v3.26.1
EARNINGS PER COMMON SHARE (Tables)
 6 Months Ended
Jun. 30, 2026
Earnings Per Share [Abstract]  
Schedule of Basic and Diluted Earnings Per 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 June 30,Six Months Ended June 30,
2026202520262025
Net income attributable to American Tower Corporation common stockholders$867.5 $366.8 $1,727.0 $855.5 
Basic weighted average common shares outstanding465,938 468,178 466,068 467,909 
Dilutive securities327 613 510 808 
Diluted weighted average common shares outstanding466,265 468,791 466,578 468,717 
Basic net income attributable to American Tower Corporation common stockholders per common share$1.86 $0.78 $3.71 $1.83 
Diluted net income attributable to American Tower Corporation common stockholders$1.86 $0.78 $3.70 $1.83 
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share 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 June 30,Six Months Ended June 30,
 2026202520262025
Restricted stock units243 0 2 1