v3.26.1
Earnings Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Earnings Per Share [Abstract]    
Net income (loss) attributable to Mosaic $ (257.6) $ 238.1
Basic weighted average number of shares outstanding 317.5 317.0
Dilutive impact of share-based awards 0.0 1.2
Diluted weighted average number of shares outstanding 317.5 318.2
Basic net earnings (loss) per share attributable to Mosaic $ (0.81) $ 0.75
Diluted net earnings (loss) per share attributable to Mosaic $ (0.81) $ 0.75
Shares subject to issuance upon exercise of stock options excluded from the calculation of diluted earnings per share 2.3 0.4