Commitments, Contingencies and Guarantees - Guarantees (Detail) $ in Millions	Aug. 31, 2017 USD ($)
Derivative contracts—non-credit related
Guarantee Obligations [Line Items]
2017	$ 8,530.1
2018	5,114.5
2019 and 2020	2,183.1
2021 and 2022	215.0
2023 and Later	595.7
Notional/ Maximum Payout	16,638.4
Written derivative contracts—credit related
Guarantee Obligations [Line Items]
2017	0.0
2018	41.4
2019 and 2020	10.0
2021 and 2022	279.8
2023 and Later	0.0
Notional/ Maximum Payout	331.2
Derivatives
Guarantee Obligations [Line Items]
2017	8,530.1
2018	5,155.9
2019 and 2020	2,193.1
2021 and 2022	494.8
2023 and Later	595.7
Notional/ Maximum Payout	$ 16,969.6

Guarantees with a remaining term that matures during the fiscal year. These may include derivative guarantees, etc.

No definition available.

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- Definition

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

+ References

No definition available.

+ Details

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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.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Guarantees expected to be due within 7 fiscal years and thereafter. These may include, derivative guarantees, etc

+ References

No definition available.

+ Details

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- Definition

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.

+ Details

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=6851643&loc=d3e12069-110248

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- Details

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