Financial Instruments and Fair Value Disclosures - (Mortgage Servicing Rights Unobservable Inputs) (Details) - Financial Services - Level 3 |
Feb. 28, 2022 |
Nov. 30, 2021 |
|---|---|---|
| Mortgage prepayment rate | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Unobservable inputs for valuation of mortgage servicing rights | 0.11 | 0.13 |
| Discount rate | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Unobservable inputs for valuation of mortgage servicing rights | 0.13 | 0.13 |
| Delinquency rate | ||
| Fair Value Measurement Inputs and Valuation Techniques [Line Items] | ||
| Unobservable inputs for valuation of mortgage servicing rights | 0.05 | 0.04 |