Credit Losses on Financial Assets Measured at Amortized Cost - Narrative (Details) - Automobile Loan - USD ($) $ in Millions	6 Months Ended
May 31, 2023	Nov. 30, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, balance	$ 896.9	$ 891.1
Historical loss experience period	8 years
Supportable forecast period	1 year

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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