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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2024

Income Tax Disclosure [Abstract]

Income (Loss) Before Income Taxes

Income (loss) before income taxes by geographic area is summarized in the table below.

			Years Ended December 31,
			2024						2023						2022
Domestic			$	(3,904)					$	1,499					$	1,661
Foreign(a)			25						29						30
Total			$	(3,879)					$	1,528					$	1,691

(a)Inclusive of income (loss) before income taxes from Puerto Rico.

Benefit (Provision) for Income Taxes

The benefit (provision) for income taxes consists of the following: 

			Years Ended December 31,
			2024						2023						2022
Current:
Federal			$	(9)					$	(7)					$	(6)
Foreign			(6)						(9)						(9)
State			(5)						(2)						2
Total current			(20)						(18)						(13)
Deferred:
Federal			1						—						—
Foreign			(5)						(8)						(3)
Total deferred			(4)						(8)						(3)
Total tax benefit (provision)			$	(24)					$	(26)					$	(16)

Effective Tax Rate

A reconciliation between the benefit (provision) for income taxes and the amount computed by applying the federal statutory income tax rate to the income (loss) before income taxes is as follows:

			Years Ended December 31,
			2024						2023						2022
Benefit (provision) for income taxes at statutory rate			$	815					$	(321)					$	(355)
Tax adjustment related to REIT operations			(822)						313						349
Valuation allowances			(1)						—						(1)
State tax (provision) benefit, net of federal			(5)						(2)						2
Foreign tax			(11)						(16)						(11)
Total			$	(24)					$	(26)					$	(16)

Components of Deferred Tax Assets and Liabilities

The components of the net deferred income tax assets and liabilities are as follows: 

			December 31,
			2024						2023
Deferred income tax liabilities:
Property and equipment			$	11					$	10
Deferred site rental receivables			7						9
Site rental contracts and tenant relationships, net			29						29
Total deferred income tax liabilities			47						48
Deferred income tax assets:
Other intangible assets, net			29						29
Net operating loss carryforwards(a)			1						5
Straight-line rent expense liability			5						5
Accrued liabilities			5						5
Other			6						5
Valuation allowances			(3)						(2)
Total deferred income tax assets, net			43						47
Net deferred income tax assets (liabilities)			$	(4)					$	(1)

(a)Balance results from the Company's foreign NOLs. Due to the Company's REIT status, no federal or state NOLs result in the Company recording a deferred income tax asset. See further discussion surrounding the Company's NOL balances below.

Jurisdictional Components of Deferred Tax Assets and Liabilities

The components of the net deferred income tax assets (liabilities) are as follows:

			December 31, 2024																		December 31, 2023
Classification			Gross						Valuation Allowance						Net						Gross						Valuation Allowance						Net
Federal			$	28					$	(2)					$	26					$	26					$	(1)					$	25
State			1						—						1						1						—						1
Foreign			(30)						(1)						(31)						(26)						(1)						(27)
Total			$	(1)					$	(3)					$	(4)					$	1					$	(2)					$	(1)

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