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Investments in Non-Consolidated Companies (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments
Revenues	$ 19,125.2	$ 12,357.4	$ 8,681.7
Net earnings including noncontrolling interest	3,614.2	1,634.9	665.6
Equity in net earnings (loss) of nonconsolidated companies	196.0	7.8	(93.8)
Assets	23,386.0	22,036.4	19,789.8
Equity Method Investment, Underlying Equity in Net Assets	$ 693.2	466.9	452.5
Gulf Sulphur Services
Schedule of Equity Method Investments
Equity method investment, ownership percentage	50.00%
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 | MWSPC
Schedule of Equity Method Investments
Equity method investment, ownership percentage	25.00%
Proportion of assets represented by MWSPC	70.00%
Proportion of liabilities represented by MWSPC	62.00%
Equity in net earnings (loss) of nonconsolidated companies	$ 194.5	5.0	(97.3)
Equity Method Investments [Member]
Schedule of Equity Method Investments
Revenues	11,852.8	4,758.2	3,463.2
Net earnings including noncontrolling interest	956.9	70.1	(405.3)
Assets	11,707.8	10,685.6	8,944.4
Liabilities	$ 8,973.7	$ 8,864.7	$ 7,184.9

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