XML 104 R82.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Commitments and Contingencies - Additional Information (Detail) |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Apr. 26, 2015 | Jan. 13, 2014 USD ($) | Dec. 23, 2013 USD ($) | Dec. 21, 2013 USD ($) | Jan. 24, 2013 USD ($) | Aug. 11, 2011 USD ($) | Aug. 31, 2011 USD ($) | Apr. 30, 2011 USD ($) LegalMatter | Jan. 31, 2010 USD ($) | Jun. 30, 2006 Case | Apr. 30, 1999 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) | Nov. 11, 2014 USD ($) | Jul. 26, 2013 USD ($) | Dec. 31, 2012 USD ($) | Apr. 27, 2009 USD ($) | Jul. 17, 2008 USD ($)
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating lease rental expense, net of sublease income |  |  |  |  |  |  |  |  |  |  |  | $ 110,100,000 | $ 114,900,000 | $ 120,900,000 |  |  |  |  |
Sublease income |  |  |  |  |  |  |  |  |  |  |  | 2,700,000 | 2,700,000 | 2,600,000 |  |  |  |  |
Royalty expense |  |  |  |  |  |  |  |  |  |  |  | 228,900,000 | 264,600,000 | $ 242,400,000 |  |  |  |  |
Liability for reported and incurred but not reported claims |  |  |  |  |  |  |  |  |  |  |  | 15,500,000 | $ 13,900,000 |  |  |  |  |  |
Number of cases | Case |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |
Workers Compensation Risks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured amount per occurrence |  |  |  |  |  |  |  |  |  |  |  | 1,000,000.0 |  |  |  |  |  |  |
General And Automobile Liability Risks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured amount per occurrence |  |  |  |  |  |  |  |  |  |  |  | 500,000.0 |  |  |  |  |  |  |
Product Liability Risks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured amount per occurrence |  |  |  |  |  |  |  |  |  |  |  | 2,000,000.0 |  |  |  |  |  |  |
Self-insured amount per year |  |  |  |  |  |  |  |  |  |  |  | 2,000,000.0 |  |  |  |  |  |  |
Property Risks |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Self-insured amount per occurrence |  |  |  |  |  |  |  |  |  |  |  | 1,000,000.0 |  |  |  |  |  |  |
MGA |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Historical jury verdict |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 100,000,000 | $ 100,000,000
Claimed trade secrets | LegalMatter |  |  |  |  |  |  |  | 26 |  |  |  |  |  |  |  |  |  |  |
Compensatory damages awarded by jury |  |  |  |  |  |  |  | $ 88,500,000 |  |  |  |  |  |  |  |  |  |  |
Other claimed trade secrets | LegalMatter |  |  |  |  |  |  |  | 88 |  |  |  |  |  |  |  |  |  |  |
Reduced compensatory damages awarded by court |  |  |  |  |  |  | $ 85,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Punitive damages awarded |  |  |  |  |  |  | 85,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Attorney fees and costs awarded |  |  |  |  |  |  | 140,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Compensatory damages, punitive damages, and attorney fees and costs awarded by court |  |  |  |  |  |  | $ 310,000,000 |  |  |  |  |  |  |  |  |  |  |  |
Damages for alleged trade secret misappropriation appealed |  |  |  |  |  | $ 170,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Attorney fees and costs appealed |  |  |  |  |  | $ 140,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of damages and attorney's fees and costs vacated by the appeals court |  |  |  |  | $ 172,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Litigation accrual |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 138,000,000 |  |
Approximate amount of judgment finalized in the District Court, including interest |  |  |  | $ 138,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payment Of Judgment |  |  | $ 138,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reasonably possible range of pre-judgment interest, minimum |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |
Reasonably possible range of pre-judgment interest, maximum |  |  |  |  |  |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  |  |
Accrued litigation liability |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |
MGA | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alleged trade secrets damages claimed more than |  | $ 1,000,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reasonably possible range of loss, minimum |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |
MGA | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reasonably possible range of loss, minimum |  |  |  |  |  |  |  |  |  |  |  | 12,500,000 |  |  |  |  |  |  |
Yellowstone |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Alleged loss of profits |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  |  |  |  |
Unpaid accounts receivable |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 |  |  |  |  |  |  |
Alleged business investments |  |  |  |  |  |  |  |  |  |  |  | 3,000,000 |  |  |  |  |  |  |
Initial court appointed expert estimated loss of profits |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Court awarded damages from counterclaim |  |  |  |  |  |  |  |  | $ 4,000,000 |  |  |  |  |  |  |  |  |  |
Damages including attorney fees awarded by appeals court including inflation and interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 17,000,000 |  |  |
Damages awarded by Appeals Court including inflation and interest |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,500,000 |  |  |  |
Counterclaim Awarded By Appeals Court |  |  |  |  |  |  |  |  |  |  |  | 7,500,000 |  |  | $ 7,500,000 | $ 7,500,000 |  |  |
Loss contingency, additional fine on claim, percent | 1.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Yellowstone | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reasonably possible range of loss, minimum |  |  |  |  |  |  |  |  |  |  |  | 0 |  |  |  |  |  |  |
Yellowstone | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reasonably possible range of loss, minimum |  |  |  |  |  |  |  |  |  |  |  | $ 16,500,000 |  |  |  |  |  |  |

X
- Definition Alleged business investments by plaintiff. + References No definition available. + Details
Name: | mat_AllegedBusinessInvestments
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Alleged loss of profits sought by plaintiff. + References No definition available. + Details
Name: | mat_AllegedLossOfProfits
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Alleged trade-secrets damages claimed by Plaintiff. + References No definition available. + Details
Name: | mat_AllegedTradeSecretsDamagesClaimed
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of awarded damages and attorney's fees and costs related to trade secrets misappropriation that were vacated by Appeals Court. + References No definition available. + Details
Name: | mat_AmountOfDamagesAndAttorneyFeesAndCostsVacatedByAppealsCourt
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Approximate amount of judgment finalized in the District Court, including interest. + References No definition available. + Details
Name: | mat_AmountOfJudgmentFiledByDistrictCourt
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Attorney Fees And Costs Appealed + References No definition available. + Details
Name: | mat_AttorneyFeesAndCostsAppealed
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Attorney fees and costs awarded. + References No definition available. + Details
Name: | mat_AttorneyFeesAndCostsAwarded
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Claimed Trade Secrets + References No definition available. + Details
Name: | mat_ClaimedTradeSecrets
Namespace Prefix: | mat_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Commitments and Contingencies Disclosure [Line Items] + References No definition available. + Details
Name: | mat_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | mat_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Compensatory damages awarded by jury. + References No definition available. + Details
Name: | mat_CompensatoryDamagesAwardedByJury
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Compensatory damages, punitive damages, and attorney fees and costs awarded by court. + References No definition available. + Details
Name: | mat_CompensatoryDamagesPunitiveDamagesAndAttorneyFeesAndCostsAwardedByCourt
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Counterclaim awarded by Appeals Court including inflation. + References No definition available. + Details
Name: | mat_CounterClaimAwardedByAppealsCourtIncludingInflation
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Court awarded damages from counterclaim. + References No definition available. + Details
Name: | mat_CourtAwardedDamagesFromCounterclaim
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Damages Awarded By Appeals Court Including Inflation And Interest + References No definition available. + Details
Name: | mat_DamagesAwardedByAppealsCourtIncludingInflationAndInterest
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Damages for alleged trade secret misappropriation appealed. + References No definition available. + Details
Name: | mat_DamagesForAllegedTradeSecretMisappropriationAppealed
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Damages Including Attorney Fees Awarded By Appeals Court Including inflation And Interest + References No definition available. + Details
Name: | mat_DamagesIncludingAttorneyFeesAwardedByAppealsCourtIncludingInflationAndInterest
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Historical jury verdict + References No definition available. + Details
Name: | mat_HistoricalJuryVerdict
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Estimated loss of profits calculated by initial court-appointed expert. + References No definition available. + Details
Name: | mat_InitialCourtAppointedExpertEstimatedLossOfProfits
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Loss Contingency, Additional Fine on Claim, Percent + References No definition available. + Details
Name: | mat_LossContingencyAdditionalFineonClaimPercent
Namespace Prefix: | mat_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Loss Contingency, Claims Combined into Single Claim, Number + References No definition available. + Details
Name: | mat_LossContingencyClaimsCombinedintoSingleClaimNumber
Namespace Prefix: | mat_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other Claimed Trade Secrets + References No definition available. + Details
Name: | mat_OtherClaimedTradeSecrets
Namespace Prefix: | mat_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The approximate amount of cash paid for the copyright fee judgment, including interest. + References No definition available. + Details
Name: | mat_PaymentOfJudgment
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The estimated maximum amount of reasonably possible pre-judgment interest from a legal matter. + References No definition available. + Details
Name: | mat_PreJudgmentInterestRangeOfReasonablyPossibleLossMaximum
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The estimated minimum amount of reasonably possible pre-judgment interest from a legal matter. + References No definition available. + Details
Name: | mat_PreJudgmentInterestRangeOfReasonablyPossibleLossMinimum
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Punitive damages awarded. + References No definition available. + Details
Name: | mat_PunitiveDamagesAwarded
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Reduced Compensatory Damages Awarded by Court + References No definition available. + Details
Name: | mat_ReducedCompensatoryDamagesAwardedByCourt
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Self insured amount per occurrence. + References No definition available. + Details
Name: | mat_SelfInsuredAmountPerOccurrence
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Self insured amount per year. + References No definition available. + Details
Name: | mat_SelfInsuredAmountPerYear
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Unpaid accounts receivable counterclaim. + References No definition available. + Details
Name: | mat_UnpaidAccountsReceivables
Namespace Prefix: | mat_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_LitigationReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount of reserve for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs, which is expected to be paid within one year of the date of the statement of financial position. + 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 210.5-02.25) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 55 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6396582&loc=d3e15243-108350 + Details
Name: | us-gaap_LitigationReserveCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717 + Details
Name: | us-gaap_OperatingLeasesRentExpenseNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=6584154&loc=d3e38371-112697 + Details
Name: | us-gaap_OperatingLeasesRentExpenseSubleaseRentals1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense related to royalty payments under a contractual arrangement such as payment for mineral and drilling rights and use of technology or intellectual property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_RoyaltyExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Carrying amount (including both current and noncurrent portions) of accrued known and estimated losses incurred as of the balance sheet date for which no insurance coverage exists, and for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property. + 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 210.5-02.24) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_SelfInsuranceReserve
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | mat_SelfInsurancePerOccurrenceAxis=mat_WorkersCompensationRisksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mat_SelfInsurancePerOccurrenceAxis=mat_GeneralAndAutomobileLiabilityRisksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mat_SelfInsurancePerOccurrenceAxis=mat_ProductLiabilityRisksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mat_SelfInsurancePerOccurrenceAxis=mat_PropertyRisksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=mat_MgaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LitigationCaseAxis=mat_YellowstoneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |