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SEGMENT REPORTING - Schedule of Segment Reporting Information by Operating Segment (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Sep. 27, 2024 | Jun. 28, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 29, 2023 | Jun. 30, 2023 | Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales | $ 6,398 | $ 6,556 | $ 6,545 | $ 6,314 | $ 6,169 | $ 6,421 | $ 6,933 | $ 6,892 | $ 25,813 | $ 26,415 | $ 28,502
Cost of inventory |  |  |  |  |  |  |  |  | (18,244) | (19,149) | (21,304)
Manufacturing expenses |  |  |  |  |  |  |  |  | (5,308) | (5,206) | (5,170)
Segment selling, general and administrative expenses |  |  |  |  |  |  |  |  | (802) | (793) | (796)
Operating income |  |  |  |  |  |  |  |  | 1,459 | 1,267 | 1,232
Intangible amortization |  |  |  |  |  |  |  |  | 70 | 70 | 81
Stock-based compensation |  |  |  |  |  |  |  |  | 125 | 113 | 101
Restructuring charges, adjusted |  |  |  |  |  |  |  |  | 84 | 172 | 27
Customer related asset impairment |  |  |  |  |  |  |  |  | 2 | 14 | 0
Legal and other |  |  |  |  |  |  |  |  | 9 | 45 | 6
Interest expense |  |  |  |  |  |  |  |  | 218 | 207 | 230
Interest income |  |  |  |  |  |  |  |  | 61 | 56 | 30
Other charges (income), net |  |  |  |  |  |  |  |  | (14) | 44 | 6
Equity in earnings (losses) of unconsolidated affiliates |  |  |  |  |  |  |  |  | (3) | 8 | (4)
Income from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,023 | 666 | 807
Accrued asset impairment | $ 5 |  |  |  |  |  |  |  | 5 |  |
Accrued acquisition costs |  |  |  |  |  |  |  |  | 4 |  |
Loss contingency accrual |  |  |  |  | $ 50 |  |  |  |  | 50 |
Operating segments |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 25,813 | 26,415 | 28,502
Corporate & Other |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of inventory |  |  |  |  |  |  |  |  | 0 | 10 | 19
Manufacturing expenses |  |  |  |  |  |  |  |  | (26) | (28) | (30)
Segment selling, general and administrative expenses |  |  |  |  |  |  |  |  | (53) | (50) | (58)
Operating income |  |  |  |  |  |  |  |  | (79) | (68) | (69)
Flex Agility Solutions | Operating segments |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 14,074 | 13,923 | 15,769
Cost of inventory |  |  |  |  |  |  |  |  | (10,378) | (10,549) | (12,256)
Manufacturing expenses |  |  |  |  |  |  |  |  | (2,508) | (2,382) | (2,485)
Segment selling, general and administrative expenses |  |  |  |  |  |  |  |  | (334) | (323) | (334)
Operating income |  |  |  |  |  |  |  |  | 854 | 669 | 694
Flex Reliability Solutions | Operating segments |  |  |  |  |  |  |  |  |  |  |
Segment reporting information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 11,739 | 12,492 | 12,733
Cost of inventory |  |  |  |  |  |  |  |  | (7,866) | (8,610) | (9,067)
Manufacturing expenses |  |  |  |  |  |  |  |  | (2,774) | (2,796) | (2,655)
Segment selling, general and administrative expenses |  |  |  |  |  |  |  |  | (415) | (420) | (404)
Operating income |  |  |  |  |  |  |  |  | $ 684 | $ 666 | $ 607

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