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Share-Based Payments - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2015 USD ($) Age $ / shares shares | Dec. 31, 2014 USD ($) $ / shares | Dec. 31, 2013 USD ($) $ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Mattel, Inc. 2010 Equity and Long-Term Compensation Plan expiration date | Mar. 26, 2025 |  |
Number of shares, plus other considerations, used to determine the maximum number of shares of common stock available for grant under the Mattel, Inc. 2010 Equity and Long-Term Compensation Plan | shares | 77,000,000 |  |
Remaining number of shares of common stock available for grant under the Mattel, Inc. 2010 Equity and Long-Term Compensation Plan | shares | 33,000,000 |  |
Total unrecognized compensation cost related to unvested share-based payments | $ 85,400,000 |  |
Weighted average period for unrecognized compensation cost expected to be recognized (in years) | 2 years 5 days |  |
Share-based compensation | $ 56,691,000 | $ 51,993,000 | $ 61,651,000
Weighted average grant date fair value of stock options granted | $ / shares | $ 1.97 | $ 4.57 | $ 8.80
Intrinsic value of stock options exercised | $ 4,900,000 | $ 24,100,000 | $ 156,600,000
Intrinsic value of stock options outstanding | $ 49,700,000 |  |
Weighted average remaining life of stock options outstanding (in years) | 7 years 11 months 2 days |  |
Intrinsic value of stock options exercisable | $ 16,300,000 |  |
Weighted average remaining life of stock options exercisable (in years) | 5 years 11 months 20 days |  |
Stock options vested or expected to vest | shares | 17,600,000 |  |
Intrinsic value of stock options vested or expected to vest | $ 48,300,000 |  |
Weighted average exercise price of stock options vested or expected to vest | $ / shares | $ 27.48 |  |
Weighted average remaining life of stock options vested or expected to vest (in years) | 7 years 10 months 21 days |  |
Approximate stock options vested | shares | 2,000,000 |  |
Approximate total grant date fair value of stock options vested | $ 12,000,000 | 12,000,000 | 13,000,000
Cash received for stock option exercises | $ 14,995,000 | 43,299,000 | 134,506,000
Restricted stock units expected to vest | shares | 3,600,000 |  |
Weighted average grant date fair value of restricted stock units expected to vest | $ / shares | $ 29.11 |  |
Total grant date fair value of restricted stock units vested | $ 43,200,000 | 42,500,000 | 32,800,000
Restricted Stock Unit Compensation Expense, Excluding Performance Restricted Stock Unit Compensation Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation | 41,500,000 | 39,500,000 | 38,200,000
Income tax benefits from share-based payment arrangements | 11,000,000 | 10,600,000 | 10,600,000
Performance Restricted Stock Unit Compensation Expense |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Share-based compensation | 0 | 0 | 11,400,000
Income tax benefits from share-based payment arrangements | $ 0 | 0 | 4,200,000
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 | Age | 55 |  |
Service period requirement for accelerated vesting | 5 years |  |
Accelerated vesting period for individuals who meet the age and service requirements | 6 months |  |
Number of shares issued per RSU award (in shares) | shares | 3 |  |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award (in shares) | shares | 1,000 |  |
Share-based compensation | $ 15,200,000 | 12,500,000 | 12,100,000
Income tax benefits from share-based payment arrangements | $ 5,500,000 | $ 3,500,000 | $ 3,800,000
Stock Appreciation Rights (SARs) |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award (in shares) | shares | 1,000 |  |
Restricted Stock |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of shares issued per RSU award (in shares) | shares | 3,000 |  |
Nonqualified 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 | Age | 55 |  |
Service period requirement for accelerated vesting | 5 years |  |
Accelerated vesting period for individuals who meet the age and service requirements | 6 months |  |
Nonqualified Stock Options | Maximum |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Stock option expire from date of grant, period | 10 years |  |

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