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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)
 3 Months Ended
Mar. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in the Carrying Value of Goodwill
The changes in the carrying value of goodwill for each of the Company’s business segments were as follows:
 PropertyServicesTotal
 U.S. & CanadaAsia-PacificAfricaEuropeLatin AmericaData Centers
Balance as of January 1, 2024$4,638.6 $562.7 $497.7 $3,051.9 $966.1 $2,920.0 $2.0 $12,639.0 
Effect of foreign currency translation(1.1)(1.3)1.6 (68.8)(12.6)— — (82.2)
Balance as of March 31, 2024$4,637.5 $561.4 $499.3 $2,983.1 $953.5 $2,920.0 $2.0 $12,556.8 
Schedule of Other Intangible Assets Subject to Amortization
The Company’s other intangible assets subject to amortization consisted of the following:
  As of March 31, 2024As of December 31, 2023
 Estimated Useful
Lives (years) (1)		Gross
Carrying
Value		Accumulated
Amortization		Net Book
Value		Gross
Carrying
Value		Accumulated
Amortization		Net Book
Value
Acquired network location intangibles (2)
Up to 30
$5,930.6 $(2,795.5)$3,135.1 $5,981.5 $(2,775.8)$3,205.7 
Acquired tenant-related intangibles
Up to 30
18,728.8 (6,815.0)11,913.8 18,894.5 (6,698.6)12,195.9 
Acquired licenses and other intangibles
2-30
1,535.5 (465.1)1,070.4 1,561.1 (442.0)1,119.1 
Total other intangible assets$26,194.9 $(10,075.6)$16,119.3 $26,437.1 $(9,916.4)$16,520.7 
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(1)As of March 31, 2024, reflects the change in estimated useful lives as described in note 1.
(2)Beginning January 1, 2024, acquired network location intangibles are amortized over the remaining estimated useful life of the tower, taking into account residual value, generally up to 30 years, as the Company considers these intangibles to be directly related to the tower assets. Prior to January 1, 2024, acquired network location intangibles were amortized over the shorter of the term of the corresponding ground lease, taking into consideration lease renewal options and residual value, or the estimated useful life of the tower, generally up to 20 years.
Schedule of Expected Future Amortization Expenses Based on current exchange rates, the Company expects to record amortization expense as follows over the remaining current year and the five subsequent years:
Fiscal YearAmount (1)
Remainder of 2024$707.8 
2025921.9 
2026881.5 
2027869.5 
2028858.0 
2029839.0 
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(1)As of March 31, 2024, reflects the change in estimated useful lives as described in note 1.