The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Exchange Act
-Number 240
-Section 12
-Subsection b-2

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- Definition

Amount of total assets in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, current value of investment, participant loan, and plan interest in master trust.

+ References

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- Definition

Current value of investment, excluding plan interest in master trust, in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract.

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- Definition

Amount, after deemed distribution, of participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

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- Definition

Number of shares or units of investment held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (3)
-Publisher DOL-EBSA

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (4)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(B)
-Publisher DOL-EBSA

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)(i)(B)
-Publisher DOL-EBSA

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)(ii)
-Publisher DOL-EBSA

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-02(b))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

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- Definition

Interest rate on participant loan in schedule of asset held for investment of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

+ References

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- Definition

Plan number of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), in three-digit numeric format.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule II))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule III))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (3)
-Publisher DOL-EBSA

Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (4)
-Publisher DOL-EBSA

Reference 7: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (1)
-Publisher DOL-EBSA

Reference 8: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 6
-Paragraph d
-Subparagraph (2)
-Publisher DOL-EBSA

Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (2)
-Publisher DOL-EBSA

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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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(D)
-Publisher DOL-EBSA

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6A-05(a)(Schedule I))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477804/962-205-S99-1

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(A)
-Publisher DOL-EBSA

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(C)
-Publisher DOL-EBSA

Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Employee Retirement Income Security Act of 1974
-Number 2520
-Section 103
-Subsection 10
-Paragraph b
-Subparagraph (1)(i)(B)
-Publisher DOL-EBSA

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Schedule H, Line 4i – Schedule of Assets (Held At End of Year) (Details) - EBP 001 - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]
Entity tax identification number	34-0526850
Plan number	001
Notes receivable from participants	$ 108,857,803
Total	$ 10,313,186,605
The Sherwin-Williams Company common stock
EBP, Schedule of Asset Held for Investment [Line Items]
Shares held (in shares)	14,886,577	16,771,640
Investment, Identifier [Axis]: Collective Trust Funds \| Fidelity Management Trust Company \| Fidelity® Contrafund® Commingled Pool
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	$ 607,768,366
Investment, Identifier [Axis]: Collective Trust Funds \| Fidelity Management Trust Company \| Fidelity® Low-Priced Stock Commingled Pool
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	78,967,212
Investment, Identifier [Axis]: Collective Trust Funds \| Fidelity Management Trust Company \| Fidelity® Mid-Cap Stock Commingled Pool
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	126,407,801
Investment, Identifier [Axis]: Collective Trust Funds \| Fidelity Management Trust Company \| Managed Income Portfolio II Class 3
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	128,056,855
Investment, Identifier [Axis]: Collective Trust Funds \| Invesco Trust Company \| Invesco Core Plus Fixed Income Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	53,444,439
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2005 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	7,849,107
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2010 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	8,288,085
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2015 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	27,126,265
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2020 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	70,932,206
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2025 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	250,629,547
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2030 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	404,981,825
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2035 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	405,521,046
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2040 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	388,419,607
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2045 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	350,322,096
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2050 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	360,753,544
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2055 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	317,018,815
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2060 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	213,651,400
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2065 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	78,537,433
Investment, Identifier [Axis]: Collective Trust Funds \| T. Rowe Price Trust Company \| T. Rowe Price Retirement 2070 Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	6,089,259
Investment, Identifier [Axis]: Collective Trust Funds \| Vanguard Group, Inc. \| Vanguard Institutional 500 Index Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	563,940,015
Investment, Identifier [Axis]: Collective Trust Funds \| Vanguard Group, Inc. \| Vanguard Institutional Total Bond Market Index Trust
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	156,901,038
Investment, Identifier [Axis]: Collective Trust Funds \| Wellington Trust Company \| WTC-CIF II Small Cap Opportunities Portfolio
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	104,276,632
Investment, Identifier [Axis]: Common Stock, The Sherwin-Williams Company, Company Stock Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	4,823,725,214
Investment, Identifier [Axis]: Mutual Funds \| Fidelity Investments \| Fidelity® International Capital Appreciation Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	56,673,122
Investment, Identifier [Axis]: Mutual Funds \| Fidelity Investments \| Fidelity® Large Cap Value Index Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	29,892,686
Investment, Identifier [Axis]: Mutual Funds \| Fidelity Investments \| Fidelity® Limited Term Government Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	26,375,249
Investment, Identifier [Axis]: Mutual Funds \| Fidelity Investments \| Fidelity® Puritan® Fund
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	74,795,290
Investment, Identifier [Axis]: Mutual Funds \| PIMCO Investments LLC \| PIMCO All Asset Fund Institutional Class
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	4,607,232
Investment, Identifier [Axis]: Mutual Funds \| PIMCO Investments LLC \| PIMCO Low Duration Fund Institutional Class
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	19,448,474
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Group, Inc. \| Vanguard FTSE All-World ex-US Index Fund Institutional Plus Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	194,930,150
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Group, Inc. \| Vanguard Inflation-Protected Securities Fund Institutional Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	26,981,513
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Group, Inc. \| Vanguard Wellesley® Income Fund Admiral™ Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	32,506,697
Investment, Identifier [Axis]: Mutual Funds \| Vanguard Group, Inc. \| Vanguard Wellington Fund Admiral Shares
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	75,156,065
Investment, Identifier [Axis]: Other, Fidelity Investments, Fidelity® Money Market Government Portfolio
EBP, Schedule of Asset Held for Investment [Line Items]
Investment	$ 129,354,517
Minimum
EBP, Schedule of Asset Held for Investment [Line Items]
Interest rate	3.25%
Maximum
EBP, Schedule of Asset Held for Investment [Line Items]
Interest rate	10.50%