Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Oct. 01, 2021	Nov. 18, 2021	Apr. 02, 2021
Document and Entity Information [Abstract]
Document Transition Report	false
Document Annual Report	true
Trading Symbol	SWKS
Title of 12(b) Security	Common Stock, par value $0.25 per share
Local Phone Number	231-3000
Entity Address, Address Line One	5260 California Avenue
Entity Incorporation, State or Country Code	DE
Entity Registrant Name	Skyworks Solutions, Inc.
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Central Index Key	0000004127
Document Type	10-K
Document Period End Date	Oct. 01, 2021
Entity File Number	001-05560
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--10-01
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 30.9
Entity Common Stock, Shares Outstanding		165,387,253
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)
Security Exchange Name	NASDAQ
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true