Fair Value Asset And Liabilities Measured On Recurring Basis [Line Items]

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- Definition

Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(3)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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- Definition

Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy.

+ References

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Fair Value Measurements - Additional Information (Detail) - Fair Value, Measurements, Recurring - JPY (¥) ¥ in Millions	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2021
Corporate debt securities
Fair Value Asset And Liabilities Measured On Recurring Basis [Line Items]
Transferred from level 3			¥ 2,000
Investment funds
Fair Value Asset And Liabilities Measured On Recurring Basis [Line Items]
Transferred from level 3		¥ 610	325
Other asset-backed securities and debt securities
Fair Value Asset And Liabilities Measured On Recurring Basis [Line Items]
Transferred from level 2 to level 3			¥ 106
Loans Held-for-Sale
Fair Value Asset And Liabilities Measured On Recurring Basis [Line Items]
Transferred from level 2 to level 3	¥ 176,055