FAIR VALUE MEASUREMENTS - Assets and Liabilities - Recurring (Details) - USD ($) $ in Millions	Jan. 26, 2025	Oct. 27, 2024	Jan. 28, 2024
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 3.8	$ 3.8	$ 2.3
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	75.3	223.8	171.1
Total liabilities	660.2	490.0	601.0
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	$ 3.8	$ 3.8	$ 2.3
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	$ 70.1	$ 192.3	$ 146.6
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	1.4	27.7	22.2
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	642.6	489.2	596.7
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	$ 17.6	$ 0.8	$ 4.3