Earnings Per Share - Computation of Basic and Diluted Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Earnings Per Share [Abstract]
Net income	$ 258,730	$ 147,693
Net (income) loss attributable to non-controlling interests	56	(240)
Net income attributable to Equinix	$ 258,786	$ 147,453
Weighted-average shares used to calculate basic EPS (in shares)	92,971	90,771
Effect of dilutive securities:
Employee equity awards (in shares)	369	391
Weighted-average shares used to calculate diluted EPS (in shares)	93,340	91,162
Basic EPS (in dollars per share)	$ 2.78	$ 1.62
Diluted EPS (in dollars per share)	$ 2.77	$ 1.62