OTHER EMPLOYEE BENEFITS (Details) - BioMarin Retirement Savings Plan - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]
Company's contribution to match employees contribution	100.00%
Employer contribution of maximum percentage over employee's annual compensation	6.00%
Company's contribution from employment commencement	$ 32.7	$ 30.8	$ 31.6

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.

No definition available.

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