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v3.23.1

Segment Data (Narrative) (Details) $ in Billions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) segment item | Dec. 31, 2022 USD ($)
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Number of business segments | segment | 2 |
Number of reportable segments | segment | 2 |
Number of measures utilized of segment profit to assess performance and allocate resources | item | 2 |
Domestic Site Leasing [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 5.8 | $ 5.9
International Site Leasing [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | 3.5 | 3.5
Brazil [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Long-lived assets | $ 2.1 | $ 2.0
Foreign Countries, Other than Brazil [Member] | Long-Lived Assets [Member] | Maximum [Member] | Geographic Concentration Risk [Member] |  |
Revenues from External Customers and Long-Lived Assets [Line Items] |  |
Concentration risk percentage | 5.00% | 5.00%

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