CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Income Statement [Abstract]
Net sales	$ 7,756	$ 6,619	$ 22,869	$ 19,190
Cost of sales	7,168	6,126	21,155	17,752
Restructuring charges	5	2	5	10
Gross profit	583	491	1,709	1,428
Selling, general and administrative expenses	243	225	729	638
Intangible amortization	19	15	62	45
Operating income	321	251	918	745
Interest and other, net	59	8	152	(103)
Income before income taxes	262	243	766	848
Provision for income taxes	25	16	96	79
Net income	237	227	670	769
Net income attributable to redeemable noncontrolling interest	7	0	19	0
Net income attributable to Flex Ltd.	$ 230	$ 227	$ 651	$ 769
Earnings per share attributable to the shareholders of Flex Ltd.:
Basic (in dollars per share)	$ 0.51	$ 0.48	$ 1.43	$ 1.60
Diluted (in dollars per share)	$ 0.50	$ 0.48	$ 1.41	$ 1.58
Weighted-average shares used in computing per share amounts:
Basic (in shares)	452	469	455	481
Diluted (in shares)	459	474	462	487