v3.26.1
Fair Value -Schedule of Fair Value and NAV (Details) - EBP 001 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value $ 10,204,328,802 $ 10,439,464,807
The Sherwin-Williams Company common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 4,823,725,214 5,701,234,107
Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 541,366,478 518,643,717
Money market fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 129,354,517 122,175,487
Collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 4,709,882,593 4,097,411,496
Fair Value, Inputs, Level 1, Level 2, and Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 5,494,446,209 6,342,053,311
Fair Value, Inputs, Level 1, Level 2, and Level 3 | The Sherwin-Williams Company common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 4,823,725,214 5,701,234,107
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 541,366,478 518,643,717
Fair Value, Inputs, Level 1, Level 2, and Level 3 | Money market fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 129,354,517 122,175,487
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 5,494,446,209 6,342,053,311
Level 1 | The Sherwin-Williams Company common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 4,823,725,214 5,701,234,107
Level 1 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 541,366,478 518,643,717
Level 1 | Money market fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 129,354,517 122,175,487
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 0 0
Level 2 | The Sherwin-Williams Company common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
Level 2 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
Level 2 | Money market fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value 0 0
Level 3 | The Sherwin-Williams Company common stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
Level 3 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
Level 3 | Money market fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value
NAV | Collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Investments at fair value $ 4,709,882,593 $ 4,097,411,496