Commitments, Contingencies and Guarantees - Summary of Notional Amounts Associated with Derivative Contracts (Details) $ in Millions	Nov. 30, 2019 USD ($)
Derivative contracts – non-credit related
Guarantor Obligations [Line Items]
2020	$ 9,854.0
2021	3,150.8
2022 and 2023	4,453.6
2024 and 2025	1,044.8
2026 and Later	48.2
Notional/ Maximum Payout	18,551.4
Written derivative contracts – credit related
Guarantor Obligations [Line Items]
2020	1.5
2021	0.0
2022 and 2023	2.7
2024 and 2025	29.7
2026 and Later	0.0
Notional/ Maximum Payout	33.9
Derivatives
Guarantor Obligations [Line Items]
2020	9,855.5
2021	3,150.8
2022 and 2023	4,456.3
2024 and 2025	1,074.5
2026 and Later	48.2
Notional/ Maximum Payout	$ 18,585.3

Guarantees expected to be due within 5 to 6 fiscal years. These may include, derivative guarantees, etc.

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- Definition

Guarantees expected to be due within 2 year. These may include, derivative guarantees, etc.

+ References

No definition available.

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- Definition

Guarantees expected to be due within 3 to 4 fiscal years. These may include, derivative guarantees, etc.

+ References

No definition available.

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- Definition

Guarantees Expected To Be Due, Next Twelve Months

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No definition available.

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- Definition

Guarantees expected to be due within 6 fiscal years and thereafter. These may include, derivative guarantees, etc

+ References

No definition available.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=115931803&loc=d3e12069-110248

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