| Cover Page | Sep. 01, 2021 |
| Document Information [Line Items] | |
| Entity Registrant Name | EQUINIX, INC. |
| Document Type | 8-K |
| Amendment Flag | false |
| Entity Central Index Key | 0001101239 |
| Document Period End Date | Sep. 1, 2021 |
| Entity Emerging Growth Company | false |
| Entity File Number | 000-31293 |
| Entity Incorporation, State or Country Code | DE |
| Entity Tax Identification Number | 77-0487526 |
| Entity Address, Address Line One | One Lagoon Drive |
| Entity Address, City or Town | Redwood City |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94065 |
| City Area Code | 650 |
| Local Phone Number | 598-6000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Common Stock, par value $0.001 per share | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common stock,par value $0.001 per share |
| Trading Symbol | EQIX |
| Security Exchange Name | NASDAQ |
| 0.250% Senior Notes due 2027 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 0.250% Senior Notes due 2027 |
| No Trading Symbol Flag | true |
| Security Exchange Name | NASDAQ |
| 1.000% Senior Notes due 2033 | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 1.000% Senior Notes due 2033 |
| No Trading Symbol Flag | true |
| Security Exchange Name | NASDAQ |
