Equity Method Investments - Schedule of Gains (Losses) of Joint Venture Arrangements (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Related Party Transaction [Line Items]
Income	$ 2,225	$ 2,127	$ 2,225
Expenses	1,767	1,763
EMEA 1 Joint Venture | Joint Venture
Related Party Transaction [Line Items]
Income	6	6
Expenses	$ 4	4
EMEA 1 Joint Venture | Joint Venture | Sublease, Equinix's London 10-2 Data Center
Related Party Transaction [Line Items]
Sublease, lease term	15 years
VIE Joint Ventures | Joint Venture
Related Party Transaction [Line Items]
Income	$ 61	38
Expenses	2	$ 1
Interest income earned	$ 7