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Investments in Non-Consolidated Companies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule of Equity Method Investments
Revenues	$ 13,696.1	$ 19,125.2	$ 12,357.4
Net earnings including noncontrolling interest	1,209.2	3,614.2	1,634.9
Equity in net earnings of nonconsolidated companies	60.3	196.0	7.8
Assets	23,032.8	23,386.0	22,036.4
Equity Method Investment, Underlying Equity in Net Assets	$ 725.9	693.2	466.9
River Bend Ag
Schedule of Equity Method Investments
Equity method investment, ownership percentage	50.00%
I F C
Schedule of Equity Method Investments
Equity method investment, ownership percentage	45.00%
Canpotex
Schedule of Equity Method Investments
Equity method investment, ownership percentage	36.20%
Equity Method Investee
Schedule of Equity Method Investments
Revenues	$ 17.5	23.1	12.2
Equity Method Investee | MWSPC
Schedule of Equity Method Investments
Equity method investment, ownership percentage	25.00%
Proportion of assets represented by MWSPC	77.00%
Proportion of liabilities represented by MWSPC	68.00%
Equity in net earnings of nonconsolidated companies	$ 57.6	194.5	5.0
Equity Method Investments [Member]
Schedule of Equity Method Investments
Revenues	7,055.1	11,852.8	4,758.2
Net earnings including noncontrolling interest	317.9	956.9	70.1
Assets	9,900.6	11,707.8	10,685.6
Liabilities	$ 7,014.1	$ 8,973.7	$ 8,864.7

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