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Total investment required by the joint venture to develop a phosphates greenfield mine and chemical complexes

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Number of lenders or financial institutions in a credit facility.

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After project completion, number of months of shareholder tax amounts and severance fees for which the joint venture parties may have exposure.

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Percent of joint venture production Mosaic expects to market

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Investments in Non-Consolidated Companies - MWSPC Joint Venture (Details) t in Millions, $ in Millions		6 Months Ended	12 Months Ended
	Jul. 01, 2016 USD ($)	Jun. 30, 2014 USD ($) financialinstitution	Dec. 31, 2021 USD ($) t	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Aug. 19, 2021 USD ($)	Apr. 30, 2017 USD ($)	Nov. 18, 2016 USD ($)
Schedule of Equity Method Investments
Equity in net earnings (loss) of nonconsolidated companies			$ 7.8	$ (93.8)	$ (59.4)
MWSPC line of credit facility, maximum borrowing capacity			2,500.0			$ 2,500.0		$ 2,200.0
Investments in nonconsolidated companies			$ 691.8	673.1
Equity Method Investee \| MWSPC
Schedule of Equity Method Investments
Payments to Acquire Equity Method Investments	$ 120.0
Proportion of assets represented by MWSPC			70.00%
Proportion of liabilities represented by MWSPC			65.00%
Equity in net earnings (loss) of nonconsolidated companies			$ 5.0	$ (97.3)	(62.1)
Aggregate cost of investment in phosphates greenfield mine including Mosaic's portion to date			$ 8,000.0
Annual production of finished product (Tonnes) \| t			3.0
Percentage Of Total Production Expected To Market			25.00%
Number of lenders in MWSPC credit facility \| financialinstitution		20
MWSPC line of credit facility, maximum borrowing capacity		$ 5,000.0			$ 506.0		$ 560.0
After project completion, number of months of shareholder tax amounts and severance fees for which the joint venture parties may have exposure			36
Loans Payable							$ 1,100.0
Investments in nonconsolidated companies			$ 770.0
Equity Method Investee \| MWSPC \| Maximum
Schedule of Equity Method Investments
Total cash investment from investors to acquire interest in MWSPC		$ 2,400.0