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v3.25.2

Income Taxes (Reconciliations of Differences between Tax Provision Computed at Statutory Rate and Consolidated Provision for Income Taxes) (Detail) - JPY (¥) ¥ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Income Tax Disclosure [Abstract] |  |  |
Income before income taxes | ¥ 480,463 | ¥ 469,975 | ¥ 392,178
Tax provision computed at the statutory rate | 151,346 | 148,042 | 123,536
Increases (reductions) in taxes due to: |  |  |
Change in valuation allowance | 1,973 | 5,441 | 2,533
Nondeductible expenses | 5,813 | 4,762 | 4,794
Nontaxable income | (5,893) | (3,574) | (3,347)
Effect of lower tax rates on certain subsidiaries | (22,271) | (17,627) | (19,764)
Effect of investor taxes on earnings of subsidiaries | 3,494 | 7,674 | 4,789
Effect of the tax law and rate changes | 2,218 | (1,295) | 180
Effect of sale or liquidation of subsidiaries | (8,423) | (14,995) | (16,754)
Other, net | 571 | 2,960 | (722)
Provision for income taxes | ¥ 128,828 | ¥ 131,388 | ¥ 95,245

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