Civil damages commitments payable.

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- Definition

Commitments amount under repurchase agreements including amounts in connection with collateralized agreements, collateralized financing and Gensaki transactions.

+ References

No definition available.

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- Definition

Commitments amount under resale agreements including amounts in connection with collateralized agreements, collateralized financing and Gensaki transactions.

+ References

No definition available.

+ Details

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- Definition

Commitments and Contingencies Disclosure [Line Items]

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No definition available.

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- Definition

Commitments to purchase client notes.

+ References

No definition available.

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- Definition

Amount the plaintiff is seeking recovery of payments

+ References

No definition available.

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- Definition

Repurchase claims.

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No definition available.

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- Definition

Amount, Syndicated loan receivable

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No definition available.

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- Definition

Amount of loss contingency liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147483076/450-20-50-10

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- Definition

Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges.

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- Definition

The value (monetary amount) of the award the plaintiff seeks in the legal matter.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 450
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147483076/450-20-50-1

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
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- References

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- Definition

The difference between the maximum amount of estimated loss and the amount recorded as of the balance sheet date.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 275
-SubTopic 10
-Name Accounting Standards Codification
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- Definition

Amount of unrecorded obligation to transfer funds in future for fixed or minimum amount or quantity of product and service at fixed or minimum price. Includes, but is not limited to, lease not yet commenced and take-or-pay and throughput contracts.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 440
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Commitments, contingencies and guarantees - Additional information (Detail) € in Millions, ¥ in Millions, $ in Millions, ₨ in Billions		1 Months Ended						12 Months Ended
	May 20, 2021 EUR (€)	Mar. 31, 2025 EUR (€)	Nov. 30, 2023 USD ($)	Aug. 31, 2022 INR (₨)	May 31, 2019 EUR (€)	Jan. 31, 2018 EUR (€)	Sep. 30, 2017 USD ($)	Mar. 31, 2026 JPY (¥)	Mar. 31, 2026 USD ($)	Mar. 31, 2025 JPY (¥)	Jun. 22, 2026 JPY (¥)	Oct. 31, 2024 EUR (€)	Jun. 30, 2012 USD ($)	Nov. 30, 2011 USD ($)
Contingencies
Repurchase claims								¥ 3,203
Other Liabilities [Member]
Contingencies
Liability in respect of outstanding and unsettled investigations								13,077		¥ 14,240
Subsequent event [Member]
Contingencies
Current estimate of maximum reasonably possible loss											¥ 62,000
Two actions by Fairfield Sentry Ltd. and Fairfield Sigma Ltd. [Member]
Contingencies
Recovery of payment \| $													$ 34.0
Claim filed by the Madoff Trustee [Member]
Contingencies
Recovery of payment \| $														$ 24.4
Action by Alken Fund Sicav and Alken Luxembourg S.A [Member]
Contingencies
Amount of damages sought \| €						€ 434.0
Action by York Global Finance Offshore BDH (Luxembourg) Sarl and a number of seemingly related funds [Member]
Contingencies
Amount of damages sought \| €					€ 186.7
Action By European Commission For Infringing The Competition Law [Member]
Contingencies
Loss contingency accrual provision \| €	€ 129.6	€ 125.6
Action by FT Syndicate Banks [Member]
Contingencies
Syndicate term loan \| $							$ 100.0
Amount of damages sought \| $			$ 63.0				$ 68.0
Action By Bombay High Court [Member]
Contingencies
Amount of damages sought \| ₨				₨ 5.2
Action by Prosecutor of the Court of Auditors in Italy [Member]
Contingencies
Civil damages \| €												€ 122.8
Counterparty Issued A Claim In The English Courts [Member]
Contingencies
Amount of damages sought \| $									$ 50.0
Other commitments [Member]
Commitments and Contingencies Disclosure [Line Items]
Purchase obligations for goods or services								110,732
Resale agreements								4,084,000		1,880,000
Repurchase agreements								2,322,000		1,305,000
Commitments to purchase client notes								58,000		33,000
Other commitments [Member] \| Maintenance Agreements [Member]
Commitments and Contingencies Disclosure [Line Items]
Purchase obligations for goods or services								¥ 110,732		¥ 91,877