XML 55 R41.htm IDEA: XBRL DOCUMENT
v3.22.1

Organization and Nature of Business (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2022 | Jan. 08, 2018
Miski Mayo Joint Venture |  |
Schedule of Equity Method Investments [Line Items] |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Percentage |  | 75.00%
MWSPC Joint Venture |  |
Schedule of Equity Method Investments [Line Items] |  |
Mosaic's ownership percentage | 25.00% |
Percent of joint venture production Mosaic expects to market | 25.00% |

X
- Definition Percent of joint venture production Mosaic expects to market + References No definition available. + Details
Name: | mos_PercentageOfTotalProductionExpectedToMarket
Namespace Prefix: | mos_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of voting equity interests acquired in a business combination achieved in stages, including equity interests in the acquiree held by the acquirer immediately before the acquisition date and acquired at the acquisition date. + References No definition available. + Details
Name: | us-gaap_BusinessCombinationStepAcquisitionEquityInterestInAcquireeIncludingSubsequentAcquisitionPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=mos_MiskiMayoJointVentureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=mos_MaadenWaadAlShamalPhosphateCompanyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |