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Business Segments (Tables) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | $ 2,381.5 | $ 2,753.4 | $ 6,224.3 | $ 6,830.0 |
Gross margin | 355.1 | 279.9 | 653.5 | 816.6 |
Canadian resource taxes | 26.1 | 58.1 | 109.9 | 161.4 |
Gross margin (excluding canadian resource taxes) | 381.2 | 338.0 | 763.4 | 978.0 |
Impairment, restructuring and other expenses | 0.0 | (15.6) | 0.0 | 353.8 |
Operating earnings (loss) | 98.5 | 139.5 | 118.1 | 99.7 |
Capital expenditures | 265.1 | 322.3 | 785.8 | 931.1 |
Depreciation, depletion and amortization expense | 205.9 | 210.8 | 639.1 | 649.6 |
Assets | 18,851.6 |  | $ 18,851.6 |  | $ 19,298.5
Schedule of Segment Reporting Information |  |  | Segment information for the three and nine months ended September 30, 2020 and 2019 was as follows:
| Phosphates |  | Potash |  | Mosaic Fertilizantes |  | Corporate, Eliminations and Other (a) |  | Total
Three months ended September 30, 2020 |  |  |  |  |  |  |  |  |
Net sales to external customers | $ | 586.2 |  |  | $ | 452.2 |  |  | $ | 1,140.5 |  |  | $ | 202.6 |  |  | $ | 2,381.5 |
Intersegment net sales | 158.3 |  |  | 11.6 |  |  | — |  |  | (169.9) |  |  | — |
Net sales | 744.5 |  |  | 463.8 |  |  | 1,140.5 |  |  | 32.7 |  |  | 2,381.5 |
Gross margin | 21.8 |  |  | 107.6 |  |  | 176.9 |  |  | 48.8 |  |  | 355.1 |
Canadian resource taxes | — |  |  | 26.1 |  |  | — |  |  | — |  |  | 26.1 |
Gross margin (excluding Canadian resource taxes) | 21.8 |  |  | 133.7 |  |  | 176.9 |  |  | 48.8 |  |  | 381.2 |
Operating earnings (loss) | (114.9) |  |  | 87.0 |  |  | 143.9 |  |  | (17.5) |  |  | 98.5 |
Capital expenditures | 115.0 |  |  | 119.4 |  |  | 28.0 |  |  | 2.7 |  |  | 265.1 |
Depreciation, depletion and amortization expense | 107.7 |  |  | 68.7 |  |  | 25.4 |  |  | 4.1 |  |  | 205.9 |
Three months ended September 30, 2019 |  |  |  |  |  |  |  |  |
Net sales to external customers | $ | 615.6 |  |  | $ | 609.1 |  |  | $ | 1,388.3 |  |  | $ | 140.4 |  |  | $ | 2,753.4 |
Intersegment net sales | 204.3 |  |  | 7.3 |  |  | — |  |  | (211.6) |  |  | — |
Net sales | 819.9 |  |  | 616.4 |  |  | 1,388.3 |  |  | (71.2) |  |  | 2,753.4 |
Gross margin | (19.3) |  |  | 158.3 |  |  | 132.1 |  |  | 8.8 |  |  | 279.9 |
Canadian resource taxes | — |  |  | 58.1 |  |  | — |  |  | — |  |  | 58.1 |
Gross margin (excluding Canadian resource taxes) | (19.3) |  |  | 216.4 |  |  | 132.1 |  |  | 8.8 |  |  | 338.0 |
Operating earnings (loss) | (69.9) |  |  | 148.1 |  |  | 98.1 |  |  | (36.8) |  |  | 139.5 |
Capital expenditures | 123.6 |  |  | 153.1 |  |  | 43.2 |  |  | 2.4 |  |  | 322.3 |
Depreciation, depletion and amortization expense | 108.9 |  |  | 63.1 |  |  | 33.6 |  |  | 5.2 |  |  | 210.8 |
Nine months ended September 30, 2020 |  |  |  |  |  |  |  |  |
Net sales to external customers | $ | 1,673.6 |  |  | $ | 1,435.6 |  |  | $ | 2,658.6 |  |  | $ | 456.5 |  |  | $ | 6,224.3 |
Intersegment net sales | 452.7 |  |  | 25.2 |  |  | — |  |  | (477.9) |  |  | — |
Net sales | 2,126.3 |  |  | 1,460.8 |  |  | 2,658.6 |  |  | (21.4) |  |  | 6,224.3 |
Gross margin | (43.4) |  |  | 348.3 |  |  | 344.1 |  |  | 4.5 |  |  | 653.5 |
Canadian resource taxes | — |  |  | 109.9 |  |  | — |  |  | — |  |  | 109.9 |
Gross margin (excluding Canadian resource taxes) | (43.4) |  |  | 458.2 |  |  | 344.1 |  |  | 4.5 |  |  | 763.4 |
Operating earnings (loss) | (281.1) |  |  | 306.7 |  |  | 249.3 |  |  | (156.8) |  |  | 118.1 |
Capital expenditures | 375.1 |  |  | 329.1 |  |  | 73.0 |  |  | 8.6 |  |  | 785.8 |
Depreciation, depletion and amortization expense | 336.0 |  |  | 210.6 |  |  | 80.6 |  |  | 11.9 |  |  | 639.1 |
Nine months ended September 30, 2019 |  |  |  |  |  |  |  |  |
Net sales to external customers | $ | 1,814.3 |  |  | $ | 1,698.3 |  |  | $ | 2,919.0 |  |  | $ | 398.4 |  |  | $ | 6,830.0 |
Intersegment net sales | 729.0 |  |  | 20.7 |  |  | — |  |  | (749.7) |  |  | — |
Net sales | 2,543.3 |  |  | 1,719.0 |  |  | 2,919.0 |  |  | (351.3) |  |  | 6,830.0 |
Gross margin | 23.7 |  |  | 524.8 |  |  | 219.7 |  |  | 48.4 |  |  | 816.6 |
Canadian resource taxes | — |  |  | 161.4 |  |  | — |  |  | — |  |  | 161.4 |
Gross margin (excluding Canadian resource taxes) | 23.7 |  |  | 686.2 |  |  | 219.7 |  |  | 48.4 |  |  | 978.0 |
Operating earnings (loss) | (419.5) |  |  | 497.9 |  |  | 127.8 |  |  | (106.5) |  |  | 99.7 |
Capital expenditures | 366.1 |  |  | 423.6 |  |  | 135.8 |  |  | 5.6 |  |  | 931.1 |
Depreciation, depletion and amortization expense | 317.4 |  |  | 219.7 |  |  | 97.2 |  |  | 15.3 |  |  | 649.6 |
Total Assets |  |  |  |  |  |  |  |  |
As of September 30, 2020 | $ | 6,930.1 |  |  | $ | 7,236.7 |  |  | $ | 3,356.6 |  |  | $ | 1,328.2 |  |  | $ | 18,851.6 |
As of December 31, 2019 | 7,183.5 |  |  | 7,219.2 |  |  | 3,974.9 |  |  | 920.9 |  |  | 19,298.5 |
______________________________ (a)The “Corporate, Eliminations and Other” category includes the results of our ancillary distribution operations in India and China. For the three and nine months ended September 30, 2020, distribution operations in India and China had revenue of $200.9 million and $439.2 million, respectively, and gross margin of $18.4 million and $40.4 million, respectively. For the three and nine months ended September 30, 2019, distribution operations in India and China had revenue of $134.3 million and $360.8 million, respectively, and gross margin of $0.4 million and $19.6 million, respectively. |  |
Revenue from External Customers by Geographic Areas [Table Text Block] |  |  | Financial information relating to our operations by geographic area is as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions) | 2020 |  | 2019 |  | 2020 |  | 2019
Net sales(a): |  |  |  |  |  |  |
Brazil | $ | 1,109.7 |  |  | $ | 1,347.3 |  |  | $ | 2,579.4 |  |  | $ | 2,831.0 |
Canpotex(b) | 192.8 |  |  | 272.1 |  |  | 555.0 |  |  | 811.4 |
Canada | 122.2 |  |  | 157.0 |  |  | 376.9 |  |  | 435.3 |
India | 104.0 |  |  | 85.2 |  |  | 242.0 |  |  | 185.3 |
China | 96.8 |  |  | 48.8 |  |  | 210.7 |  |  | 172.7 |
Argentina | 36.9 |  |  | 25.3 |  |  | 120.0 |  |  | 97.7 |
Paraguay | 28.3 |  |  | 38.7 |  |  | 71.0 |  |  | 86.2 |
Peru | 26.1 |  |  | 27.1 |  |  | 32.1 |  |  | 73.3 |
Mexico | 23.5 |  |  | 28.6 |  |  | 71.2 |  |  | 108.8 |
Colombia | 21.1 |  |  | 28.7 |  |  | 61.1 |  |  | 67.3 |
Japan | 15.9 |  |  | 1.8 |  |  | 60.4 |  |  | 10.8 |
Australia | 10.6 |  |  | 12.0 |  |  | 51.9 |  |  | 68.1 |
Thailand | 4.8 |  |  | 5.6 |  |  | 13.9 |  |  | 18.8 |
Honduras | 4.3 |  |  | 3.6 |  |  | 21.8 |  |  | 11.7 |
Other | 17.2 |  |  | 35.0 |  |  | 67.0 |  |  | 89.7 |
Total international countries | 1,814.2 |  |  | 2,116.8 |  |  | 4,534.4 |  |  | 5,068.1 |
United States | 567.3 |  |  | 636.6 |  |  | 1,689.9 |  |  | 1,761.9 |
Consolidated | $ | 2,381.5 |  |  | $ | 2,753.4 |  |  | $ | 6,224.3 |  |  | $ | 6,830.0 |
______________________________ (a)Revenues are attributed to countries based on location of customer. (b)Canpotex is the export association of two Saskatchewan potash producers. The net sales of potash from Mosaic to Canpotex included in our consolidated financial statements in the Net Sales line represent Mosaic’s sales of potash to Canpotex, and are recognized upon delivery to the unrelated third-party customer. Canpotex sales to the ultimate third-party customers are approximately; 25% to customers based in Brazil, 22% to customers based in China, 10% to customers based in India, 8% to customers based in Indonesia and 35% to customers based in the rest of the world. |  |
Sales by Product Type |  |  | Net sales by product type are as follows:
| Three Months Ended September 30, |  | Nine Months Ended September 30,
(in millions) | 2020 |  | 2019 |  | 2020 |  | 2019
Sales by product type: |  |  |  |  |  |  |
Phosphate Crop Nutrients | $ | 677.0 |  |  | $ | 736.7 |  |  | $ | 1,783.8 |  |  | $ | 1,904.6 |
Potash Crop Nutrients | 727.3 |  |  | 891.9 |  |  | 1,856.3 |  |  | 2,175.9 |
Crop Nutrient Blends | 376.5 |  |  | 509.0 |  |  | 915.8 |  |  | 1,089.8 |
Performance Products(a) | 361.3 |  |  | 356.9 |  |  | 914.2 |  |  | 895.1 |
Phosphate Rock | 14.5 |  |  | 14.1 |  |  | 28.5 |  |  | 33.5 |
Other(b) | 224.9 |  |  | 244.8 |  |  | 725.7 |  |  | 731.1 |
| $ | 2,381.5 |  |  | $ | 2,753.4 |  |  | $ | 6,224.3 |  |  | $ | 6,830.0 |
____________________________________________ (a)Includes sales of MicroEssentials®, K-Mag, and Aspire. (b)Includes sales of industrial potash, feed products, nitrogen and other products. |  |
Phosphates segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gross margin | 21.8 | (19.3) | $ (43.4) | 23.7 |
Canadian resource taxes | 0.0 | 0.0 | 0.0 | 0.0 |
Gross margin (excluding canadian resource taxes) | 21.8 | (19.3) | (43.4) | 23.7 |
Operating earnings (loss) | (114.9) | (69.9) | (281.1) | (419.5) |
Capital expenditures | 115.0 | 123.6 | 375.1 | 366.1 |
Depreciation, depletion and amortization expense | 107.7 | 108.9 | 336.0 | 317.4 |
Assets | 6,930.1 |  | 6,930.1 |  | 7,183.5
Potash segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gross margin | 107.6 | 158.3 | 348.3 | 524.8 |
Canadian resource taxes | 26.1 | 58.1 | 109.9 | 161.4 |
Gross margin (excluding canadian resource taxes) | 133.7 | 216.4 | 458.2 | 686.2 |
Operating earnings (loss) | 87.0 | 148.1 | 306.7 | 497.9 |
Capital expenditures | 119.4 | 153.1 | 329.1 | 423.6 |
Depreciation, depletion and amortization expense | 68.7 | 63.1 | 210.6 | 219.7 |
Assets | 7,236.7 |  | 7,236.7 |  | 7,219.2
Mosaic Fertilizantes segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gross margin | 176.9 | 132.1 | 344.1 | 219.7 |
Canadian resource taxes | 0.0 | 0.0 | 0.0 | 0.0 |
Gross margin (excluding canadian resource taxes) | 176.9 | 132.1 | 344.1 | 219.7 |
Operating earnings (loss) | 143.9 | 98.1 | 249.3 | 127.8 |
Capital expenditures | 28.0 | 43.2 | 73.0 | 135.8 |
Depreciation, depletion and amortization expense | 25.4 | 33.6 | 80.6 | 97.2 |
Assets | 3,356.6 |  | 3,356.6 |  | 3,974.9
Corporate, other and intersegment eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Gross margin | 48.8 | 8.8 | 4.5 | 48.4 |
Canadian resource taxes | 0.0 | 0.0 | 0.0 | 0.0 |
Gross margin (excluding canadian resource taxes) | 48.8 | 8.8 | 4.5 | 48.4 |
Operating earnings (loss) | (17.5) | (36.8) | (156.8) | (106.5) |
Capital expenditures | 2.7 | 2.4 | 8.6 | 5.6 |
Depreciation, depletion and amortization expense | 4.1 | 5.2 | 11.9 | 15.3 |
Assets | 1,328.2 |  | 1,328.2 |  | $ 920.9
Product |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | 2,381.5 | 2,753.4 | 6,224.3 | 6,830.0 |
Intersegment Sales | 0.0 | 0.0 | 0.0 | 0.0 |
Revenues | 2,381.5 | 2,753.4 | 6,224.3 | 6,830.0 |
Product | Phosphates segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | 586.2 | 615.6 | 1,673.6 | 1,814.3 |
Intersegment Sales | 158.3 | 204.3 | 452.7 | 729.0 |
Revenues | 744.5 | 819.9 | 2,126.3 | 2,543.3 |
Product | Potash segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | 452.2 | 609.1 | 1,435.6 | 1,698.3 |
Intersegment Sales | 11.6 | 7.3 | 25.2 | 20.7 |
Revenues | 463.8 | 616.4 | 1,460.8 | 1,719.0 |
Product | Mosaic Fertilizantes segment |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | 1,140.5 | 1,388.3 | 2,658.6 | 2,919.0 |
Intersegment Sales | 0.0 | 0.0 | 0.0 | 0.0 |
Revenues | 1,140.5 | 1,388.3 | 2,658.6 | 2,919.0 |
Product | Corporate, other and intersegment eliminations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Net Sales | 202.6 | 140.4 | 456.5 | 398.4 |
Intersegment Sales | (169.9) | (211.6) | (477.9) | (749.7) |
Revenues | 32.7 | (71.2) | (21.4) | (351.3) |
Product | Corporate, other and intersegment eliminations | China and India distribution operations |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |
Revenues | 200.9 | 134.3 | 439.2 | 360.8 |
Gross margin | $ 18.4 | $ 0.4 | $ 40.4 | $ 19.6 |

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