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Operating Segments Operating Segments (Tables)
3 Months Ended
Mar. 31, 2024
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment
Three Months Ended March 31, 2024
Three Months Ended March 31, 2023
TowersFiberOther

Total
TowersFiberOther

Total
Segment site rental revenues$1,068 $520 $1,588 $1,081 $543 $1,624 
Segment services and other revenues46 53 146 149 
Segment revenues1,114 527 1,641 1,227 546 1,773 
Segment site rental costs of operations239 182 421 234 172 406 
Segment services and other costs of operations28 32 99 101 
Segment costs of operations(a)(b)
267 186 453 333 174 507 
Segment site rental gross margin829 338 1,167 847 371 1,218 
Segment services and other gross margin18 21 47 48 
Segment selling, general and administrative expenses(b)
21 47 68 31 49 80 
Segment operating profit (loss)826 294 1,120 863 323 1,186 
Other selling, general and administrative expenses(b)
$84 84 $82 82 
Stock-based compensation expense, net38 38 41 41 
Depreciation, amortization and accretion439 439 431 431 
Restructuring charges
11 11 — — 
Interest expense and amortization of deferred financing costs, net226 226 202 202 
Other (income) expenses to reconcile to income (loss) before income taxes(c)
Income (loss) before income taxes$318 $425 
Capital expenditures$35 $273 $12 $320 $50 $279 $12 $341 
Total assets (at period end)$21,270 $16,281 $680 $38,231 $22,185 $16,091 $778 $39,054 
(a)Exclusive of depreciation, amortization and accretion shown separately.
(b)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.
(c)See condensed consolidated statement of operations and comprehensive income (loss) for further information.