| Document and Entity Information Document - USD ($) $ in Billions | 12 Months Ended | ||
| Sep. 30, 2022 | Jan. 20, 2023 | Apr. 01, 2022 | |
| Cover page [Abstract] | |||
| Entity Interactive Data Current | Yes | ||
| Entity Filer Category | Large Accelerated Filer | ||
| Title of 12(b) Security | Common Stock, par value $0.25 per share | ||
| Entity Address, Address Line One | 5260 California Avenue | ||
| Entity Incorporation, State or Country Code | DE | ||
| Document Transition Report | false | ||
| Document Type | 10-K/A | ||
| Document Annual Report | true | ||
| Entity Tax Identification Number | 04-2302115 | ||
| Entity Address, City or Town | Irvine | ||
| Entity Address, State or Province | CA | ||
| Entity Address, Postal Zip Code | 92617 | ||
| City Area Code | (949) | ||
| Local Phone Number | 231-3000 | ||
| Trading Symbol | SWKS | ||
| Security Exchange Name | NASDAQ | ||
| Entity File Number | 001-05560 | ||
| ICFR Auditor Attestation Flag | true | ||
| Entity Shell Company | false | ||
| Entity Public Float | $ 21.3 | ||
| Entity Common Stock, Shares Outstanding | 158,974,105 | ||
| Entity Central Index Key | 0000004127 | ||
| Amendment Flag | true | ||
| Amendment Description | No. 1 | ||
| Document Fiscal Year Focus | 2022 | ||
| Document Fiscal Period Focus | FY | ||
| Current Fiscal Year End Date | --09-30 | ||
| Entity Small Business | false | ||
| Entity Emerging Growth Company | false | ||
| Document Period End Date | Sep. 30, 2022 | ||
| Entity Registrant Name | Skyworks Solutions, Inc. | ||
| Entity Well-known Seasoned Issuer | Yes | ||
| Entity Voluntary Filers | No | ||
| Entity Current Reporting Status | Yes | ||
| Auditor Name | KPMG LLP | ||
| Auditor Location | Irvine, California | ||
| Auditor Firm ID | 185 |
