Amount of allowance for credit loss on accounts receivable.

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

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Reflects the aggregate value of loans, trade receivables, securities and financial instruments that serve as collateral for obligations arising from a transfer of financial assets recorded as a secured borrowing.

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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Amount of expense related to estimated loss from loan and lease transactions.

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Loans Held for Investment - Schedule of Recorded Investment in Impaired Loans (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Provision charged to operating expense	$ (61.3)	$ 5.1
Accounts Receivable, Allowance for Credit Loss	247.2	136.6	$ 122.3	$ 144.3
Collateral dependent borrowings	101.1		11.7
Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)	57.3	(4.8)
Balance of defaulted loans under trouble debt restructurings	0.0
Impaired Financing Receivable, Interest Income, Accrual Method	0.0	0.0
Agriculture Portfolio Segment [Member]
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Provision charged to operating expense	0.5	0.1
Accounts Receivable, Allowance for Credit Loss	4.1	0.6	0.3	0.7
Total real estate loans
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Provision charged to operating expense	(38.5)	2.9
Accounts Receivable, Allowance for Credit Loss	164.5	77.7	69.3	80.5
Collateral dependent borrowings	67.7		8.2
Commercial
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Provision charged to operating expense	(19.1)	1.8
Accounts Receivable, Allowance for Credit Loss	58.2	36.0	31.6	39.2
Collateral dependent borrowings	9.4		2.8
Agricultural
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Provision charged to operating expense	0.5	0.1
Accounts Receivable, Allowance for Credit Loss	4.1	$ 0.6	0.3	$ 0.7
Collateral dependent borrowings	24.0		0.7
Business Assets Pledged as Collateral [Member]
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	5.0		3.0
Business Assets Pledged as Collateral [Member] \| Total real estate loans
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	0.2		1.2
Business Assets Pledged as Collateral [Member] \| Commercial
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	4.8		1.8
Business Assets Pledged as Collateral [Member] \| Agricultural
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	0.0		0.0
Real Property Pledged as Collateral [Member]
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	96.1		8.7
Real Property Pledged as Collateral [Member] \| Total real estate loans
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	67.5		7.0
Real Property Pledged as Collateral [Member] \| Commercial
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	4.6		1.0
Real Property Pledged as Collateral [Member] \| Agricultural
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	24.0		0.7
Other Property [Member]
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	0.0		0.0
Other Property [Member] \| Total real estate loans
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	0.0		0.0
Other Property [Member] \| Commercial
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	0.0		0.0
Other Property [Member] \| Agricultural
Loans and Leases Receivable Recorded Investment, Impaired [Line Items]
Collateral dependent borrowings	$ 0.0		$ 0.0