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Income and Expenses Relating to Life Insurance Operations | 12 Months Ended
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Mar. 31, 2025
Insurance [Abstract] |
Income and Expenses Relating to Life Insurance Operations | 23. Income and Expenses Relating to Life Insurance Operations Life insurance premiums and related investment income in fiscal 2023, 2024 and 2025 consist of the following:
|  | Millions of yen |
|  | 2023 |  |  | 2024 |  |  | 2025 |
Life insurance premiums |  | ¥ | 451,404 |  |  | ¥ | 459,655 |  |  | ¥ | 481,432 |
Life insurance related investment income* |  |  | 42,666 |  |  |  | 99,268 |  |  |  | 33,827 |
|  | ¥ | 494,070 |  |  | ¥ | 558,923 |  |  | ¥ | 515,259 |
* | Life insurance related investment income in fiscal 2023, 2024 and 2025 include net unrealized holding gains of ¥ 851 million, ¥43,301 million and ¥2,577 million on equity securities held as of March 31, 2023, 2024 and 2025, respectively.
Life insurance premiums include reinsurance benefits, net of reinsurance premiums. For fiscal 2023, 2024 and 2025, reinsurance benefits and reinsurance premiums included in life insurance premiums are as follows:
|  | Millions of yen |
|  | 2023 |  |  | 2024 |  |  | 2025 |
Reinsurance benefits |  | ¥ | 3,239 |  |  | ¥ | 3,452 |  |  | ¥ | 10,634 |
Reinsurance premiums |  |  | (4,891 | ) |  |  | (4,937 | ) |  |  | (5,119 | )
Life insurance premiums and related investment income include net realized and unrealized gains or losses from investment assets under management on behalf of variable annuity and variable life policyholders, and net gains or losses from derivative contracts, which consist of gains or losses from futures and foreign exchange contracts, entered to economically hedge a portion of the minimum guarantee risk relating to variable annuity and variable life insurance contracts. In addition, the fair value option was elected for the entire variable annuity and variable life insurance contracts to offset earnings recognized for gains or losses from the investment assets managed on behalf of variable annuity and variable life policyholders, derivative contracts and the changes in the fair value of reinsurance contracts. Life insurance costs include the net amount of the changes in fair value of the variable annuity and variable life insurance contracts for which the fair value option was elected and insurance costs recognized for insurance and annuity payouts as a result of insured events. Certain subsidiaries have elected the fair value option for certain reinsurance contracts to partially offset the changes in fair value recognized in earnings of the policy liabilities and policy account balances attributable to the changes in the minimum guarantee risks of the variable annuity and variable life insurance contracts, and the changes in the fair value of the reinsurance contracts were recorded in life insurance costs. The portion of the total change in the fair value of variable annuity and variable life insurance contracts that results from a change in the instrument-specific credit risk is recognized in other comprehensive income (loss), net of applicable income taxes. The above mentioned gains or losses relating to variable annuity and variable life insurance contracts for fiscal 2023, 2024 and 2025 are mainly as follows:
|  | Millions of yen |
|  | 2023 |  |  | 2024 |  |  | 2025 |
Life insurance premiums and related investment income : |  |  |  |  |  |  |  |  |  |  |  |
Net realized and unrealized gains or losses from investment assets |  | ¥ | (2,312 | ) |  | ¥ | 40,821 |  |  | ¥ | (3,496 | )
Net gains or losses from derivative contract s : |  |  | (1,360 | ) |  |  | (3,568 | ) |  |  | (372 | )
Futures |  |  | (855 | ) |  |  | (3,046 | ) |  |  | (262 | )
Foreign exchange contracts |  |  | (505 | ) |  |  | (522 | ) |  |  | (110 | )
Life insurance costs : |  |  |  |  |  |  |  |  |  |  |  |
Changes in the fair value of the policy liabilities and policy account balances |  | ¥ | (35,097 | ) |  | ¥ | 3,208 |  |  | ¥ | (30,998 | )
Insurance costs recognized for insurance and annuity payouts as a result of insured events |  |  | 28,754 |  |  |  | 26,997 |  |  |  | 23,706 |
Changes in the fair value of the reinsurance contracts |  |  | 538 |  |  |  | 1,890 |  |  |  | 200 |

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- Definition The entire disclosure for the types of coverages and products sold, and the assets, obligations, recorded liabilities, revenues and expenses arising therefrom, and the amounts of and methodologies and assumptions used in determining the amounts of such items. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479838/944-20-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/944/tableOfContent Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c)(4)(ii) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477363/944-310-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 310 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c)(4)(iv) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477363/944-310-50-3 + Details
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