Note 6 Accounts Receivable Sale Program (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 01, 2022	Jan. 02, 2021	Oct. 02, 2021
Transfer of Financial Assets Accounted for as Sales [Line Items]
Face Value of Receivable Sold, Percentage	100.00%
Accounts Receivable Sold During The Period	$ 93	$ 263
RPA [Member]
Transfer of Financial Assets Accounted for as Sales [Line Items]
Accounts Receivable Sold and Outstanding	8		$ 7
Amount Collected But Not Remitted to Financial Institutions	$ 17		$ 18

Accounts Receivable Sold During The Period

No definition available.

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- Definition

Amount of receivables collected by a servicer on behalf of a financial institution, for which the proceeds collected had not yet been remitted to the financial institution

+ References

No definition available.

+ Details

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- Definition

Percentage of a trade receivables face value that has been sold

+ References

No definition available.

+ Details

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Data Type:	dtr-types:percentItemType
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- Definition

Amount of derecognized financial assets from transactions which comprise an initial transfer and an agreement entered into in contemplation of the initial transfer resulting in retention of substantially all of the exposure to the economic return throughout the term of the transaction, at the date of derecognition.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 20
-Section 50
-Paragraph 4D
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	sanm_SaleofAccountsReceivableAxis=sanm_RPAMember
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Period Type: