Seasonal Financing - Additional Information (Detail) - 2015 Credit Facility	9 Months Ended
Sep. 30, 2015 USD ($)
Debt Instrument [Line Items]
Terms of credit facility	The agreement governing the credit facility was amended and restated on June 8, 2015 to, among other things, (i) extend the maturity date of the credit facility to June 9, 2020, (ii) amend the definition of consolidated earnings before interest, taxes, depreciation, and amortization ("Consolidated EBITDA") used in calculating Mattel's financial ratio covenants, and (iii) increase the maximum allowed consolidated debt-to-Consolidated EBITDA ratio to 3.50 to 1.
Debt-to-earnings before interest taxes depreciation amortization ratio maximum for covenant compliance	350.00%
Maturity date	Jun. 09, 2020
Aggregate commitment under the credit facility	$ 1,600,000,000
Aggregate commitment under the credit facility, including the accordion feature	$ 1,850,000,000
Minimum
Debt Instrument [Line Items]
Commitment fee rate for unused commitments	0.08%
Maximum
Debt Instrument [Line Items]
Commitment fee rate for unused commitments	0.25%
Base Rate \| Minimum
Debt Instrument [Line Items]
Interest rate margin for loans	0.00%
Base Rate \| Maximum
Debt Instrument [Line Items]
Interest rate margin for loans	0.75%
LIBOR \| Minimum
Debt Instrument [Line Items]
Interest rate margin for loans	0.88%
LIBOR \| Maximum
Debt Instrument [Line Items]
Interest rate margin for loans	1.75%

Debt to Earnings Before Interest Taxes Depreciation Amortization Ratio Maximum for Covenant Compliance

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- Definition

Maximum borrowing capacity under the credit facility, including the accordion feature.

+ References

No definition available.

+ Details

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

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- Definition

Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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