0000929008 2024-03-07 2024-03-07 0000929008 us-gaap:CommonStockMember 2024-03-07 2024-03-07 0000929008 us-gaap:SeriesAPreferredStockMember 2024-03-07 2024-03-07 WESCO INTERNATIONAL INC false 0000929008 8-K 2024-03-07 DE 001-14989 25-1723342 225 West Station Square Drive Suite 700 Pittsburgh PA 15219 (412) 454-2200 false false false false Common Stock, par value $0.01 per share WCC NYSE Depositary Shares, each representing a 1/1,000th interest in a share of Series A Fixed-Rate Reset Cumulative Perpetual Preferred Stock WCC PR A NYSE false