Commitments, Contingencies and Guarantees - Guarantees (Details) $ in Millions	Feb. 28, 2022 USD ($)
Derivative contracts—non-credit related
Guarantee Obligations [Line Items]
2022	$ 13,370.4
2023	8,083.3
2024  and  2025	6,874.9
2026  and  2027	1,621.7
2028  and  Later	0.0
Notional/ Maximum Payout	29,950.3
Written derivative contracts—credit related
Guarantee Obligations [Line Items]
2022	0.0
2023	0.0
2024  and  2025	0.2
2026  and  2027	0.0
2028  and  Later	0.0
Notional/ Maximum Payout	0.2
Total derivative contracts
Guarantee Obligations [Line Items]
2022	13,370.4
2023	8,083.3
2024  and  2025	6,875.1
2026  and  2027	1,621.7
2028  and  Later	0.0
Notional/ Maximum Payout	$ 29,950.5