Document And Entity Information (USD $) In Millions, except Share data in Thousands	12 Months Ended
	Sep. 30, 2011	Nov. 22, 2011	Apr. 01, 2011
Document Information [Line Items]
Entity Registrant Name	Skyworks Solutions, Inc.
Entity Central Index Key	0000004127
Document Type	10-K
Document Period End Date	Sep. 30, 2011
Amendment Flag	false
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Current Fiscal Year End Date	--09-30
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 5,808,022,900
Entity Common Stock, Shares Outstanding		187,889,808