Name:	mat_AnnualIncreaseInMedicarePartBPremiumUsedToDetermineProjectedAndAccumulatedBenefitObligationsForDomesticPostretirementBenefitPlans
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The ultimate trend rate for health care costs used to determine projected and accumulated benefit obligation.

No definition available.

Name:	mat_DefinedBenefitPlanUltimateHealthCareCostTrendRateUsedToDetermineProjectedAndAccumulatedBenefitObligation
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Health Care Cost Trend Rate used to Determine Projected and Accumulated Benefit Obligation

No definition available.

Name:	mat_HealthCareCostTrendRateUsedToDetermineProjectedAndAccumulatedBenefitObligation
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Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (k)(1)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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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.

No definition available.

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Year ultimate health care cost trend rate is expected to be reached, in CCYY format.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (l)
-URI http://asc.fasb.org/extlink&oid=108410482&loc=d3e1928-114920

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