Stockholders' Equity - Components of Accumulated Other Comprehensive Loss (Detail) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2023 USD ($) plan country	Mar. 31, 2023 USD ($)	Jun. 30, 2022 USD ($)	Mar. 31, 2022 USD ($)	Jun. 30, 2023 USD ($) plan country	Jun. 30, 2022 USD ($)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 12,028,859	$ 11,505,832	$ 10,942,810	$ 10,881,764	$ 11,505,832	$ 10,881,764
Net Change	(3,171)	104,258	(365,877)	32,840	101,087	(333,037)
Ending balance	$ 12,024,000	12,028,859	10,629,594	10,942,810	$ 12,024,000	10,629,594
Number of defined benefit pension plans | plan	2				2
Number of countries with a defined benefit pension plan | country	2				2
Accumulated other comprehensive loss attributable to Equinix
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ (1,285,188)	(1,389,446)	(1,052,914)	(1,085,751)	$ (1,389,446)	(1,085,751)
Net Change	(3,268)	104,258	(365,842)	32,837	100,990
Ending balance	(1,288,456)	(1,285,188)	$ (1,418,756)	$ (1,052,914)	(1,288,456)	$ (1,418,756)
Foreign currency translation adjustment (“CTA”) loss
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		(1,838,237)			(1,838,237)
Net Change					183,040
Ending balance	(1,655,197)				(1,655,197)
Unrealized gain (loss) on cash flow hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		33,953			33,953
Net Change					(17,673)
Ending balance	16,280				16,280
Net investment hedge CTA gain (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		415,749			415,749
Net Change					(64,146)
Ending balance	351,603				351,603
Net actuarial loss on defined benefit plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance		$ (911)			(911)
Net Change					(231)
Ending balance	$ (1,142)				$ (1,142)