Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	Mar. 31, 2018	Jun. 08, 2018	Sep. 29, 2017
Document and Entity Information
Entity Registrant Name	FLEX LTD.
Entity Central Index Key	0000866374
Document Type	10-K
Document Period End Date	Mar. 31, 2018
Amendment Flag	false
Current Fiscal Year End Date	--03-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 8.8
Entity Common Stock, Shares Outstanding (shares)		528,282,247
Document Fiscal Year Focus	2018
Document Period Fiscal Period Focus	FY