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EARNINGS PER COMMON SHARE | 9 Months Ended
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Sep. 30, 2025
Earnings Per Share [Abstract] |
EARNINGS PER COMMON SHARE | EARNINGS PER COMMON SHARE The following table sets forth basic and diluted net income per common share computational data (shares in thousands, except per share data):
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Net income from continuing operations attributable to American Tower common stockholders |  | $ | 853.3 |  |  | $ | 416.2 |  |  | $ | 1,708.8 |  |  | $ | 2,003.7 |
Net loss from discontinued operations attributable to American Tower common stockholders |  | — |  |  | (1,208.5) |  |  | — |  |  | (978.3) |
Net income (loss) attributable to American Tower Corporation common stockholders |  | $ | 853.3 |  |  | $ | (792.3) |  |  | $ | 1,708.8 |  |  | $ | 1,025.4 |
Basic weighted average common shares outstanding |  | 468,287 |  |  | 467,196 |  |  | 468,036 |  |  | 466,919 |
Dilutive securities |  | 752 |  |  | 1,065 |  |  | 820 |  |  | 1,082 |
Diluted weighted average common shares outstanding |  | 469,039 |  |  | 468,261 |  |  | 468,856 |  |  | 468,001 |
Basic net income from continuing operations attributable to American Tower Corporation common stockholders |  | $ | 1.82 |  |  | $ | 0.89 |  |  | $ | 3.65 |  |  | $ | 4.29 |
Basic net loss from discontinued operations attributable to American Tower Corporation common stockholders |  | — |  |  | (2.59) |  |  | — |  |  | (2.10) |
Basic net income (loss) attributable to American Tower Corporation common stockholders per common share |  | $ | 1.82 |  |  | $ | (1.70) |  |  | $ | 3.65 |  |  | $ | 2.20 |
Diluted net income from continuing operations attributable to American Tower Corporation common stockholders |  | $ | 1.82 |  |  | $ | 0.89 |  |  | $ | 3.64 |  |  | $ | 4.28 |
Diluted net loss from discontinued operations attributable to American Tower Corporation common stockholders |  | — |  |  | (2.58) |  |  | — |  |  | (2.09) |
Diluted net income (loss) attributable to American Tower Corporation common stockholders |  | $ | 1.82 |  |  | $ | (1.69) |  |  | $ | 3.64 |  |  | $ | 2.19 |
Shares Excluded From Dilutive Effect—The following shares were not included in the computation of diluted earnings per share because the effect would be anti-dilutive (in thousands, on a weighted average basis)
|  | Three Months Ended September 30, |  | Nine Months Ended September 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Restricted stock units |  | — |  |  | 2 |  |  | 1 |  |  | — |

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