Document and Entity Information |
Jul. 16, 2025 |
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| Cover [Abstract] | |
| Entity Registrant Name | WESCO INTERNATIONAL INC |
| Amendment Flag | false |
| Entity Central Index Key | 0000929008 |
| Current Fiscal Year End Date | --12-31 |
| Document Type | 8-K |
| Document Period End Date | Jul. 16, 2025 |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-14989 |
| Entity Tax Identification Number | 25-1723342 |
| Entity Address, Address Line One | 225 West Station Square Drive |
| Entity Address, Address Line Two | Suite 700 |
| Entity Address, Postal Zip Code | 15219 |
| Entity Address, City or Town | Pittsburgh |
| Entity Address, State or Province | PA |
| City Area Code | (412) |
| Local Phone Number | 454-2200 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Security 12b Title | Common Stock, par value $.01 per share |
| Trading Symbol | WCC |
| Security Exchange Name | NYSE |
| Entity Emerging Growth Company | false |
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- Definition End date of current fiscal year in the format --MM-DD. No definition available.
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- Definition For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD. No definition available.
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- Definition The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'. No definition available.
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- Definition Two-character EDGAR code representing the state or country of incorporation. No definition available.
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- Definition 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
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- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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