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Share-based Payments, Stock Options (Details 2) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	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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