Significant Accounting Policies Revenue Recognition (Details)	12 Months Ended
Sep. 29, 2024	Sep. 24, 2023	Sep. 25, 2022
Revenue from External Customer
Revenue, Performance Obligation, Description of Payment Terms	Our payment terms are generally short-term in duration, with payment due shortly after delivery for product sales and within the following quarter for QTL sales-based royalties.
Service, Other
Revenue from External Customer
Revenues from providing services and licensing system software, percentage	5.00%	5.00%	5.00%

Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-12

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration