v3.25.2
Business Segments (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Disaggregation of Revenue [Line Items]        
Net Sales $ 3,005.7 $ 2,816.6 $ 5,626.6 $ 5,496.0
Cost of goods sold 2,487.1 2,422.6 4,619.6 4,702.8
Gross margin 518.6 394.0 1,007.0 793.2
Selling, general and administrative expenses 167.2 128.4 289.8 235.2
Other operating expense 107.0 32.3 134.3 151.8
Corporate, other and intersegment eliminations        
Disaggregation of Revenue [Line Items]        
Gross margin     70.0 (95.0)
Phosphates segment        
Disaggregation of Revenue [Line Items]        
Gross margin     270.3 313.1
Potash segment        
Disaggregation of Revenue [Line Items]        
Gross margin     378.0 398.1
Mosaic Fertilizantes segment        
Disaggregation of Revenue [Line Items]        
Gross margin     288.7 177.0
Product        
Disaggregation of Revenue [Line Items]        
Net Sales [1] 3,005.7 2,816.6 5,626.6 5,496.0
Revenues 3,005.7 2,816.6 5,626.6 5,496.0
Cost of goods sold [2] 2,487.1 2,422.6 4,619.6 4,702.8
Gross margin 518.6 394.0    
Selling, general and administrative expenses [3] 167.2 128.4 289.8 235.2
Other operating expense [4] 107.0 32.3 134.3 151.8
Product | Corporate, other and intersegment eliminations        
Disaggregation of Revenue [Line Items]        
Net Sales 134.5 123.4 286.6 258.7
Revenues (52.7) (74.9) (34.4) (93.7)
Cost of goods sold [2] (97.2) (27.0) (104.4) 1.3
Gross margin 44.5 (47.9)    
Selling, general and administrative expenses [3] 85.3 83.8 164.8 139.4
Other operating expense [4] (10.1) (3.5) (12.2) (8.2)
Product | Corporate, other and intersegment eliminations | China and India distribution operations        
Disaggregation of Revenue [Line Items]        
Revenues 132.4 120.9 279.9 250.1
Gross margin 19.7 2.4 40.0 9.9
Product | Phosphates segment        
Disaggregation of Revenue [Line Items]        
Net Sales 984.6 989.2 1,949.4 2,012.2
Revenues 1,173.0 1,179.5 2,271.6 2,348.2
Cost of goods sold [2] 1,070.0 1,025.8 2,001.3 2,035.1
Gross margin 103.0 153.7    
Selling, general and administrative expenses [3] 12.4 10.4 24.5 23.1
Other operating expense [4] (98.5) (10.5) (114.3) (116.8)
Product | Potash segment        
Disaggregation of Revenue [Line Items]        
Net Sales 711.7 655.1 1,281.9 1,289.8
Revenues 710.5 663.1 1,280.7 1,306.2
Cost of goods sold [2] 501.1 476.7 902.7 908.1
Gross margin 209.4 186.4    
Selling, general and administrative expenses [3] 8.3 7.1 16.1 15.6
Other operating expense [4] (6.9) (4.9) (11.0) (10.1)
Product | Mosaic Fertilizantes segment        
Disaggregation of Revenue [Line Items]        
Net Sales 1,174.9 1,048.9 2,108.7 1,935.3
Revenues 1,174.9 1,048.9 2,108.7 1,935.3
Cost of goods sold [2] 1,013.2 947.1 1,820.0 1,758.3
Gross margin 161.7 101.8    
Selling, general and administrative expenses [3] 61.2 27.1 84.4 57.1
Other operating expense [4] 8.5 (13.4) 3.2 (16.7)
Product | Canada | Transferred at Point in Time        
Disaggregation of Revenue [Line Items]        
Net Sales [1] $ 81.0 $ 147.2 $ 205.9 $ 289.2
[1] Revenues are attributed to countries based on location of customer.
[2] The primary components of cost of goods sold are raw material purchases, including sulfur and ammonia, conversion costs and transportation costs.
[3] Selling, general and administrative expenses include nonmanufacturing payroll expense and professional services expense.
[4] Other operating expenses typically relate to five major categories: (1) AROs, (2) environmental and legal reserves, (3) idle facility costs, (4) insurance reimbursements, and (5) gain/loss on sale or disposal of fixed assets.