FAIR VALUE MEASUREMENTS - Assets and Liabilities - Recurring (Details) - USD ($) $ in Millions	Apr. 27, 2025	Oct. 27, 2024	Apr. 28, 2024
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 4.6	$ 3.8	$ 3.4
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Total assets	315.8	223.8	124.2
Total liabilities	447.8	490.0	897.5
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Marketable Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 4.6	$ 3.8	$ 3.4
Investment, Type [Extensible Enumeration]	jdcc:ForeignDebtSecuritiesMember	jdcc:ForeignDebtSecuritiesMember	jdcc:ForeignDebtSecuritiesMember
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Receivables from John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	$ 310.1	$ 192.3	$ 114.3
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Other Assets
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative assets	1.1	27.7	6.5
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Other payables to John Deere
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	427.2	489.2	893.8
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | Accounts payable and accrued expenses
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Derivative liabilities	$ 20.6	$ 0.8	$ 3.7