v3.10.0.1
Document and Entity Information - USD ($)
$ in Billions
12 Months Ended
Dec. 31, 2018
Jan. 31, 2019
Jun. 29, 2018
Document And Entity Information [Abstract]      
Entity Registrant Name ARRIS International plc    
Entity Central Index Key 0001645494    
Trading Symbol arrs    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Current Fiscal Year End Date --12-31    
Entity Filer Category Large Accelerated Filer    
Entity Well-known Seasoned Issuer Yes    
Entity Common Stock, Shares Outstanding   174,116,131  
Entity Public Float     $ 4.5
Document Type 10-K    
Document Period End Date Dec. 31, 2018    
Amendment Flag false    
Document Fiscal Year Focus 2018    
Document Fiscal Period Focus FY    
Entity Shell Company false    
Entity Small Business false    
Entity Emerging Growth Company false