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Operating Segments Operating Segments Table (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items] |  |  |  |
Tower Count |  | 40,000 |  |
Fiber Miles |  | 90,000 |  |
Small Cells on Air or Under Contract |  | 115,000 |  |
Amortization of prepaid lease purchase price adjustments |  | $ 4 | $ 4 |
Site Rental |  | 1,588 | 1,624 |
Services and other |  | 53 | 149 |
Segment Revenues |  | 1,641 | 1,773 |
Segment site rental cost of operations | [1] | 430 | 415 |
Services and other | [1] | 34 | 104 |
Segment selling, general and administrative expenses |  | 183 | 195 |
Stock-based compensation expense, net |  | 38 | 41 |
Depreciation, Amortization and Accretion, Net |  | 439 | 431 |
Restructuring Charges |  | 11 | 0 |
Interest expense and amortization of deferred financing costs, net |  | 226 | 202 |
Capital expenditures |  | 320 | 341 |
Total Assets |  | 38,231 |  | $ 38,527
Restricted Cash and Cash Equivalents, Noncurrent |  | 5 |  | $ 5
Segments [Domain] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Site Rental |  | 1,588 | 1,624 |
Services and other |  | 53 | 149 |
Segment Revenues |  | 1,641 | 1,773 |
Segment site rental cost of operations |  | 421 | 406 |
Services and other |  | 32 | 101 |
Segment cost of operations | [2],[3] | 453 | 507 |
Segment site rental gross margin |  | 1,167 | 1,218 |
Segment services gross margin |  | 21 | 48 |
Segment selling, general and administrative expenses | [2] | 84 | 82 |
Segment General and Administrative Expenses [Line Items] | [2] | 68 | 80 |
Segment Operating Profit |  | 1,120 | 1,186 |
Stock-based compensation expense, net |  | 38 | 41 |
Depreciation, Amortization and Accretion, Net |  | 439 | 431 |
Restructuring Charges |  | 11 | 0 |
Interest expense and amortization of deferred financing costs, net |  | 226 | 202 |
Other expenses to reconcile to income (loss) from continuing operations before income taxes | [4] | 4 | 5 |
Income (loss) before income taxes |  | 318 | 425 |
Capital expenditures |  | 320 | 341 |
Total Assets |  | 38,231 | 39,054 |
Segment cost of operations share-based compensation [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Stock-based compensation expense, net |  | 7 | 8 |
Towers [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Site Rental |  | 1,068 | 1,081 |
Services and other |  | 46 | 146 |
Segment Revenues |  | 1,114 | 1,227 |
Segment site rental cost of operations |  | 239 | 234 |
Services and other |  | 28 | 99 |
Segment cost of operations | [2],[3] | 267 | 333 |
Segment site rental gross margin |  | 829 | 847 |
Segment services gross margin |  | 18 | 47 |
Segment selling, general and administrative expenses | [2] | 21 | 31 |
Segment Operating Profit |  | 826 | 863 |
Restructuring Charges |  | 2 |  |
Capital expenditures |  | 35 | 50 |
Total Assets |  | 21,270 | 22,185 |
Fiber [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Site Rental |  | 520 | 543 |
Services and other |  | 7 | 3 |
Segment Revenues |  | 527 | 546 |
Segment site rental cost of operations |  | 182 | 172 |
Services and other |  | 4 | 2 |
Segment cost of operations | [2],[3] | 186 | 174 |
Segment site rental gross margin |  | 338 | 371 |
Segment services gross margin |  | 3 | 1 |
Segment selling, general and administrative expenses | [2] | 47 | 49 |
Segment Operating Profit |  | 294 | 323 |
Restructuring Charges |  | 3 |  |
Capital expenditures |  | 273 | 279 |
Total Assets |  | 16,281 | 16,091 |
Corporate and Other [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Segment selling, general and administrative expenses | [2] | 84 | 82 |
Stock-based compensation expense, net |  | 38 | 41 |
Depreciation, Amortization and Accretion, Net |  | 439 | 431 |
Restructuring Charges |  | 11 | 0 |
Interest expense and amortization of deferred financing costs, net |  | 226 | 202 |
Other expenses to reconcile to income (loss) from continuing operations before income taxes | [4] | 4 | 5 |
Capital expenditures |  | 12 | 12 |
Total Assets |  | 680 | 778 |
Segment G&A share-based compensation [Member] |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Stock-based compensation expense, net |  | $ 31 | $ 33 |
[1] | Exclusive of depreciation, amortization and accretion shown separately.
[2] | Segment costs of operations excludes (1) stock-based compensation expense, net of $7 million and $8 million for the three months ended March 31, 2024 and 2023, respectively and (2) prepaid lease purchase price adjustments of $4 million for each of the three months ended March 31, 2024 and 2023. Segment selling, general and administrative expenses and other selling, general and administrative expenses exclude stock-based compensation expense, net of $31 million and $33 million for the three months ended March 31, 2024 and 2023, respectively.
[3] | Exclusive of depreciation, amortization and accretion shown separately.
[4] | See condensed consolidated statement of operations and comprehensive income (loss) for further information.

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