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Basis of Presentation (Policies) | 9 Months Ended
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Sep. 30, 2025
Accounting Policies [Abstract] |
Basis of Presentation | The accompanying unaudited consolidated financial statements and related disclosures have been prepared in accordance with accounting principles generally accepted in the United States ("GAAP") applicable to interim financial information and with the instructions to Form 10-Q and Rule 10-01 of Regulation S-X. In the opinion of management, all adjustments, consisting of only those of a normal recurring nature, considered necessary for a fair statement of the financial position and interim results of Mattel, Inc. and its subsidiaries ("Mattel") as of and for the periods presented have been included.
Accounting Pronouncements Not Yet Adopted | Accounting Pronouncements Not Yet Adopted In December 2023, the Financial Accounting Standards Board ("FASB") issued Accounting Standards Update ("ASU") 2023-09, Income Taxes (Topic 740): Improvements to Income Tax Disclosures. ASU 2023-09 requires enhanced income tax disclosures on an annual basis for specific categories in the rate reconciliation and disclosure of income taxes paid by jurisdiction. The guidance in ASU 2023-09 is effective for fiscal years beginning after December 15, 2024 on a prospective basis, with the option to apply the standard retrospectively. Mattel is currently evaluating the impact of the adoption of ASU 2023-09 on its consolidated financial statements. In November 2024, the FASB issued ASU 2024-03, Income Statement—Reporting Comprehensive Income—Expense Disaggregation Disclosures (Subtopic 220-40): Disaggregation of Income Statement Expenses for public business entities. ASU 2024-03 requires enhanced disclosures of each expense caption in the income statement to improve transparency and provide financial statement users with more detailed information about the nature, amount and timing of expenses impacting financial performance. Additionally, in January 2025, the FASB issued ASU 2025-01 to clarify the effective date of ASU 2024-03. The guidance in ASU 2024-03 is effective for fiscal years beginning after December 15, 2026, and interim periods within fiscal years beginning after December 15, 2027. Early adoption is permitted. The ASU may be applied either (1) prospectively to financial statements issued for reporting periods after the effective date of this ASU or (2) retrospectively to all prior periods presented in the financial statements. Mattel is currently evaluating the impact of the adoption of ASU 2024-03 on its consolidated financial statements. In July 2025, the FASB issued ASU 2025-05, Financial Instruments—Credit Losses (Topic 326): Measurement of Credit Losses for Accounts Receivable and Contract Assets. ASU 2025-05 provides the option to use a practical expedient to address implementation challenges related to the estimation of expected credit losses for current accounts receivable and current assets arising from transactions accounted for under revenue recognition (Topic 606) and assets acquired through business combinations. The practical expedient allows entities to assume current conditions as of the balance sheet date remain unchanged over the life of these assets when developing forecasts. The guidance allows entities to bypass the requirement to incorporate macroeconomic data into their forecast when such data is not expected to materially affect the estimate. The guidance in ASU 2025-05 is effective for fiscal years beginning after December 15, 2025, and interim periods within those fiscal years. Early adoption is permitted. Mattel is currently evaluating the impact of the adoption of ASU 2025-05 on its consolidated financial statements. In September 2025, the FASB issued ASU 2025-06, Intangibles—Goodwill and Other—Internal-Use Software (Subtopic 350-40): Targeted Improvements to the Accounting for Internal-Use Software. ASU 2025-06 modernizes certain aspects of the accounting for software costs to develop or obtain software for internal use under Accounting Standards Codification 350-40. The ASU requires entities to begin capitalizing software costs when management authorizes and commits to funding the software project, and it is probable that the project will be completed and the software will be used for its intended purpose. The guidance in ASU 2025-06 is effective for fiscal years beginning after December 15, 2027, and interim periods within those fiscal years. Early adoption is permitted. The amendments in ASU 2025-06 permit entities to apply the new guidance using a prospective, retrospective, or modified transition approach. Mattel is currently evaluating the impact of the adoption of ASU 2025-06 on its consolidated financial statements.

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- Definition Disclosure of accounting policy for basis of accounting, or basis of presentation, used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483426/235-10-50-4 + Details
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- Definition Disclosure of accounting policy pertaining to new accounting pronouncements that may impact the entity's financial reporting. Includes, but is not limited to, quantification of the expected or actual impact. + References No definition available. + Details
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