ORGANIZATION OF THE COMPANY AND BASIS OF PRESENTATION - Supplier Finance Program (Details) $ in Millions	3 Months Ended
Jun. 30, 2023 USD ($)
Supplier Finance Program, Obligation [Roll Forward]
Confirmed obligations outstanding at the beginning of the period	$ 275
Invoices confirmed during the period	272
Confirmed invoices paid during the period	(279)
Foreign currency exchange impact	3
Confirmed obligations outstanding at the end of the period	$ 271

Supplier Finance Program, Foreign Currency Exchange Impact

No definition available.

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Namespace Prefix:	flex_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of obligation for supplier finance program.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 405
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-Name Accounting Standards Codification
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 405
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of decrease in obligation for supplier finance program from settlement.

+ References

+ Details

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

- Definition

Amount of increase in obligation for supplier finance program.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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Balance Type:	na
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