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Operating Segments | 9 Months Ended
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Sep. 30, 2025
Segment Reporting [Abstract] |
Operating Segments | Operating Segment Reportable Segment The Fiber Business is predominately comprised of the assets that the Company previously reported under the historic Fiber segment. Following the classification of the Fiber Business as discontinued operations, the Company has one reportable segment that constitutes consolidated results consisting of its towers operations. Following the execution of the Strategic Fiber Agreement, the Fiber Business is treated as discontinued operations for all periods presented because the anticipated disposal represents a strategic shift that will have a material impact on the Company's operating results. As such, the Company recast results for all periods presented under the discontinued operations basis of presentation. The determination that the Company operates as a single segment is consistent with the nature of its operations and the financial information regularly reviewed by the Company's President and Chief Executive Officer in such person's capacity as the chief operating decision maker ("CODM"). The Company provides access, including space or capacity, to the Company's approximately 40,000 towers geographically dispersed throughout the U.S. The Company also offers site development services as an ancillary offering relating to its towers. The measurement of profit or loss primarily used by the CODM in making operating decisions, assessing financial performance, and allocating resources is net income (loss). The following table sets forth the Company's results, including significant expenses not presented in the condensed consolidated statement of operations comprehensive income (loss), for the three and nine months ended September 30, 2025 and 2024. Since the Company operates as one reportable segment that constitutes consolidated continuing results of operations, there are no reconciling items between segment and consolidated assets or capital expenditures from continuing operations.
| Three Months Ended September 30, |  | Nine Months Ended September 30, |
| 2025 |  | 2024 |  | 2025 |  | 2024 |
Net revenues | $ | 1,072 |  |  | $ | 1,120 |  |  | $ | 3,193 |  |  | $ | 3,341 |  |
Less: |  |  |  |  |  |  |  |
Lease expense | 186 |  |  | 188 |  |  | 557 |  |  | 560 |  |
Employee compensation expense | 89 |  | (a) | 81 |  | (a) | 269 |  | (b) | 275 |  | (b)
Other costs of operations expense(c)(d) | 67 |  |  | 62 |  |  | 189 |  |  | 186 |  |
Other selling, general and administrative expenses(e) | 35 |  |  | 36 |  |  | 99 |  |  | 143 |  |
Asset write-down charges | 3 |  |  | 2 |  |  | 7 |  |  | 10 |  |
Depreciation, amortization and accretion | 167 |  |  | 181 |  |  | 520 |  |  | 552 |  |
Restructuring charges | — |  |  | 38 |  |  | — |  |  | 67 |  |
Total operating expenses | 547 |  |  | 588 |  |  | 1,641 |  |  | 1,793 |  |
Operating income | 525 |  |  | 532 |  |  | 1,552 |  |  | 1,548 |  |
Interest expense and amortization of deferred financing costs, net | (247) |  |  | (236) |  |  | (726) |  |  | (692) |  |
Interest income | 3 |  |  | 6 |  |  | 10 |  |  | 14 |  |
Other income (expense) | — |  |  | (5) |  |  | 3 |  |  | (3) |  |
Income (loss) from continuing operations before income taxes | 281 |  |  | 297 |  |  | 839 |  |  | 867 |  |
Benefit (provision) for income taxes | (4) |  |  | (3) |  |  | (13) |  |  | (14) |  |
Income (loss) from continuing operations | 277 |  |  | 294 |  |  | 826 |  |  | 853 |  |
Discontinued operations (note 3): |  |  |  |  |  |  |  |
Income (loss) from discontinued operations before gain (loss) from disposal, net of tax | 277 |  |  | 9 |  |  | 637 |  |  | 12 |  |
Gain (loss) from disposal of discontinued operations | (231) |  |  | — |  |  | (1,313) |  |  | — |  |
Income (loss) from discontinued operations, net of tax | 46 |  |  | 9 |  |  | (676) |  |  | 12 |  |
Net income (loss) | $ | 323 |  |  | $ | 303 |  |  | $ | 150 |  |  | $ | 865 |  |
(a)$27 million and $24 million are included in "Costs of operations" for the three months ended September 30, 2025 and 2024, respectively, and $62 million and $57 million are included in "Selling, general and administrative" for the three months ended September 30, 2025 and 2024, respectively, on the Company's condensed consolidated statement of operations and comprehensive income (loss). (b)$79 million and $76 million are included in "Costs of operations" for each of the nine months ended September 30, 2025 and 2024, respectively, and $190 million and $200 million are included in "Selling, general and administrative" for the nine months ended September 30, 2025 and 2024, respectively, on the Company's condensed consolidated statement of operations and comprehensive income (loss). (c)Exclusive of depreciation, amortization and accretion, shown separately. (d)Other costs of operations primarily consists of (1) property taxes, (2) repair and maintenance expense, (3) third-party costs related to ancillary services performed and (4) various other insignificant expenses. (e)Other selling, general and administrative expenses primarily include (1) corporate facilities expense, (2) legal expenses and consulting fees, (3) subscriptions and software costs and (4) other general corporate costs.

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- Definition The entire disclosure for reporting segments including data and tables. 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