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Financing Arrangements - Mosaic Credit Facility (Details) | 12 Months Ended |  |
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Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Aug. 19, 2021 USD ($) | Nov. 18, 2016 USD ($)
Debt Instrument |  |  |  |  |
The Mosaic Credit Facility amount of revolving credit loans | $ 2,500,000,000 |  |  | $ 2,500,000,000 | $ 2,200,000,000
A failure to pay principal or interest under any one item of other indebtedness in excess of $100 million, or breach or default under such indebtedness that permits the holders thereof to accelerate the maturity thereof, will result in a cross-default in the Mosaic Credit Line | $ 100,000,000 |  |  |  |
Debt Instrument, Covenant, Consolidated Capitalization Ratio, Minimum | 0.65 |  |  |  |
Debt Instrument, Covenant, Consolidated Capitalization Ratio, Maximum | 1.0 |  |  |  |
Debt Instrument, Covenant, Interest Coverage Ratio, Maximum | $ 3.0 |  |  |  |
Credit facility, interest coverage ratio, minimum | 1.0 |  |  |  |
Letters of Credit Outstanding, Amount | 50,000,000 |  |  |  |
Short-term Debt |  |  |  |  |
Debt Instrument |  |  |  |  |
Letters of Credit Outstanding, Amount | 54,400,000 |  |  |  |
Mosaic Credit Facility |  |  |  |  |
Debt Instrument |  |  |  |  |
Letters of Credit Outstanding, Amount | 10,900,000 | $ 10,900,000 |  |  |
Net available borrowings for revolving loans under the Mosaic Credit Facility | $ 2,490,000,000 |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.15% | 0.40% | 0.40% |  |
Line of Credit Facility, Commitment Fee Amount | $ 3,800,000 | $ 7,000,000 | $ 6,000,000 |  |

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- Definition The minimum amount of default, as defined, under a single other form of indebtedness that would trigger the default clause of the line of credit facility. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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