Derivative Financial Instruments (Contingent Features) (Details) - USD ($) $ in Millions |
May 31, 2022 |
Nov. 30, 2021 |
|---|---|---|
| Derivative Instruments and Hedging Activities Disclosure [Abstract] | ||
| Derivative instrument liabilities with credit-risk-related contingent features | $ 411.7 | $ 821.5 |
| Collateral posted | (112.6) | (160.5) |
| Collateral received | 138.0 | 369.3 |
| Return of and additional collateral required in the event of a credit rating downgrade below investment grade | $ 437.1 | $ 1,030.4 |