FAIR VALUE MEASUREMENTS (Details) - EBP Japan	Jun. 30, 2026 JPY (¥)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 JPY (¥)	Jun. 30, 2024 JPY (¥)
EBP, Investment, Fair Value and NAV [Line Items]
Cash held by the Association	¥ 18,665,259	$ 114,949	¥ 18,189,658
Market value	22,462,822,770	$ 138,335,762	22,936,731,446	¥ 28,160,193,757
Level 1
EBP, Investment, Fair Value and NAV [Line Items]
Cash held by the Association	18,665,259		18,189,658
Market value	¥ 22,462,822,770		¥ 22,936,731,446

Fair value of investment, excluding plan interest in master trust, held by employee stock purchase, saving, or similar plan (employee benefit plan (EBP)). Includes, but is not limited to, derivative, investment measured at net asset value per share as practical expedient, and insurance contract not meeting fully-benefit responsive investment criteria.

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+ Details

- 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.

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