Equity Method Investments - Schedule of Gains (Losses) of Joint Venture Arrangements (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Related Party Transaction [Line Items]
Income	$ 2,316	$ 2,201	$ 6,797	$ 6,487
Expenses	1,842	1,776	5,371	5,262
EMEA 1 Joint Venture | Joint Venture
Related Party Transaction [Line Items]
Income	7	7	19	19
Expenses	6	4	$ 14	11
EMEA 1 Joint Venture | Joint Venture | Sublease, Equinix's London 10-2 Data Center
Related Party Transaction [Line Items]
Sublease, lease term			14 years
VIE Joint Ventures | Joint Venture
Related Party Transaction [Line Items]
Income	23	73	$ 113	172
Expenses	4	1	9	2
Interest income earned	$ 9	$ 6	$ 23	$ 11