2.2.0.7 false Organization 0201 - Disclosure - Organization true false false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Organization [Abstract] 0 us-gaap_GeneralPoliciesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 3 ORGANIZATION 1 us-gaap_NatureOfOperations us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0   <div align="left" style="font-family: 'Times New Roman',Times,serif">   <div align="center" style="font-size: 10pt; margin-top: 0pt"><b></b> </div> <div align="left"> </div> <div align="center" style="font-size: 10pt"><b></b></div> <div align="center" style="font-size: 10pt"></div> <div align="left" style="font-size: 10pt; margin-top: 12pt"><b>1. ORGANIZATION</b> </div> <div align="left" style="font-size: 10pt; margin-top: 6pt">     WESCO International, Inc. and its subsidiaries (collectively, “WESCO”), headquartered in Pittsburgh, Pennsylvania, is a full-line distributor of electrical construction products and electrical and industrial maintenance, repair and operating (“MRO”) supplies and is a provider of supply chain services used primarily in the industrial, construction, utility and commercial, institutional and government markets. We serve over 100,000 customers globally, through approximately 380 full service branches and seven distribution centers located primarily in the United States, Canada, and Mexico, with additional locations in the United Kingdom, Singapore, China, Australia, Africa and the United Arab Emirates. </div> </div>  <!-- Begin Block Tagged Note false false false us-types:textBlockItemType textblock Describes the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). Disclosures about the nature of operations need not be quantified; relative importance could be conveyed by use of terms such as "predominately", "about equally", or "major and other". This element is also referred to as "Business Description". Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 10 false 1 2 false UnKnown UnKnown UnKnown false true