BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Total non-lease revenue	$ 198.6	$ 196.2	$ 373.8	$ 401.9
Property lease revenue	2,701.7	2,575.5	5,360.6	5,137.0
Total revenue	2,900.3	2,771.7	5,734.4	5,538.9
U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	124.6	127.0	227.7	250.7
Property lease revenue	1,238.2	1,219.3	2,476.0	2,435.9
Total revenue	1,362.8	1,346.3	2,703.7	2,686.6
Asia-Pacific
Disaggregation of Revenue [Line Items]
Total non-lease revenue	2.2	2.4	4.4	4.7
Property lease revenue	358.7	259.3	683.1	508.1
Total revenue	360.9	261.7	687.5	512.8
Africa
Disaggregation of Revenue [Line Items]
Total non-lease revenue	6.2	5.9	12.3	12.6
Property lease revenue	287.7	315.3	573.6	625.6
Total revenue	293.9	321.2	585.9	638.2
Europe
Disaggregation of Revenue [Line Items]
Total non-lease revenue	5.2	4.1	8.7	7.5
Property lease revenue	198.0	194.1	399.0	382.4
Total revenue	203.2	198.2	407.7	389.9
Latin America
Disaggregation of Revenue [Line Items]
Total non-lease revenue	27.6	28.5	56.3	69.8
Property lease revenue	421.1	410.9	837.9	833.7
Total revenue	448.7	439.4	894.2	903.5
Data Centers
Disaggregation of Revenue [Line Items]
Total non-lease revenue	32.8	28.3	64.4	56.6
Property lease revenue	198.0	176.6	391.0	351.3
Total revenue	230.8	204.9	455.4	407.9
Non-lease property revenue
Disaggregation of Revenue [Line Items]
Total non-lease revenue	151.2	153.1	296.2	306.1
Non-lease property revenue \| U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	77.2	83.9	150.1	154.9
Non-lease property revenue \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total non-lease revenue	2.2	2.4	4.4	4.7
Non-lease property revenue \| Africa
Disaggregation of Revenue [Line Items]
Total non-lease revenue	6.2	5.9	12.3	12.6
Non-lease property revenue \| Europe
Disaggregation of Revenue [Line Items]
Total non-lease revenue	5.2	4.1	8.7	7.5
Non-lease property revenue \| Latin America
Disaggregation of Revenue [Line Items]
Total non-lease revenue	27.6	28.5	56.3	69.8
Non-lease property revenue \| Data Centers
Disaggregation of Revenue [Line Items]
Total non-lease revenue	32.8	28.3	64.4	56.6
Services revenue
Disaggregation of Revenue [Line Items]
Total non-lease revenue	47.4	43.1	77.6	95.8
Services revenue \| U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	47.4	43.1	77.6	95.8
Services revenue \| Asia-Pacific
Disaggregation of Revenue [Line Items]
Total non-lease revenue	0.0	0.0	0.0	0.0
Services revenue \| Africa
Disaggregation of Revenue [Line Items]
Total non-lease revenue	0.0	0.0	0.0	0.0
Services revenue \| Europe
Disaggregation of Revenue [Line Items]
Total non-lease revenue	0.0	0.0	0.0	0.0
Services revenue \| Latin America
Disaggregation of Revenue [Line Items]
Total non-lease revenue	0.0	0.0	0.0	0.0
Services revenue \| Data Centers
Disaggregation of Revenue [Line Items]
Total non-lease revenue	$ 0.0	$ 0.0	$ 0.0	$ 0.0