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v3.19.3.a.u2

Other Expense (Income) - Narrative (Details) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2019 USD ($) contract option_plan | Dec. 31, 2018 contract option_plan | Dec. 31, 2017 contract option_plan
Tax Credit Carryforward [Line Items] |  |  |
Number of foreign currency option outstanding | option_plan | 0 | 0 | 0
Number of foreign forward contracts outstanding | contract | 0 | 0 | 0
Indirect tax credits | $ 38.7 |  |
Brazil |  |  |
Tax Credit Carryforward [Line Items] |  |  |
Indirect tax credits | $ 33.5 |  |

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- Definition Number of foreign currency option outstanding. + References No definition available. + Details
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Period Type: | instant

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- Definition Number of foreign forward contracts outstanding. + References No definition available. + Details
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Namespace Prefix: | shw_
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- Definition Tax Credit (Expense), Indirect + References No definition available. + Details
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Balance Type: | credit
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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 No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |