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Share-Based Payments - Narrative (Details) $ / shares in Units, shares in Millions | 12 Months Ended
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Dec. 31, 2022 USD ($) incentiveProgram $ / shares shares | Dec. 31, 2021 USD ($) $ / shares | Dec. 31, 2020 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation | $ 69,072,000 | $ 60,081,000 | $ 60,168,000
Income tax benefits from share-based payment arrangements | 9,000,000 | $ 7,000,000 | $ 0
Total unrecognized compensation cost related to unvested share-based payments | $ 89,500,000 |  |
Weighted average period for unrecognized compensation cost expected to be recognized | 1 year 10 months 24 days |  |
Weighted average grant date fair value of stock options granted (USD per share) | $ / shares | $ 11.18 | $ 9.31 | $ 4.60
Intrinsic value of stock options exercised | $ 8,000,000 | $ 3,000,000 | $ 0
Intrinsic value of stock options outstanding | $ 26,000,000 |  |
Weighted average remaining life of stock options outstanding | 3 years 10 months 24 days |  |
Intrinsic value of stock options exercisable | $ 21,000,000 |  |
Weighted average remaining life of stock options exercisable | 3 years 3 months 18 days |  |
Cash received from stock options exercised | $ 27,750,000 | 12,131,000 | 64,000
Stock options vested or expected to vest (in shares) | shares | 17 |  |
Intrinsic value of stock options vested or expected to vest | $ 26,000,000 |  |
Weighted average exercise price of stock options vested or expected to vest (USD per share) | $ / shares | $ 21.74 |  |
Weighted average remaining life of stock options vested or expected to vest | 3 years 10 months 24 days |  |
Approximate stock options vested (in shares) | shares | 2 |  |
Approximate total grant date fair value of stock options vested | $ 9,000,000 | 15,000,000 | 11,000,000
Weighted average grant date fair value of restricted stock units expected to vest (USD per share) | $ / shares | $ 20.89 |  |
Number of long-term incentive programs | incentiveProgram | 4 |  |
Long-term incentive program, performance target duration | 3 years |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation | $ 13,200,000 | 10,100,000 | 11,600,000
Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
General vesting period | 3 years |  |
Share-based compensation | $ 37,700,000 | 27,300,000 | 28,600,000
Stock units expected to vest (in shares) | shares | 4 |  |
Total grant date fair value of restricted stock units vested | $ 29,000,000 | $ 27,000,000 | $ 31,000,000
Weighted average grant date fair value (USD per share) | $ / shares | $ 23.20 | $ 21.77 | $ 11.18
Performance Awards |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation | $ 18,200,000 | $ 22,700,000 | $ 19,900,000
Stock units expected to vest (in shares) | shares | 3 |  |
Weighted average grant date fair value of restricted stock units expected to vest (USD per share) | $ / shares | $ 13.47 |  |
Total grant date fair value of restricted stock units vested | $ 27,000,000 | $ 14,000,000 | $ 2,000,000
Weighted average grant date fair value (USD per share) | $ / shares | $ 28.39 | $ 22.91 | $ 11.93
Performance Awards | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Long-term incentive program, percentage of shares that may ultimately be earned | 200.00% |  |
Performance Awards | Minimum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Long-term incentive program, percentage of shares that may ultimately be earned | 0.00% |  |
Amended 2010 Plan |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares authorized (in shares) | shares | 130 |  |
Amended 2010 Plan | Target Performance Goals |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Remaining number of shares of common stock available for grant under the Mattel, Inc. 2010 Equity and Long-Term Compensation Plan (in shares) | shares | 36 |  |
Amended 2010 Plan | Maximum Achievement Goals |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Remaining number of shares of common stock available for grant under the Mattel, Inc. 2010 Equity and Long-Term Compensation Plan (in shares) | shares | 30 |  |
Amended 2010 Plan | Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Minimum grant date fair value of nonqualified stock options as a percentage of the fair value of Mattel's common stock | 100.00% |  |
General vesting period | 3 years |  |
Age requirement for accelerated vesting | 55 |  |
Service period requirement for accelerated vesting | 5 years |  |
Accelerated vesting period for individuals who meet the age and service requirements | 6 months |  |
Amended 2010 Plan | Stock Options | Grants prior to March 1, 2019 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Options | Grants on or after March 1, 2019 through March 1, 2020 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Options | Grants on or after March 2, 2020 through March 1, 2021 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Options | Grants on or after March 2, 2021 through March 1, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Options | Grants on or after March 2, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Options | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option expire from date of grant, period (no later than) | 10 years |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
General vesting period | 3 years |  |
Age requirement for accelerated vesting | 55 |  |
Service period requirement for accelerated vesting | 5 years |  |
Accelerated vesting period for individuals who meet the age and service requirements | 6 months |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) | Grants prior to March 1, 2019 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 3 |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) | Grants on or after March 1, 2019 through March 1, 2020 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 2.7 |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) | Grants on or after March 2, 2020 through March 1, 2021 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 2.35 |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) | Grants on or after March 2, 2021 through March 1, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1.9 |  |
Amended 2010 Plan | Restricted Stock Units (RSUs) | Grants on or after March 2, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1.5 |  |
Amended 2010 Plan | Stock Appreciation Rights (SARs) | Grants prior to March 1, 2019 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Appreciation Rights (SARs) | Grants on or after March 1, 2019 through March 1, 2020 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Appreciation Rights (SARs) | Grants on or after March 2, 2020 through March 1, 2021 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Appreciation Rights (SARs) | Grants on or after March 2, 2021 through March 1, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Stock Appreciation Rights (SARs) | Grants on or after March 2, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1 |  |
Amended 2010 Plan | Restricted Stock | Grants prior to March 1, 2019 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 3 |  |
Amended 2010 Plan | Restricted Stock | Grants on or after March 1, 2019 through March 1, 2020 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 2.7 |  |
Amended 2010 Plan | Restricted Stock | Grants on or after March 2, 2020 through March 1, 2021 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 2.35 |  |
Amended 2010 Plan | Restricted Stock | Grants on or after March 2, 2021 through March 1, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1.9 |  |
Amended 2010 Plan | Restricted Stock | Grants on or after March 2, 2022 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award | 1.5 |  |

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