BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Disaggregation of Revenue (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Disaggregation of Revenue [Line Items]
Total non-lease revenue	$ 220.6	$ 204.7	$ 646.9	$ 526.2
Property lease revenue	2,450.9	2,249.6	7,359.2	6,385.5
Total revenue	2,671.5	2,454.3	8,006.1	6,911.7
U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	135.9	158.6	403.2	395.0
Property lease revenue	1,184.9	1,155.3	3,505.2	3,473.3
Total revenue	1,320.8	1,313.9	3,908.4	3,868.3
Asia-Pacific
Disaggregation of Revenue [Line Items]
Total non-lease revenue	4.1	2.6	12.0	6.8
Property lease revenue	245.1	310.9	833.7	886.3
Total revenue	249.2	313.5	845.7	893.1
Africa
Disaggregation of Revenue [Line Items]
Total non-lease revenue	6.5	6.3	20.7	17.5
Property lease revenue	296.9	251.1	836.0	723.6
Total revenue	303.4	257.4	856.7	741.1
Europe
Disaggregation of Revenue [Line Items]
Total non-lease revenue	8.3	2.1	17.5	6.0
Property lease revenue	175.7	173.7	543.8	302.2
Total revenue	184.0	175.8	561.3	308.2
Latin America
Disaggregation of Revenue [Line Items]
Total non-lease revenue	39.0	35.1	114.9	100.9
Property lease revenue	381.4	355.9	1,150.0	992.4
Total revenue	420.4	391.0	1,264.9	1,093.3
Data Centers
Disaggregation of Revenue [Line Items]
Total non-lease revenue	26.8	0.0	78.6	0.0
Property lease revenue	166.9	2.7	490.5	7.7
Total revenue	193.7	2.7	569.1	7.7
Non-lease property revenue
Disaggregation of Revenue [Line Items]
Total non-lease revenue	159.0	119.3	466.0	346.1
Non-lease property revenue | U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	74.3	73.2	222.3	214.9
Non-lease property revenue | Asia-Pacific
Disaggregation of Revenue [Line Items]
Total non-lease revenue	4.1	2.6	12.0	6.8
Non-lease property revenue | Africa
Disaggregation of Revenue [Line Items]
Total non-lease revenue	6.5	6.3	20.7	17.5
Non-lease property revenue | Europe
Disaggregation of Revenue [Line Items]
Total non-lease revenue	8.3	2.1	17.5	6.0
Non-lease property revenue | Latin America
Disaggregation of Revenue [Line Items]
Total non-lease revenue	39.0	35.1	114.9	100.9
Non-lease property revenue | Data Centers
Disaggregation of Revenue [Line Items]
Total non-lease revenue	26.8	0.0	78.6	0.0
Services revenue
Disaggregation of Revenue [Line Items]
Total non-lease revenue	61.6	85.4	180.9	180.1
Services revenue | U.S. & Canada
Disaggregation of Revenue [Line Items]
Total non-lease revenue	61.6	85.4	180.9	180.1
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