| Cover Document | May 04, 2020 |
| Cover [Abstract] | |
| Entity Central Index Key | 0000004127 |
| Written Communications | false |
| Title of 12(b) Security | Common Stock, par value $0.25 per share |
| City Area Code | (781) |
| Entity Incorporation, State or Country Code | DE |
| Document Period End Date | May 4, 2020 |
| Document Type | 8-K |
| Entity Registrant Name | Skyworks Solutions, Inc. |
| Entity File Number | 001-05560 |
| 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 |
| Local Phone Number | 376-3000 |
| Trading Symbol | SWKS |
| Security Exchange Name | NASDAQ |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
