Commitments, Contingencies and Guarantees - Guarantees (Details) $ in Millions	May 31, 2022 USD ($)
Derivative contracts—non-credit related
Guarantee Obligations [Line Items]
2022	$ 12,365.3
2023	9,290.1
2024  and  2025	9,364.9
2026  and  2027	1,619.7
2028  and  Later	107.0
Notional/ Maximum Payout	32,747.0
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	12,365.3
2023	9,290.1
2024  and  2025	9,365.1
2026  and  2027	1,619.7
2028  and  Later	107.0
Notional/ Maximum Payout	$ 32,747.2