred Stock, Series A, $0.001 par value
Entity Information [Line Items]
Title of 12(b) Security	8.00% Mandatory Convertible Preferred Stock, Series A, $0.001 par value
Trading Symbol	AVGOP
Security Exchange Name	NASDAQ