Exit or Disposal Activities - Narrative (Details)	9 Months Ended
Sep. 30, 2018 branch store
The Americas Group
Restructuring Cost and Reserve [Line Items]
Number of stores closed \| store	12
Performance Coatings Group
Restructuring Cost and Reserve [Line Items]
Number of branches closed \| branch	9

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.

No definition available.

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