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Operating Segments and Concentrations of Credit Risk Operating Segment Results (Details) $ in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Tower Count |  | 40,000 |  |  |  |  |
Small cells on Air on Under Contract |  | 115,000 |  |  |  |  |
Fiber Miles |  | 90,000 |  |  |  |  |
Site rental revenues |  | $ 6,532 |  | $ 6,289 |  | $ 5,719 |
Services and other revenues |  | 449 |  | 697 |  | 621 |
Net Revenues |  | 6,981 |  | 6,986 |  | 6,340 |
Site rental | [1] | 1,664 |  | 1,602 |  | 1,554 |
Segment Site Rental Cost of Operations |  | 1,629 |  | 1,568 |  | 1,522 |
Segment services and other cost of operations | [1] | 316 |  | 466 |  | 439 |
Segment Services and Other Cost of Operations |  | 306 |  | 456 |  | 431 |
Segment cost of operations |  | 1,935 | [2],[3] | 2,024 | [4],[5] | 1,953 | [6],[7]
Segment site rental gross margin |  | 4,903 |  | 4,721 |  | 4,197 |
Segment services and other gross margin |  | 143 |  | 241 |  | 190 |
Selling, general and administrative |  | 759 |  | 750 |  | 680 |
Segment General and Administrative Expenses |  | 298 | [2] | 305 | [4] | 281 | [6]
Segment Operating Profit |  | 4,748 |  | 4,657 |  | 4,106 |
Stock-based compensation expense, net |  | 157 |  | 156 |  | 129 |
Depreciation, amortization and accretion |  | 1,754 |  | 1,707 |  | 1,644 |
Restructuring Charges |  | 85 |  | 0 |  | 0 |
Interest expense and amortization of deferred financing costs, net |  | 850 |  | 699 |  | 657 |
Income (Loss) Attributable to Parent, before Tax, Total |  | 1,528 |  | 1,691 |  | 1,179 |
Payments to Acquire Productive Assets |  | (1,424) |  | (1,310) |  | (1,229) |
Assets |  | 38,527 |  | 38,921 |  | 39,040 |
Goodwill |  | 10,085 |  | 10,085 |  | 10,078 |
Amortization of prepaid lease purchase price adjustments |  | 16 |  | 16 |  | 18 |
Share-based Payment Arrangement, Expense |  | 157 |  | 156 |  | 131 |
Segments [Domain] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Restructuring Charges |  | 85 |  |  |  |  |
Towers [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Site rental revenues |  | 4,313 |  | 4,322 |  | 3,804 |
Services and other revenues |  | 421 |  | 685 |  | 601 |
Net Revenues |  | 4,734 |  | 5,007 |  | 4,405 |
Site rental |  | 943 |  | 918 |  | 889 |
Segment services and other cost of operations |  | 294 |  | 447 |  | 414 |
Segment cost of operations |  | 1,237 | [2],[3] | 1,365 | [4],[5] | 1,303 | [6],[7]
Segment site rental gross margin |  | 3,370 |  | 3,404 |  | 2,915 |
Segment services and other gross margin |  | 127 |  | 238 |  | 187 |
Selling, general and administrative |  | 104 | [2] | 115 | [4] | 107 | [6]
Segment Operating Profit |  | 3,393 |  | 3,527 |  | 2,995 |
Restructuring Charges |  | 44 |  |  |  |  |
Payments to Acquire Productive Assets |  | (194) |  | (185) |  | (221) |
Assets |  | 21,550 |  | 22,210 |  | 22,318 |
Goodwill |  | 5,127 |  | 5,127 |  | 5,127 |
Fiber [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Site rental revenues |  | 2,219 |  | 1,967 |  | 1,915 |
Services and other revenues |  | 28 |  | 12 |  | 20 |
Net Revenues |  | 2,247 |  | 1,979 |  | 1,935 |
Site rental |  | 686 |  | 650 |  | 633 |
Segment services and other cost of operations |  | 12 |  | 9 |  | 17 |
Segment cost of operations |  | 698 | [2],[3] | 659 | [4],[5] | 650 | [6],[7]
Segment site rental gross margin |  | 1,533 |  | 1,317 |  | 1,282 |
Segment services and other gross margin |  | 16 |  | 3 |  | 3 |
Selling, general and administrative |  | 194 | [2] | 190 | [4] | 174 | [6]
Segment Operating Profit |  | 1,355 |  | 1,130 |  | 1,111 |
Restructuring Charges |  | 18 |  |  |  |  |
Payments to Acquire Productive Assets |  | (1,175) |  | (1,058) |  | (956) |
Assets |  | 16,308 |  | 16,010 |  | 15,876 |
Goodwill |  | 4,958 |  | 4,958 |  | 4,951 |
Corporate and Other [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Selling, general and administrative |  | 333 | [2] | 317 | [4] | 290 | [6]
Stock-based compensation expense, net |  | 157 |  | 156 |  | 131 |
Depreciation, amortization and accretion |  | 1,754 |  | 1,707 |  | 1,644 |
Restructuring Charges |  | 85 |  |  |  |  |
Interest expense and amortization of deferred financing costs, net |  | 850 |  | 699 |  | 657 |
Other Expenses |  | 41 | [8] | 87 | [9] | 205 | [8]
Payments to Acquire Productive Assets |  | (55) |  | (67) |  | (52) |
Assets |  | 669 |  | 701 |  | 846 |
Goodwill |  | 0 |  | 0 |  | 0 |
Segment cost of operations share-based compensation [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense, net |  | 29 |  | 28 |  | 22 |
Segment G&A share-based compensation [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Stock-based compensation expense, net |  | 128 |  |  |  |  |
Selling, General and Administrative Expenses [Member] |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |
Share-based Payment Arrangement, Expense |  | $ 128 |  | $ 128 |  | $ 109 |
[1] | Exclusive of depreciation, amortization and accretion shown separately.
[2] | Segment costs of operations for the year ended December 31, 2023 excludes (1) stock-based compensation expense, net of $29 million and (2) prepaid lease purchase price adjustments of $16 million. For the year ended December 31, 2023, segment selling, general and administrative expenses and other selling, general and administrative expenses exclude stock-based compensation expense, net of $128 million.
[3] | Exclusive of depreciation, amortization and accretion shown separately.
[4] | Segment costs of operations for the year ended December 31, 2022 excludes (1) stock-based compensation expense, net of $28 million and (2) prepaid lease purchase price adjustments of $16 million. For the year ended December 31, 2022, segment selling, general and administrative expenses and other selling, general and administrative expenses exclude stock-based compensation expense, net of $128 million.
[5] | Exclusive of depreciation, amortization and accretion shown separately.
[6] | Segment costs of operations for the year ended December 31, 2021 excludes (1) stock-based compensation expense, net of $22 million and (2) prepaid lease purchase price adjustments of $18 million. For the year ended December 31, 2021, segment selling, general and administrative expenses and other selling, general and administrative expenses exclude stock-based compensation expense, net of $109 million. (c)See consolidated statement of operations and comprehensive income (loss) for further information.
[7] | Exclusive of depreciation, amortization and accretion shown separately.
[8] | See consolidated statement of operations and comprehensive income (loss) for further information.
[9] | See consolidated statement of operations and comprehensive income (loss) for further information

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