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Subsequent Events | 12 Months Ended
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Dec. 31, 2025
Subsequent Events [Abstract] |
Subsequent Events | Subsequent Events Mattel163 Limited On January 30, 2026, Mattel entered into a definitive agreement to acquire the remaining 50% ownership interest in Mattel163 Limited ("Mattel163"), a mobile games studio. Upon completion of the transaction, which is subject to the satisfaction of customary closing conditions, Mattel will own 100% of Mattel163. The purchase price for the remaining 50% interest is $159.0 million, subject to customary closing adjustments. Mattel plans to fund the purchase price using cash on hand, including dividends expected to be received from Mattel163. Upon closing, Mattel will account for the transaction under the acquisition method of accounting in accordance with Accounting Standards Codification 805, Business Combinations. The previously held 50% equity interest in Mattel163 will be remeasured to its acquisition-date fair value. The resulting remeasurement is expected to result in a gain, which will be recognized in other non-operating income, net within the consolidated statement of operations during the period in which the transaction closes. Additionally, future financial results of Mattel163 will be consolidated and included in Mattel's consolidated financial statements subsequent to closing. U.S. Tariff Update On February 20, 2026, the United States Supreme Court issued a ruling striking down certain tariffs previously imposed under the International Emergency Economic Powers Act ("IEEPA"). The ultimate availability, timing, and amount of any potential refunds of such tariffs remain highly uncertain and are subject to further legal, regulatory, and administrative developments. Following the Supreme Court’s decision, the U.S. presidential administration announced its intention to invoke other laws to collect tariffs and announced new tariffs on imports from all countries, in addition to any existing non-IEEPA tariffs. There remains substantial uncertainty regarding the duration of existing and newly announced tariffs, potential changes or pauses to such tariffs, tariff levels, and whether further additional tariffs or other retaliatory actions may be imposed, modified, or suspended, and the impacts of such actions on Mattel's business. Mattel continues to monitor and evaluate these developments and assess their potential impact on Mattel’s business, financial condition, and results of operations.

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- Definition The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/855/tableOfContent Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 855 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483399/855-10-50-2 + Details
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