Document and Entity Information
Document and Entity Information | Jun. 15, 2021 |
Cover [Abstract] | |
Entity Registrant Name | GARTNER INC |
Amendment Flag | false |
Entity Central Index Key | 0000749251 |
Document Type | 8-K |
Document Period End Date | Jun. 15, 2021 |
Entity Incorporation State Country Code | DE |
Entity File Number | 1-14443 |
Entity Tax Identification Number | 04-3099750 |
Entity Address, Address Line One | P.O. Box 10212 |
Entity Address, Address Line Two | 56 Top Gallant Road |
Entity Address, City or Town | Stamford |
Entity Address, State or Province | CT |
Entity Address, Postal Zip Code | 06902-7700 |
City Area Code | (203) |
Local Phone Number | 316-1111 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, $0.0005 per value per share |
Trading Symbol | IT |
Security Exchange Name | NYSE |
Entity Emerging Growth Company | false |