Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to the CARES Act.

No definition available.

Income Taxes Effective Tax Rate (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ 1,587.8	$ 900.1	$ (449.0)
Income (Loss) from Continuing Operations before Income Taxes, Foreign	3,054.7	1,324.7	629.9
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ 4,642.5	$ 2,224.8	$ 180.9
Effective Income Tax Rate Continuing Operations Tax Rate Reconciliation
Computed tax at the U.S. federal statutory rate	21.00%	21.00%	21.00%
State and local income taxes, net of federal income tax benefit	1.10%	1.20%	(7.00%)
Percentage depletion in excess of basis	(1.80%)	(1.10%)	(10.30%)
Impact of non-U.S. earnings	5.80%	6.30%	42.10%
Change in valuation allowance	0.00%	(0.30%)	(330.00%)
Other items (none in excess of 5% of computed tax)	1.30%	2.20%	(1.90%)
Effective tax rate	26.40%	26.90%	(319.80%)
Effective Income Tax Rate Reconciliation, Amounts
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	$ 4.0
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 1.2	$ (1.2)	$ 2.7
Refund of Future Alternative Minimum Tax Credits			(5.5)
Effective Income Tax Rate Reconciliation, CARES Act, Amount			$ (23.6)
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent	(2.60%)	(5.70%)	(35.60%)
Deferred Tax Assets, Gross [Abstract]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	$ (135.2)	$ (91.7)	$ 774.1
Valuation allowance	909.9	774.7	683.0	$ 1,457.1
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 26.2	$ 0.6	$ (609.0)
Effective Income Tax Reconciliation, Nondeductible Expense, Withholding, Percent	0.016	0.033	0.019
Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-Based Payment Arrangement, Amount	$ 12.8
Vale Fertilizantes S.A.
Effective Income Tax Rate Reconciliation, Amounts
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	4.8
Deferred Tax Assets, Gross [Abstract]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(13.2)	$ (13.9)	$ (763.5)
Foreign Tax Authority
Effective Income Tax Rate Reconciliation, Amounts
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount		20.4
Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount			582.6
Deferred Tax Assets, Gross [Abstract]
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount	(7.0)	(3.4)	$ (32.2)
Domestic Tax Authority
Effective Income Tax Rate Reconciliation, Amounts
Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount	29.0	23.9
Esterhazy Mine Closure
Effective Income Tax Rate Reconciliation, Amounts
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Restructuring Charges, Amount		(43.7)
Foreign Tax Credit Carryforward
Deferred Tax Assets, Gross [Abstract]
Valuation allowance	473.2
Tax Credit Carryforward, Amount	736.7
Anticipatory Foreign Tax Credit Carryforward
Deferred Tax Assets, Gross [Abstract]
Valuation allowance	$ 202.2	$ 229.6