Preferred Stock (Narrative) (Detail) - ¥ / shares |
Mar. 31, 2025 |
Mar. 31, 2024 |
Mar. 31, 2023 |
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| Class of Stock [Line Items] | |||
| Number of preferred stock outstanding (in shares) | 0 | 0 | 0 |
| Class 5 preferred stock | |||
| Class of Stock [Line Items] | |||
| Stock authorized (in shares) | 400,000,000 | ||
| Liquidation distribution (per share) | ¥ 2,500 | ||
| Class 6 preferred stock | |||
| Class of Stock [Line Items] | |||
| Stock authorized (in shares) | 200,000,000 | ||
| Liquidation distribution (per share) | ¥ 2,500 | ||
| Class 7 preferred stock | |||
| Class of Stock [Line Items] | |||
| Stock authorized (in shares) | 200,000,000 | ||
| Liquidation distribution (per share) | ¥ 2,500 |
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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. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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