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Derivative Financial Instruments - Unrealized and Realized Gains (Losses) on Derivative Contracts (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Aug. 31, 2025 | Aug. 31, 2024 | Aug. 31, 2025 | Aug. 31, 2024
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) recognized in interest expense on fair value hedge | $ (12,486) | $ (17,303) | $ (37,188) | $ (49,099)
Net settlements | 12,300 | 16,200 | 36,400 | 48,200
Unrealized and realized gains (losses) | 423,528 | 166,820 | 1,742,353 | (20,115)
Interest rate contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized and realized gains (losses) | 242 | 72,271 | (30,970) | 107,103
Foreign exchange contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized and realized gains (losses) | (15,402) | 15,760 | 1,309 | 48,289
Equity contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized and realized gains (losses) | 444,317 | 72,741 | 1,762,483 | (186,617)
Commodity contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized and realized gains (losses) | 3,476 | 6,270 | 16,932 | 24,702
Credit contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Unrealized and realized gains (losses) | (9,105) | (222) | (7,401) | (13,592)
Net investment hedging |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) on net investment hedges recognized in other comprehensive income (loss) | (3,238) | (38,878) | (77,370) | (47,686)
Net investment hedging | Foreign exchange contracts |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) on net investment hedges recognized in other comprehensive income (loss) | (3,238) | (38,878) | (77,370) | (47,686)
Long-term debt |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) recognized in interest expense on fair value hedge | (21,388) | (61,068) | (40,047) | (62,053)
Interest rate swaps |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |
Gains (losses) recognized in interest expense on fair value hedge | $ 8,902 | $ 43,765 | $ 2,859 | $ 12,954

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- Definition Line items represent financial concepts included in a table. 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