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Goodwill (Details) - USD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Goodwill [Line Items] |  |
Goodwill, net of accumulated amortization | $ 1,173.0 |
Foreign currency translation | (1.3) |
Goodwill, net of accumulated amortization | 1,171.7 |
Goodwill, Gross | 1,200.0 | $ 1,200.0
Potash segment |  |
Goodwill [Line Items] |  |
Goodwill, net of accumulated amortization | 1,063.2 |
Foreign currency translation | (0.1) |
Goodwill, net of accumulated amortization | 1,063.1 |
Mosaic Fertilizantes segment |  |
Goodwill [Line Items] |  |
Goodwill, net of accumulated amortization | 97.7 |
Foreign currency translation | (1.2) |
Goodwill, net of accumulated amortization | 96.5 |
Corporate, other and intersegment eliminations |  |
Goodwill [Line Items] |  |
Goodwill, net of accumulated amortization | 12.1 |
Foreign currency translation | 0.0 |
Goodwill, net of accumulated amortization | $ 12.1 |

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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120320667&loc=SL49117168-202975 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 852 -SubTopic 10 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=84165509&loc=d3e56426-112766 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=99380562&loc=d3e13770-109266 + Details
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- Definition Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 + Details
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