Leases - Schedule of Selected Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 03, 2025	Sep. 27, 2024	Sep. 29, 2023
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 103	$ 60	$ 64
Cost of revenues
Lessee, Lease, Description [Line Items]
Operating lease cost	34	44	40
Selling, general and administrative expenses
Lessee, Lease, Description [Line Items]
Operating lease cost	$ 69	$ 16	$ 24

Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 53
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479589/842-20-55-53

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-4

Name:	us-gaap_OperatingLeaseCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration