| Dec 31, 2010 | Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Property | - | - | - | - | - | - | - | - | - | 7,465 | 7,954 | 9,110 | 10,470 | 11,001 | 9,934 |
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| Services | - | - | - | - | - | - | - | - | - | - | - | 247 | 241 | 143 | 194 |
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| Revenues | 1,985 | 2,444 | 2,876 | 3,361 | 4,100 | 4,772 | 5,786 | 6,664 | 7,440 | 7,580 | 8,042 | 9,357 | 10,711 | 11,144 | 10,127 |
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| Property | 448 | 590 | 687 | 829 | 1,056 | 1,275 | 1,763 | 2,022 | 2,129 | 2,174 | 2,190 | 2,585 | 3,156 | 3,201 | 2,482 |
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| Services | - | - | - | - | - | - | - | - | 49 | - | - | 97 | 107 | 60 | 93 |
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| Services | - | - | - | - | - | - | - | - | - | 43 | - | - | - | - | - |
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| Depreciation, amortization and accretion | 461 | 556 | 644 | 800 | 1,004 | 1,285 | 1,526 | 1,716 | 2,111 | 1,778 | 1,882 | 2,333 | 3,355 | 3,087 | 2,029 |
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| Selling, General and Administrative Expense | 230 | 289 | 327 | 416 | 447 | 498 | 543 | 637 | 733 | 730 | 779 | 812 | 972 | 993 | 933 |
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| Other operating expense | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -74 |
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| Goodwill impairment | - | - | - | - | - | - | - | - | - | - | - | - | - | 402 | - |
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| Total operating expenses | 1,201 | 1,523 | 1,756 | 2,147 | 2,613 | 3,159 | 3,933 | 4,666 | 5,535 | 4,892 | 5,154 | 6,225 | 8,359 | 8,119 | 5,611 |
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| OPERATING INCOME | 784 | 920 | 1,120 | 1,214 | 1,487 | 1,613 | 1,853 | 1,998 | 1,905 | 2,688 | 2,888 | 3,132 | 2,352 | 3,025 | 4,517 |
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| Interest income | - | - | - | - | 14 | - | - | - | - | 47 | 40 | 40 | 72 | 143 | 135 |
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| Interest expense | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 1,405 |
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| Gain (Loss) on Extinguishment of Debt | -2 | - | -0 | -39 | -3 | -80 | 1 | -70 | -3 | -22 | -72 | -38 | -0 | -0 | - |
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| Other Nonoperating Income (Expense) | 0 | -123 | -38 | -207 | -62 | -135 | -48 | 31 | 24 | 18 | -241 | 566 | 434 | -248 | 378 |
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| Total other expense | -228 | -413 | -418 | -673 | -621 | -783 | -727 | -742 | -750 | -772 | -1,066 | -303 | -632 | -1,504 | -892 |
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| INCOME FROM CONTINUING OPERATIONS BEFORE INCOME TAXES | - | - | - | - | - | - | - | - | - | - | - | 2,829 | 1,721 | 1,521 | 3,625 |
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| Income tax provision | 182 | 125 | 107 | 60 | 63 | 158 | 156 | 31 | -110 | -0 | 130 | 262 | 24 | 154 | 366 |
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| NET INCOME FROM CONTINUING OPERATIONS | 374 | 382 | 594 | - | - | - | - | - | - | - | - | - | - | - | 3,259 |
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| LOSS FROM DISCONTINUED OPERATIONS, NET OF TAXES | 0 | - | - | - | - | - | - | - | - | - | - | - | - | - | -978 |
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| NET INCOME | 374 | 382 | 594 | 482 | 803 | 672 | 970 | 1,225 | 1,265 | 1,917 | 1,692 | 2,568 | 1,697 | 1,367 | 2,280 |
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| Net (income) loss attributable to noncontrolling interests | 1 | -15 | -43 | -69 | -22 | -13 | 14 | -13 | 28 | 29 | 1 | -0 | -69 | -116 | 25 |
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| NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS, Basic | - | - | - | - | 801 | 595 | 849 | 1,152 | 1,227 | 1,888 | 1,691 | 2,568 | 1,766 | 1,483 | 2,255 |
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| NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS, Diluted | - | - | - | - | - | - | - | - | - | - | - | - | - | 1,483 | 2,255 |
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| Net Income (Loss) from Continuing Operations Available to Common Shareholders, Basic | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3,233 |
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| Net Income (Loss) from Continuing Operations Available to Common Shareholders, Diluted | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 3,233 |
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| Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Basic | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -978 |
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| Net Income (Loss) from Discontinued Operations Available to Common Shareholders, Diluted | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -978 |
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| Income (Loss) from Continuing Operations, Per Basic Share | 0.93 | 1 | 1.61 | - | - | - | - | - | - | - | - | - | - | - | 6.92 |
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| Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -2.09 |
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| Basic net income attributable to American Tower Corporation common stockholders (in dollars per share) | 0.93 | 1 | 1.61 | 1.4 | 2.02 | 1.42 | 2 | 2.69 | 2.79 | 4.27 | 3.81 | 5.69 | 3.83 | 3.18 | 4.83 |
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| Income (Loss) from Continuing Operations, Per Diluted Share | 0.92 | 0.99 | 1.6 | - | - | - | - | - | - | - | - | - | - | - | 6.91 |
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| Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share | - | - | - | - | - | - | - | - | - | - | - | - | - | - | -2.09 |
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| Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share) | 0.92 | 0.99 | 1.6 | 1.38 | 2 | 1.41 | 1.98 | 2.67 | 2.77 | 4.24 | 3.79 | 5.66 | 3.82 | 3.18 | 4.82 |
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