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Share-based Payments, Stock Options (Details 2) - USD ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
The total intrinsic value of options exercised during the fiscal year | (16,000,000.0) | (3,200,000) |
Stock Options |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Number of years the employee stock options vest in equal annual installments | 3 years |  |
Assumptions used to calculate the fair value of stock options in each period are noted in the following table. A summary of the assumptions used to estimate the fair value of stock option awards is as follows: |  |  |
Expected volatility (percent) |  |  | 35.35%
Expected dividend yield (percent) |  |  | 1.97%
Expected term (in years) |  |  | 7 years
Risk-free interest rate (percent) |  |  | 2.34%
Shares (in millions) |  |  |
Number of option shares outstanding at beginning of period (in shares) | 1,100,000 |  |
Granted (in shares) | 0 |  |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ 40.15 |  |
Cancelled (in shares) | (100,000) |  |
Number of option shares outstanding at end of period (in shares) | 600,000 | 1,100,000 |
Number of shares issuable under options exercisable at end of period (in shares) | 600,000 |  |
Weighted Average Exercise Price |  |  |
Weighted average exercise price- options outstanding at beginning of period (in usd per share) | $ 38.47 |  |
Granted (in usd per share) | 0 |  |
Cancelled (in usd per share) | 53.55 |  |
Weighted Average Exercise Price- options outstanding at end of period (in usd per share) | 36.12 | $ 38.47 |
Weighted Average Exercise Price- options exercisable at end of period (in usd per share) | $ 36.12 |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] |  |  |
Weighted Average Remaining Contractual Term (Years) - options outstanding at end of fiscal year | 2 years 11 months 23 days |  |
Weighted Average Remaining Contractual Term (Years) - options exercisable as of the end of the fiscal year | 2 years 11 months 23 days |  |
Aggregate Intrinsic Value - options outstanding at end of fiscal year | $ 6.5 |  |
Aggregate Intrinsic Value - options exercisable as of the end of the fiscal year | $ 6.5 |  |
The total intrinsic value of options exercised during the fiscal year | (400,000) |  |
Stock Options | 2014 Mosaic Stock and Incentive Plan |  |  |
Shares (in millions) |  |  |
Number of option shares outstanding at end of period (in shares) | 534,126 |  |
Stock Options | Omnibus Stock and Incentive Plan 2004 |  |  |
Shares (in millions) |  |  |
Number of option shares outstanding at end of period (in shares) | 117,330 |  |

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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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