v3.25.2
Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical)
3 Months Ended 6 Months Ended
Jun. 30, 2025
$ / shares
Jun. 30, 2024
$ / shares
Jun. 30, 2025
$ / shares
Jun. 30, 2024
$ / shares
Dec. 31, 2024
$ / shares
Jul. 05, 2024
$ / shares
Jul. 05, 2024
€ / shares
Dividends per share, declared (USD per share) $ 0.43 [1] $ 1.28 $ 0.86 $ 1.28      
Common stock, par or stated value per share (in dollars per share) $ 0.001   $ 0.001   $ 0.001 $ 0.001  
Smurfit Kappa              
Common stock, par or stated value per share (in dollars per share) | € / shares             € 0.001
[1] Includes cash dividends and dividend equivalent units declared on certain unvested share-based payment awards.