CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 1,245	$ 1,033	$ 940
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	(19)	(64)	(39)
Unrealized gains (loss) on derivative instruments and other	18	52	(24)
Comprehensive income	1,244	1,021	877
Comprehensive income attributable to noncontrolling interest and redeemable noncontrolling interest	239	240	4
Comprehensive income attributable to Flex Ltd.	$ 1,005	$ 781	$ 873