Consolidated interest coverage ratio

No definition available.

Name:	mhk_ConsolidatedInterestCoverageRatio
Namespace Prefix:	mhk_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Extension Period

+ References

No definition available.

+ Details

Name:	mhk_LineOfCreditFacilityExtensionPeriod
Namespace Prefix:	mhk_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Line of Credit Facility, Extension Period, Multiplier

+ References

No definition available.

+ Details

Name:	mhk_LineOfCreditFacilityExtensionPeriodMultiplier
Namespace Prefix:	mhk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Line of Credit Facility, Maximum Increase In Commitment Amount

+ References

No definition available.

+ Details

Name:	mhk_LineOfCreditFacilityMaximumIncreaseInCommitmentAmount
Namespace Prefix:	mhk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(16)(a)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(f))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

+ Details

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

- 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
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481544/470-10-50-6

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(19)(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

+ Details

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

- Definition

The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset.

+ References

No definition available.

+ Details

Name:	us-gaap_UnamortizedDebtIssuanceExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_CreditFacilityAxis=mhk_A2019SeniorSecuredCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_BorrowingsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=mhk_StandbyLettersOfCreditRelatedToVariousInsuranceContractsAndForeignVendorCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_CreditFacilityAxis=mhk_A2022AmendedSeniorSecuredCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

- Details

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

Long-Term Debt - Senior Credit Facility (Details)				12 Months Ended
Long-Term Debt - Senior Credit Facility (Details)	Aug. 05, 2024 USD ($)	Aug. 12, 2022 USD ($)	Oct. 18, 2019 time	Dec. 31, 2024 USD ($)	Oct. 18, 2024 USD ($)	Dec. 31, 2022 USD ($)
Senior Credit Facility
Line of Credit Facility [Line Items]
Extension period multiplier (in times) \| time			2
Extension period			1 year
Consolidated interest coverage ratio			3.00
Unamortized financing costs						$ 2,700,000
Utilized borrowings under credit facility				$ 536,200,000
Available amount under credit facility				1,048,800,000
Senior Credit Facility \| Borrowings
Line of Credit Facility [Line Items]
Utilized borrowings under credit facility				0
Senior Credit Facility \| Standby letters of credit related to various insurance contracts and foreign vendor commitments
Line of Credit Facility [Line Items]
Utilized borrowings under credit facility				$ 700,000
2022 Amended Senior Secured Credit Facility
Line of Credit Facility [Line Items]
Consolidated interest coverage ratio		3.50
Securitization agreement, maximum borrowing capacity	$ 500,000,000.0	$ 1,950,000,000			$ 1,485,000,000
Line of credit facility, maximum increase In commitment amount		$ 600,000,000.0
Commitment fee (as a percent)				0.11%
Unamortized financing costs						$ 1,900,000
2022 Amended Senior Secured Credit Facility \| Minimum
Line of Credit Facility [Line Items]
Commitment fee (as a percent)		0.09%
2022 Amended Senior Secured Credit Facility \| Maximum
Line of Credit Facility [Line Items]
Commitment fee (as a percent)		0.20%
2022 Amended Senior Secured Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.10%		1.13%
2022 Amended Senior Secured Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		1.00%
2022 Amended Senior Secured Credit Facility \| Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		1.75%
2022 Amended Senior Secured Credit Facility \| Federal Funds Effective Swap Rate
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.50%
2022 Amended Senior Secured Credit Facility \| Monthly LIBOR
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		1.00%		0.13%
2022 Amended Senior Secured Credit Facility \| Monthly LIBOR \| Minimum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.00%
2022 Amended Senior Secured Credit Facility \| Monthly LIBOR \| Maximum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.75%
2022 Amended Senior Secured Credit Facility \| Foreign Currencies Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		1.00%
2022 Amended Senior Secured Credit Facility \| Foreign Currencies Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		1.75%
2022 Amended Senior Secured Credit Facility \| Base Rate \| Minimum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.00%
2022 Amended Senior Secured Credit Facility \| Base Rate \| Maximum
Line of Credit Facility [Line Items]
Basis spread on debt instrument (as a percent)		0.75%
Lender Join Agreement
Line of Credit Facility [Line Items]
Line of credit facility, maximum increase In commitment amount	$ 100,000,000