Commitments, Contingencies and Guarantees - Guarantees (Detail) $ in Millions |
May 31, 2016
USD ($)
|
|---|---|
| Guarantee Obligations [Line Items] | |
| Notional/ Maximum Payout | $ 4,631.9 |
| Derivative contracts - non-credit related [Member] | |
| Guarantee Obligations [Line Items] | |
| 2016 | 18,635.1 |
| 2017 | 3,405.0 |
| 2018 and 2019 | 327.4 |
| 2020 and 2021 | 0.0 |
| 2022 and Later | 436.1 |
| Notional/ Maximum Payout | 22,803.6 |
| Written derivative contracts - credit related [Member] | |
| Guarantee Obligations [Line Items] | |
| 2016 | 0.0 |
| 2017 | 0.0 |
| 2018 and 2019 | 91.1 |
| 2020 and 2021 | 248.4 |
| 2022 and Later | 2.5 |
| Notional/ Maximum Payout | 342.0 |
| Derivatives [Member] | |
| Guarantee Obligations [Line Items] | |
| 2016 | 18,635.1 |
| 2017 | 3,405.0 |
| 2018 and 2019 | 418.5 |
| 2020 and 2021 | 248.4 |
| 2022 and Later | 438.6 |
| Notional/ Maximum Payout | $ 23,145.6 |