Document and Entity Information
Dec. 06, 2019
Cover [Abstract]  
Amendment Flag true
Entity Central Index Key 0001058057
Document Type 8-K/A
Document Period End Date Dec. 06, 2019
Entity Incorporation, State or Country Code D0
Entity File Number 000-30877
Entity Tax Identification Number 77-0481679
Entity Address, Address Line One Canon’s Court
Entity Address, Address Line Two 22 Victoria Street
Entity Address, City or Town Hamilton
Entity Address, Postal Zip Code HM 12
Entity Address, Country BM
City Area Code 441
Local Phone Number 296-6395
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares
Trading Symbol MRVL
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Amendment Description On December 6, 2019, Marvell Technology Group Ltd. (the “Company”), filed a Current Report on Form 8-K (the “Original 8-K”) disclosing, among other things, pursuant to Item 2.01 of Form 8-K that the Company had completed its divestiture pursuant to which it sold to NXP certain assets related to its Wi-Fi connectivity business.