v3.25.2
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details)
$ in Millions, R in Billions
3 Months Ended 6 Months Ended
Mar. 06, 2025
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
segment
Jun. 30, 2024
USD ($)
Mar. 06, 2025
ZAR (R)
Mar. 06, 2025
USD ($)
Accounting Policies [Line Items]              
Number of reportable segments | segment       6      
Property straight-line revenue   $ 28.2 $ 74.1 $ 45.3 $ 153.2    
Disposal Group, Disposed of by Sale, Not Discontinued Operations | South Africa Fiber              
Accounting Policies [Line Items]              
Total consideration received upon disposal           R 2.5 $ 137.7
Gain on sale of subsidiary $ 53.6     $ 53.6      
Goodwill disposed due to sale of subsidiary $ 6.1            
U.S. | Data Centers | Common Stock              
Accounting Policies [Line Items]              
Percentage of ownership after transaction (as a percent)       71.00%      
ATC Europe              
Accounting Policies [Line Items]              
Controlling ownership interest percentage (as a percent)   52.00%   52.00%      
Joint Venture - Bangladesh Operations              
Accounting Policies [Line Items]              
Ownership percentage (as a percent)   51.00%   51.00%      
Stonepeak | U.S. | Data Centers | Common Stock              
Accounting Policies [Line Items]              
Noncontrolling owner ownership percentage (as a percent)   29.00%   29.00%      
Stonepeak | U.S. | Data Centers | Preferred stock              
Accounting Policies [Line Items]              
Noncontrolling owner ownership percentage (as a percent)   100.00%   100.00%      
Germany              
Accounting Policies [Line Items]              
Noncontrolling owner ownership percentage (as a percent)   13.00%   13.00%      
Germany | ATC Europe              
Accounting Policies [Line Items]              
Controlling ownership interest percentage (as a percent)   87.00%   87.00%      
Spain              
Accounting Policies [Line Items]              
Noncontrolling owner ownership percentage (as a percent)   17.00%   17.00%      
Spain | ATC Europe              
Accounting Policies [Line Items]              
Controlling ownership interest percentage (as a percent)   83.00%   83.00%