v3.19.3.a.u2
Document And Entity Information - $ / shares
3 Months Ended
Dec. 27, 2019
Jan. 21, 2020
Cover page.    
Document Type 10-Q  
Document Period End Date Dec. 27, 2019  
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-05560  
Entity Registrant Name Skyworks Solutions, Inc.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 04-2302115  
Entity Address, Address Line One 20 Sylvan Road,  
Entity Address, City or Town Woburn  
Entity Address, State or Province MA  
Entity Address, Postal Zip Code 01801  
City Area Code (781)  
Local Phone Number 376-3000  
Title of 12(b) Security Common Stock, par value $0.25 per share  
Trading Symbol SWKS  
Security Exchange Name NASDAQ  
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  
Entity Common Stock, Shares Outstanding   170,155,181
Entity Listing, Par Value Per Share $ 0.25  
Entity Central Index Key 0000004127  
Amendment Flag false  
Document Fiscal Year Focus 2020  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --10-02