Fair Value Measurements - Assets and Liabilities - Recurring (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 1.3	$ 2.1	$ 2.1
Derivative assets	170.1	192.7	334.2
Derivative liabilities	468.7	102.4	47.4
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	171.4	194.8	336.3
Total liabilities	468.7	102.4	47.4
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	168.3	191.6	333.7
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	1.8	1.1	0.5
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	446.6	97.6	45.7
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	22.1	4.8	1.7
Assets and Liabilities Measured at Fair Value on a Recurring Basis | Level 2 | International Debt Securities | Marketable Securities
Assets and Liabilities Measured at Fair Value on Recurring and Nonrecurring Basis
Marketable securities	$ 1.3	$ 2.1	$ 2.1