v3.25.2
EARNINGS PER COMMON SHARE - Basic and Diluted Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Earnings Per Share [Abstract]        
Net income from continuing operations attributable to American Tower common stockholders, basic $ 366.8 $ 761.8 $ 855.5 $ 1,587.5
Net income from continuing operations attributable to American Tower common stockholders, diluted 366.8 761.8 855.5 1,587.5
Net income from discontinued operations attributable to American Tower common stockholders, basic 0.0 138.5 0.0 230.2
Net income from discontinued operations attributable to American Tower common stockholders, diluted 0.0 138.5 0.0 230.2
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS, BASIC 366.8 900.3 855.5 1,817.7
NET INCOME ATTRIBUTABLE TO AMERICAN TOWER CORPORATION COMMON STOCKHOLDERS, DILUTED $ 366.8 $ 900.3 $ 855.5 $ 1,817.7
Basic weighted average common shares outstanding (in shares) 468,178 467,038 467,909 466,778
Dilutive securities (in shares) 613 743 808 1,015
Diluted weighted average common shares outstanding (in shares) 468,791 467,781 468,717 467,793
Basic net income from continuing operations attributable to American Tower Corporation common stockholders (in dollars per share) $ 0.78 $ 1.63 $ 1.83 $ 3.40
Basic net income from discontinued operations attributable to American Tower Corporation common stockholders (in dollars per share) 0 0.30 0 0.49
Basic net income attributable to American Tower Corporation common stockholders (in dollars per share) 0.78 1.93 1.83 3.89
Diluted net income from continuing operations attributable to American Tower Corporation common stockholders (in dollars per share) 0.78 1.63 1.83 3.39
Diluted net income from discontinued operations attributable to American Tower Corporation common stockholders (in dollars per share) 0 0.30 0 0.49
Diluted net income attributable to American Tower Corporation common stockholders (in dollars per share) $ 0.78 $ 1.92 $ 1.83 $ 3.89