XML 65 R55.htm IDEA: XBRL DOCUMENT v3.21.1

Seasonal Financing (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 19, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 20, 2017
Debt Instrument [Line Items]
Short-term borrowings	$ 878,000		$ 969,000	$ 150,000,000
Credit Agreement
Debt Instrument [Line Items]
Outstanding letters of credit	11,000,000		11,000,000	13,000,000
Revolving Credit Facility | Credit Agreement
Debt Instrument [Line Items]
Aggregate commitment under the credit facility		$ 1,400,000,000			$ 1,600,000,000
Short-term borrowings	$ 0		$ 0	$ 150,000,000.0
Revolving Credit Facility | Credit Agreement | Minimum | LIBOR
Debt Instrument [Line Items]
Interest rate margin for loans (as a percent)	1.25%
Revolving Credit Facility | Credit Agreement | Minimum | Base Rate
Debt Instrument [Line Items]
Interest rate margin for loans (as a percent)	0.25%
Revolving Credit Facility | Credit Agreement | Maximum | LIBOR
Debt Instrument [Line Items]
Interest rate margin for loans (as a percent)	1.75%
Revolving Credit Facility | Credit Agreement | Maximum | Base Rate
Debt Instrument [Line Items]
Interest rate margin for loans (as a percent)	0.75%
Revolving Credit Facility, Asset Based | Credit Agreement
Debt Instrument [Line Items]
Aggregate commitment under the credit facility	$ 1,110,000,000
Revolving Credit Facility, Secured | Credit Agreement
Debt Instrument [Line Items]
Aggregate commitment under the credit facility	$ 294,000,000.0

X

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The total amount of the contingent obligation under letters of credit outstanding as of the reporting date.

+ References

No definition available.

+ Details

Name:	us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- 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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120391452&loc=d3e13212-122682

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(a))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(1))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(13))
-URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878

+ Details

Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_DebtInstrumentAxis=mat_CreditAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=mat_RevolvingCreditFacilityAssetBasedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_CreditFacilityAxis=mat_RevolvingCreditFacilitySecuredMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: