Annual Maturities of Financial Services Borrowings (Detail) - Financial Services $ in Millions	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
2024	$ 7,448.5
2025	2,803.2
2026	3,048.5
2027	368.8
2028	619.6
Debt, Long-term and Short-term, Combined Amount, Total	14,288.6
Medium-term Notes
Debt Instrument [Line Items]
2024	2,185.6
2025	2,672.3
2026	2,905.5
2027	300.0
2028	600.1
Debt, Long-term and Short-term, Combined Amount, Total	8,663.5
Notes Payable to Banks
Debt Instrument [Line Items]
2024	178.8
2025	130.9
2026	143.0
2027	68.8
2028	19.5
Debt, Long-term and Short-term, Combined Amount, Total	541.0
Commercial Paper
Debt Instrument [Line Items]
2024	5,084.1
Debt, Long-term and Short-term, Combined Amount, Total	$ 5,084.1

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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