Note 3 Revenue (Details) $ in Millions	3 Months Ended
Dec. 29, 2018 USD ($)
Revenue from Contract with Customer [Abstract]
Increase (Decrease) in Contract Asset Post ASC 606 Adoption	$ 44
Increase (Decrease) In Inventory Post ASC 606 Adoption	$ (39)

Increase (decrease) in contract assets during the current period as a result of ASC 606 adoption other than the impact upon adoption at the beginning of the period.

No definition available.

Name:	sanm_IncreaseDecreaseinContractAssetPostASC606Adoption
Namespace Prefix:	sanm_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration