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Equity Method Investments (Details)
€ in Millions, £ in Millions
Dec. 15, 2020
USD ($)
Oct. 08, 2019
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2020
EUR (€)
Dec. 31, 2020
GBP (£)
Dec. 31, 2020
JPY (¥)
Dec. 17, 2020
Schedule of Equity Method Investments [Line Items]              
Ownership percentage   20.00% 20.00% 20.00% 20.00% 20.00%  
EMEA Joint Venture | Equity contribution commitment | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Other commitment     $ 25,800,000 € 13.8 £ 6.6    
EMEA Joint Venture | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Contribution to affiliate     10,600,000        
Equity contributions to joint venture     48,000,000.0        
EMEA Joint Venture | Disposed of by sale | London 10 And Paris 8 Data Centers | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Proceeds from sale of data centers   $ 351,800,000          
Interest in Joint Venture   $ 41,900,000          
EMEA Joint Venture | Disposed of by sale | London 10 And Paris 8 Data Centers | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Ownership interest   20.00%          
EMEA Joint Venture | Disposed of by sale | Paris 9 Data Center | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Proceeds from sale of data centers $ 124,600,000            
Asia-Pacific Joint Venture | Variable Interest Entity, Not Primary Beneficiary              
Schedule of Equity Method Investments [Line Items]              
Ownership percentage             20.00%
Initial fair value of equity method investment     42,800,000     ¥ 4,400,000,000  
Receivables from Asia-Pacific Joint Venture     16,900,000     1,700,000,000  
Maximum exposure to loss     121,100,000     12,400,000,000  
Asia-Pacific Joint Venture | Joint Venture Credit Facility Agreement | Variable Interest Entity, Not Primary Beneficiary              
Schedule of Equity Method Investments [Line Items]              
Secured Debt     305,200,000        
Asia-Pacific Joint Venture | Bonds | Joint Venture Credit Facility Agreement | Variable Interest Entity, Not Primary Beneficiary              
Schedule of Equity Method Investments [Line Items]              
Secured Debt | ¥           10,000,000,000.0  
Asia-Pacific Joint Venture | Secured Debt | Joint Venture Credit Facility Agreement | Variable Interest Entity, Not Primary Beneficiary              
Schedule of Equity Method Investments [Line Items]              
Secured Debt | ¥           21,500,000,000  
Asia-Pacific Joint Venture | Equity contribution commitment | Equinix, Inc.              
Schedule of Equity Method Investments [Line Items]              
Other commitment     $ 60,700,000     ¥ 6,300,000,000