Income Taxes (Tax Effects of Temporary Differences and Carryforwards Giving Rise to Deferred Tax Assets and Liabilities) (Detail) - JPY (¥) ¥ in Millions |
Mar. 31, 2026 |
Mar. 31, 2025 |
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| Assets: | ||||
| Net operating loss carryforwards | ¥ 50,576 | ¥ 48,953 | ||
| Allowance for credit losses | 18,565 | 14,842 | ||
| Investment in securities | 4,109 | 4,581 | ||
| Accrued expenses | 23,644 | 26,516 | ||
| Investment in operating leases | 12,597 | 11,576 | ||
| Property under facility operations | 33,551 | 28,007 | ||
| Installment loans | 7,036 | 8,075 | ||
| Unrealized losses on investment in securities | 245,605 | 158,375 | ||
| Lease liabilities | 76,790 | 74,215 | ||
| Other | [1] | 188,081 | 159,391 | |
| Deferred Tax Assets, Gross, Total | 660,554 | 534,531 | ||
| Less: valuation allowance | (44,262) | (35,845) | ||
| Deferred Tax Assets, Net of Valuation Allowance, Total | 616,292 | 498,686 | ||
| Liabilities: | ||||
| Net investment in leases | 13,524 | 12,755 | ||
| Investment in operating leases | 175,410 | 171,455 | ||
| Unrealized gains on investment in securities | 17,966 | 9,259 | ||
| Deferred insurance policy acquisition costs | 96,048 | 90,934 | ||
| Policy liabilities and policy account balances | 397,682 | 263,515 | ||
| Property under facility operations | 37,326 | 33,075 | ||
| Other intangible assets | 148,872 | 143,701 | ||
| Undistributed earnings | 134,589 | 103,808 | ||
| Prepaid benefit cost | 32,689 | 27,224 | ||
| Advances paid | 9,023 | 8,387 | ||
| Right-of-use assets | 73,828 | 72,034 | ||
| Other | 43,256 | 24,834 | ||
| Deferred Tax Liabilities, Net, Total | 1,180,213 | 960,981 | ||
| Net deferred tax liability | ¥ 563,921 | ¥ 462,295 | ||
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- Definition Deferred Tax Assets, Investments in Operating Leases No definition available.
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- Definition Deferred tax assets, lease liabilities. No definition available.
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- Definition Deferred Tax Assets, Loans No definition available.
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- Definition Deferred tax assets tax assets deferred expenses reserves and accruals allowances for credit losses. No definition available.
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- Definition Deferred tax liabilities advance paid. No definition available.
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- Definition Deferred tax liabilities investment in lease. No definition available.
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- Definition Deferred Tax Liabilities Investment In Operating Leases No definition available.
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- Definition Deferred Tax Liabilities Other Intangible Assets No definition available.
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- Definition Deferred tax liabilities, right-of-use assets. No definition available.
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- Definition Deferred Tax Liabilities Tax Deferred Expense Reserves And Accruals Policy holder Liabilities No definition available.
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- Definition Deferred Tax Liabilities Unrealized Gains Losses On Investment Securities No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from investments (excludes investments in subsidiaries and equity method investments). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowances, of deferred tax asset attributable to deductible differences from reserves and accruals, compensation and benefit costs, and other provisions, reserves, and allowances. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The amount as of the balance sheet date of the estimated future tax effects attributable to policy acquisition costs being expensed for tax purposes but capitalized in conformity with generally accepted accounting principles, which will reverse in future periods when amortization of such capitalized costs cannot be deducted for tax purposes. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences classified as other. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax consequences attributable to taxable temporary differences derived from prepaid expenses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiary and other recognized entity not within country of domicile. Includes, but is not limited to, other basis differences. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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