Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Mar. 31, 2024
Income Tax Disclosure [Abstract]
(Benefit) from income taxes	$ (30,565)	$ (20,790)
Discrete tax (benefit) expense	(11,400)	$ (8,400)
Reasonably possible changes to unrecognized tax benefits related to settlement of tax audits and/or expiration of statutes of limitations within the next twelve months	$ 15,100

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

MATTEL INC /DE/ 10-Q