Related Party Transactions - Schedule of Gains (Losses) of Joint Venture Arrangements (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Related Party Transaction [Line Items]
Revenues	$ 9,217	$ 8,748	$ 8,188
Costs and services	$ 7,369	7,420	6,745
EMEA 1 Joint Venture \| Sublease, Equinix's London 10-2 Data Center
Related Party Transaction [Line Items]
Sublease, lease term	14 years
EMEA 1 Joint Venture \| Joint Venture
Related Party Transaction [Line Items]
Revenues	$ 31	27	29
Costs and services	17	16	18
VIE Joint Ventures \| Joint Venture
Related Party Transaction [Line Items]
Revenues	151	257	107
Costs and services	13	4	$ 0
Interest income, other	$ 32	$ 17

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details