Cover Document
Cover Document | Dec. 01, 2021 |
Cover Page Document [Abstract] | |
Document Period End Date | Dec. 1, 2021 |
Entity Central Index Key | 0001402057 |
Title of 12(b) Security | Common stock, par value $0.01 per share |
Written Communications | false |
Entity Incorporation, State or Country Code | DE |
Document Type | 8-K/A |
Entity Registrant Name | CDW CORP |
Entity File Number | 001-35985 |
Entity Tax Identification Number | 26-0273989 |
Entity Address, Address Line One | 75 Tri-State International |
Entity Address, City or Town | Lincolnshire |
Entity Address, State or Province | IL |
Entity Address, Postal Zip Code | 60069 |
City Area Code | (847) |
Local Phone Number | 465-6000 |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Trading Symbol | CDW |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Amendment Flag | true |