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SEGMENT REPORTING - Schedule of Depreciation Expense Included in Operating Performance (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Segment reporting information
Total depreciation expense	$ 439	$ 428	$ 411
Operating segments | Flex Agility Solutions
Segment reporting information
Total depreciation expense	179	171	177
Operating segments | Flex Reliability Solutions
Segment reporting information
Total depreciation expense	249	241	217
Corporate & Other
Segment reporting information
Total depreciation expense	$ 11	$ 16	$ 17

X

- Definition

Depreciation, Adjusted

+ References

No definition available.

+ Details

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Balance Type:	debit
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X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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X

- Details

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X

- Details

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