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v3.21.2

Short-term Debt (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020 | Dec. 31, 2020
Short-term Debt [Line Items] |  |  |  |  |
Structured accounts payable arrangements | $ 830.7 |  | $ 830.7 |  | $ 640.0
Receivable Factoring Liability | (28.1) |  | (28.1) |  | 0.0
Structured Accounts Payable [Member] |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |
Structured accounts payable arrangements |  |  |  |  | $ 640.0
Receivable Purchasing Agreement [Domain] |  |  |  |  |
Short-term Debt [Line Items] |  |  |  |  |
Short-term Debt, Maximum Amount Outstanding During Period |  |  | 150.0 |  |
Receivable Purchasing Arrangements Sold | $ 102.1 | $ 99.9 | $ 188.7 | $ 201.4 |

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- Definition Funds collected on transfer of sold receivables but not yet remitted to the bank + References No definition available. + Details
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- Definition Accounts receivable sold under an agreement with a bank + References No definition available. + Details
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Namespace Prefix: | mos_
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Balance Type: | debit
Period Type: | duration

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- Definition Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer. + 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(a)(1)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 + Details
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- 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
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition For the form of debt having an initial term of less than one year or less than the normal operating cycle, if longer, the maximum amount borrowed at any time during the period. + References No definition available. + Details
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Balance Type: | credit
Period Type: | duration

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

X
- Details
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Period Type: |