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Related Party Transactions (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Related Party Transaction [Line Items] |  |  |  |  |
Indemnification asset | $ 21.7 |  | $ 21.7 |  | $ 20.9
Percent of joint venture production Mosaic expects to market |  |  | 25.00% |  |
Related Party |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Transactions with non-consolidated companies included in cost of sales | 301.8 | $ 483.6 | $ 562.6 | $ 880.5 |
Revenues | 234.0 | 314.6 | 470.6 | 760.5 |
Amounts due to related parties | 155.7 |  | 155.7 |  | $ 0.8
Equity Method Investee |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenues | $ 5.7 | $ 3.6 | $ 9.0 | $ 9.3 |

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