Goodwill and Identifiable Intangible Assets, Net (Tables)

12 Months Ended

Dec. 31, 2025

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Goodwill

The change in the carrying amount of goodwill by reporting unit for 2025 and 2024 is shown below. Brand-specific goodwill held by foreign subsidiaries is allocated to the North America reporting unit selling those brands, thereby causing a foreign currency translation impact.

	December 31, 2023		Currency Exchange Rate Impact		December 31, 2024		Currency Exchange Rate Impact		December 31, 2025
	(In thousands)
North America	$	733,487	$	(492)	$	732,995	$	2,212	$	735,207
International	443,454		(2,299)		441,155		6,236		447,391
American Girl	207,571		—		207,571		—		207,571
	$	1,384,512	$	(2,791)	$	1,381,721	$	8,448	$	1,390,169

Schedule of Identifiable Intangible Assets

Mattel's identifiable intangible assets, net consisted of the following:

	December 31, 2025		December 31, 2024
	(In thousands)
Identifiable intangible assets	$	808,830	$	798,655
Less: accumulated amortization	(471,725)		(438,092)
	$	337,105	$	360,563

Schedule of Estimated Future Amortization Expense

The estimated future amortization expense for the next five years is as follows:

	Amortization Expense
	(In thousands)
2026	$	31,717
2027	31,139
2028	29,430
2029	27,690
2030	27,690