Securitization of Receivables (Details) - USD ($) $ in Millions	Jul. 31, 2022	Oct. 31, 2021	Aug. 01, 2021
Securitization of Receivables
Total receivables	$ 40,534.9	$ 36,669.6	$ 36,683.2
Other assets	315.7	324.5	367.2
Total Assets	46,751.9	43,216.6	43,412.8
Securitization borrowings	4,918.5	4,595.2	5,264.6
Accrued interest on borrowings - securitization transactions	3.4	1.7	2.1
Total liabilities related to restricted securitized assets	4,921.9	4,596.9	5,266.7
Securitized
Securitization of Receivables
Other assets	136.2	106.6	112.7
Total Assets	5,275.6	4,755.5	5,501.0
Retail notes | Securitized
Securitization of Receivables
Total receivables	$ 5,154.1	$ 4,662.4	$ 5,408.2
Location of liability for pledged asset	Securitization borrowings	Securitization borrowings	Securitization borrowings
Allowance for credit losses	$ (14.7)	$ (13.5)	$ (19.9)