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Derivative Financial Instruments and Hedging | 12 Months Ended
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Mar. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Financial Instruments and Hedging | 27. Derivative Financial Instruments and Hedging Risk management policy The Company and its subsidiaries manage interest rate risk through asset-liability management (“ALM”). The Company and its subsidiaries use derivative financial instruments to hedge interest rate risk and avoid changes in interest rates that could have a significant adverse effect on the Company’s results of operations. As a result of interest rate changes, the fair value and/or cash flow of interest sensitive assets and liabilities will fluctuate. However, such fluctuation will generally be offset by using derivative financial instruments as hedging instruments. Derivative financial instruments that the Company and its subsidiaries use as part of the interest risk management include interest rate swaps. The Company and its subsidiaries appropriately manage exchange rate risk by using means such as foreign currency-denominated loans, foreign exchange contracts and currency swaps to hedge exchange rate volatility in our business transactions in foreign currencies and overseas investments. A certain subsidiary holds futures and foreign exchange contracts for the purpose of economic hedges against minimum guarantee risk of variable annuity and variable life insurance contracts. By using derivative instruments, the Company and its subsidiaries are exposed to credit risk in the event of nonperformance by counterparties. The Company and its subsidiaries attempt to manage the credit risk by carefully evaluating the content of transactions and the quality of counterparties in advance and regularly monitoring the amount of notional principal, fair value, type of transaction and other factors pertaining to each counterparty. The Company and its subsidiaries have no derivative instruments with credit-risk-related contingent features as of March 31, 2024 and 2025. (a) Cash flow hedges The Company and its subsidiaries designate interest rate swap agreements, foreign currency swap agreements and foreign exchange contracts as cash flow hedges for variability of cash flows originating from floating rate borrowings and forecasted transactions and for exchange fluctuations. Net gains (losses) before deducting applicable taxes on derivative contracts were reclassified from other comprehensive income (loss) into earnings when earnings were affected by the variability in cash flows of the designated hedged item. The amounts of these net gains (losses) after deducting applicable taxes were net losses of ¥1,438 million, net gain of ¥2,947 million and net losses of ¥8,866 million during fiscal 2023, 2024 and 2025, respectively. The amount of net derivative gain, ¥2,062 million, included in other comprehensive income (loss), net of applicable income taxes at March 31, 2025 will be reclassified into earnings within fiscal 2026. (b) Fair value hedges The Company and its subsidiaries use financial instruments designated as fair value hedges to hedge their exposure to interest rate risk and foreign currency exchange risk. A certain subsidiary designates foreign exchange contracts to minimize foreign currency exposures on bonds in foreign currencies in the insurance business. The subsidiary also uses interest rate swap agreements to hedge interest rate exposure of the fair values of bonds in foreign currencies in the insurance business. (c) Hedges of net investment in foreign operations The Company and its subsidiaries use foreign exchange contracts and borrowings and bonds denominated in foreign currencies to hedge the foreign currency exposure of the net investment in overseas subsidiaries and equity method investments. (d) Derivatives not designated as hedging instruments The Company and its subsidiaries entered into interest rate swap agreements, futures and foreign exchange contracts for risk management purposes which are not qualified for hedge accounting. A certain subsidiary holds futures and foreign exchange contracts for the purpose of economic hedges against minimum guarantee risk of variable annuity and variable life insurance contracts. The effect of derivative instruments on the consolidated statements of income, pre-tax, for fiscal 2023 is as follows. (1) Cash flow hedges
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Interest expense |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 23,838 |  |  | ¥ | 175 |  |  | ¥ | 0 |
Foreign exchange contracts |  |  | (184 | ) |  |  | (893 | ) |  |  | 893 |
Foreign currency swap agreements |  |  | (2,268 | ) |  |  | 766 |  |  |  | 905 |
Options held/written and other |  |  | (48 | ) |  |  | 0 |  |  |  | 0 |
(2) Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative and other |  |  | Gains (losses) recognized in income on hedged item |
|  | Life insurance premiums and related investment income |  |  | Other (income) and expense |  |  | Life insurance premiums and related investment income |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 2,633 |  |  | ¥ | 0 |  |  | ¥ | (2,499 | ) |  | ¥ | 0 |
Foreign exchange contracts |  |  | (42,947 | ) |  |  | (412 | ) |  |  | 43,006 |  |  |  | 332 |
(3) Hedges of net investment in foreign operations
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative and others |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Gains on sales of subsidiaries and equity method investments and liquidation losses, net |  |  | Interest expense |  |  | Other (income) and expense |
Foreign exchange contracts |  | ¥ | (21,316 | ) |  | ¥ | (7,874 | ) |  | ¥ | 7,051 |  |  | ¥ | (252 | )
Borrowings and bonds in foreign currencies |  |  | (66,947 | ) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
(4) Derivatives not designated as hedging instruments
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative |
|  | Life insurance premiums and related investment income*1 |  |  | Interest expense*2 |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 0 |  |  | ¥ | 5 |  |  | ¥ | (222 | )
Futures |  |  | (855 | ) |  |  | 0 |  |  |  | (1,300 | )
Foreign exchange contracts |  |  | 21,659 |  |  |  | 4,231 |  |  |  | 49,589 |
Credit derivatives held/written |  |  | 0 |  |  |  | 0 |  |  |  | 3 |
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | 1,828 |
*1 | Futures and foreign exchange contracts in the above table include gains (losses) arising from futures and foreign exchange contracts held to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts for fiscal 2023 (see Note 23 “Income and Expenses Relating to Life Insurance Operations”).
*2 | The portion of gains (losses) recognized in income on derivative arising from foreign exchange contracts that represents interest rate adjustments is recognized as interest expense.
The effect of derivative instruments on the consolidated statements of income, pre-tax, for fiscal 2024 is as follows. (1) Cash flow hedges
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | (5,090 | ) |  | ¥ | 0 |  |  | ¥ | (114 | ) |  | ¥ | 0 |
Foreign exchange contracts |  |  | (57 | ) |  |  | 0 |  |  |  | 0 |  |  |  | 0 |
Foreign currency swap agreements |  |  | 2,733 |  |  |  | 0 |  |  |  | 2,521 |  |  |  | (6,299 | )
Options held/written and other |  |  | (1,092 | ) |  |  | (0 | ) |  |  | 0 |  |  |  | 0 |
(2) Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative and other |  |  | Gains (losses) recognized in income on hedged item |
|  | Life insurance premiums and related investment income |  |  | Other (income) and expense |  |  | Life insurance premiums and related investment income |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | (216 | ) |  | ¥ | 0 |  |  | ¥ | 335 |  |  | ¥ | 0 |
Foreign exchange contracts |  |  | (61,917 | ) |  |  | (130 | ) |  |  | 62,028 |  |  |  | 42 |
(3) Hedges of net investment in foreign operations
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative and others |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Gains on sales of subsidiaries and equity method investments and liquidation losses, net |  |  | Interest expense |
Foreign exchange contracts |  | ¥ | (41,341 | ) |  | ¥ | (87 | ) |  | ¥ | 14,865 |
Borrowings and bonds in foreign currencies |  |  | (97,221 | ) |  |  | 0 |  |  |  | 0 |
(4) Derivatives not designated as hedging instruments
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative |
|  | Life insurance premiums and related investment income*1 |  |  | Interest expense*2 |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 0 |  |  | ¥ | 4 |  |  | ¥ | 92 |
Futures |  |  | (3,046 | ) |  |  | 0 |  |  |  | 1,073 |
Foreign exchange contracts |  |  | 40,127 |  |  |  | 2,980 |  |  |  | 16,152 |
Credit derivatives held/written |  |  | 0 |  |  |  | 0 |  |  |  | (27 | )
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | 750 |
*1 | Futures and foreign exchange contracts in the above table include gains (losses) arising from futures and foreign exchange contracts held to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts for fiscal 2024 (see Note 23 “Income and Expenses Relating to Life Insurance Operations”).
*2 | The portion of gains (losses) recognized in income on derivative arising from foreign exchange contracts that represents interest rate adjustments is recognized as interest expense.
The effect of derivative instruments on the consolidated statements of income, pre-tax, for fiscal 2025 is as follows. (1) Cash flow hedges
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | (2,226 | ) |  | ¥ | 0 |  |  | ¥ | (446 | ) |  | ¥ | 0 |
Foreign exchange contracts |  |  | 2,179 |  |  |  | 0 |  |  |  | 694 |  |  |  | 0 |
Foreign currency swap agreements |  |  | (10,239 | ) |  |  | 0 |  |  |  | 2,977 |  |  |  | 8,262 |
Options held/written and other |  |  | (8,059 | ) |  |  | 14 |  |  |  | 0 |  |  |  | 0 |
(2) Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative and other |  |  | Gains (losses) recognized in income on hedged item |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |  |  | Life insurance premiums and related investment income |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 147 |  |  | ¥ | 0 |  |  | ¥ | (91 | ) |  | ¥ | (101 | ) |  | ¥ | 92 |
Foreign exchange contracts |  |  | (6,028 | ) |  |  | 968 |  |  |  | (1,223 | ) |  |  | 6,090 |  |  |  | 959 |
(3) Hedges of net investment in foreign operations
|  | Millions of yen |
|  | Gains (losses) recognized in other comprehensive income on derivative and others |  |  | Gains (losses) reclassified from other comprehensive income (loss) into income |
|  | Gains on sales of subsidiaries and equity method investments and liquidation losses, net |  |  | Interest expense |
Foreign exchange contracts |  | ¥ | 1,488 |  |  | ¥ | (15,995 | ) |  | ¥ | 10,597 |
Borrowings and bonds in foreign currencies |  |  | (13,601 | ) |  |  | 0 |  |  |  | 0 |
(4) Derivatives not designated as hedging instruments
|  | Millions of yen |
|  | Gains (losses) recognized in income on derivative |
|  | Life insurance premiums and related investment income*1 |  |  | Interest expense*2 |  |  | Other (income) and expense |
Interest rate swap agreements |  | ¥ | 0 |  |  | ¥ | 0 |  |  | ¥ | 39 |
Futures |  |  | (262 | ) |  |  | 0 |  |  |  | 300 |
Foreign exchange contracts |  |  | (10,355 | ) |  |  | (22,260 | ) |  |  | (1,910 | )
Credit derivatives held/written |  |  | 0 |  |  |  | 0 |  |  |  | (0 | )
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | (7,399 | )
*1 | Futures and foreign exchange contracts in the above table include gains (losses) arising from futures and foreign exchange contracts held to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts for fiscal 2025 (see Note 23 “Income and Expenses Relating to Life Insurance Operations”).
*2 | The portion of gains (losses) recognized in income on derivative arising from foreign exchange contracts that represents interest rate adjustments is recognized as interest expense.
The effect of the components excluded from the assessment of hedge effectiveness on the consolidated statements of income, pre-tax, for fiscal 2023 is as follows. Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |
Foreign exchange contracts |  | ¥ | (12,299 | ) |  | ¥ | 20 |  |  | ¥ | 0 |
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | 55 |
The effect of the components excluded from the assessment of hedge effectiveness on the consolidated statements of income, pre-tax, for fiscal 2024 is as follows. Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |
Foreign exchange contracts |  | ¥ | (25,208 | ) |  | ¥ | 31 |  |  | ¥ | 0 |
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | 57 |
The carrying amount of hedged assets and liabilities recognized in balance sheets in fair value hedges and the cumulative amount of fair value hedging adjustments included in the carrying amount (excluding the effect of changes in foreign exchange rates) at March 31, 2024 is as follows.
Assets as hedged items in fair value hedges |  |  | Liabilities as hedged items in fair value hedges |
|  | Millions of yen |  |  |  |  |  | Millions of yen |
Consolidated balance sheets location |  | Carrying amount |  |  | The cumulative amount of fair value hedging adjustments included in the carrying amount |  |  | Consolidated balance sheets location |  |  | Carrying amount |  |  | The cumulative amount of fair value hedging adjustments included in the carrying amount |
Investment in Securities |  | ¥ | 489,908 |  |  | ¥ | (1,088 | ) |  |  | — |  |  | ¥ | — |  |  | ¥ | — |
Installment Loans |  |  | 15,882 |  |  | ¥ | 0 |  |  |  | — |  |  |  | — |  |  |  | — |
The effect of the components excluded from the assessment of hedge effectiveness on the consolidated statements of income, pre-tax, for fiscal 2025 is as follows. Fair value hedges
|  | Millions of yen |
|  | Gains (losses) recognized in income |
|  | Life insurance premiums and related investment income |  |  | Interest expense |  |  | Other (income) and expense |
Foreign exchange contracts |  | ¥ | 24,143 |  |  | ¥ | 14 |  |  | ¥ | 0 |
Options held/written and other |  |  | 0 |  |  |  | 0 |  |  |  | 41 |
The carrying amount of hedged assets and liabilities recognized in balance sheets in fair value hedges and the cumulative amount of fair value hedging adjustments included in the carrying amount (excluding the effect of changes in foreign exchange rates) at March 31, 2025 is as follows.
Assets as hedged items in fair value hedges |  |  | Liabilities as hedged items in fair value hedges |
|  | Millions of yen |  |  |  |  |  | Millions of yen |
Consolidated balance sheets location |  | Carrying amount |  |  | The cumulative amount of fair value hedging adjustments included in the carrying amount |  |  | Consolidated balance sheets location |  |  | Carrying amount |  |  | The cumulative amount of fair value hedging adjustments included in the carrying amount |
Investment in Securities |  | ¥ | 491,447 |  |  | ¥ | 0 |  |  |  | Long-term Debt |  |  | ¥ | 28,220 |  |  | ¥ | 0 |
Installment Loans |  | 22,451 |  |  |  | (92 | ) |  |  | — |  |  |  | — |  |  |  | — |
Notional amounts of derivative instruments and other, fair values of derivative instruments and other before offsetting at March 31, 2024 and 2025 are as follows. March 31, 2024
|  |  |  |  | Derivative assets |  |  | Derivative liabilities |
|  | Notional amount |  |  | Fair value |  |  | Consolidated balance sheets location |  |  | Fair value |  |  | Consolidated balance sheets location |
|  | Millions of yen |  |  | Millions of yen |  |  | Millions of yen |
Derivatives designated as hedging instruments and other: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreements |  | ¥ | 518,990 |  |  | ¥ | 18,889 |  |  |  | Other Assets |  |  | ¥ | 3,722 |  |  |  | Other Liabilities |
Options held/written and other |  |  | 44,774 |  |  |  | 40 |  |  |  | Other Assets |  |  |  | 1,039 |  |  |  | Other Liabilities |
Futures, foreign exchange contracts |  |  | 958,260 |  |  |  | 2,841 |  |  |  | Other Assets |  |  |  | 63,703 |  |  |  | Other Liabilities |
Foreign currency swap agreements |  |  | 113,962 |  |  |  | 470 |  |  |  | Other Assets |  |  |  | 6,563 |  |  |  | Other Liabilities |
Foreign currency long-term debt |  |  | 849,630 |  |  |  | 0 |  |  |  | — |  |  |  | 0 |  |  |  | — |
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreements |  | ¥ | 1,930 |  |  | ¥ | 106 |  |  |  | Other Assets |  |  | ¥ | 6 |  |  |  | Other Liabilities |
Options held/written and other |  |  | 468,422 |  |  |  | 15,309 |  |  |  | Other Assets |  |  |  | 13,355 |  |  |  | Other Liabilities |
Futures, foreign exchange contracts* |  |  | 646,085 |  |  |  | 35,331 |  |  |  | Other Assets |  |  |  | 7,294 |  |  |  | Other Liabilities |
Credit derivatives written |  |  | 1,000 |  |  |  | 0 |  |  |  | — |  |  |  | 4 |  |  |  | Other Liabilities |
*  The notional amounts of futures and foreign exchange contracts in the above table include futures contracts of ¥4,863 million and foreign exchange contracts of ¥524 million to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts at March 31, 2024, respectively. Derivative assets in the above table include fair value of the futures and foreign exchange contracts before offsetting of ¥0 million and ¥9 million and derivative liabilities include fair value of the futures and foreign exchange contracts before offsetting of ¥170 million and ¥94 million at March 31, 2024, respectively. March 31, 2025 |
|  |  |  |  | Derivative assets |  |  | Derivative liabilities |
|  | Notional amount |  |  | Fair value |  |  | Consolidated balance sheets location |  |  | Fair value |  |  | Consolidated balance sheets location |
|  | Millions of yen |  |  | Millions of yen |  |  | Millions of yen |
Derivatives designated as hedging instruments and other: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreements |  | ¥ | 676,691 |  |  | ¥ | 17,788 |  |  |  | Other Assets |  |  | ¥ | 2,768 |  |  |  | Other Liabilities |
Options held/written and other |  |  | 94,608 |  |  |  | 98 |  |  |  | Other Assets |  |  |  | 7,323 |  |  |  | Other Liabilities |
Futures, foreign exchange contracts |  |  | 932,649 |  |  |  | 9,515 |  |  |  | Other Assets |  |  |  | 25,445 |  |  |  | Other Liabilities |
Foreign currency swap agreements |  |  | 303,060 |  |  |  | 9,570 |  |  |  | Other Assets |  |  |  | 159 |  |  |  | Other Liabilities |
Foreign currency long-term debt |  |  | 250,702 |  |  |  | 0 |  |  |  | — |  |  |  | 0 |  |  |  | — |
Derivatives not designated as hedging instruments: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest rate swap agreements |  | ¥ | 1,477 |  |  | ¥ | 81 |  |  |  | Other Assets |  |  | ¥ | 6 |  |  |  | Other Liabilities |
Options held/written and other |  |  | 582,939 |  |  |  | 15,669 |  |  |  | Other Assets |  |  |  | 6,392 |  |  |  | Other Liabilities |
Futures, foreign exchange contracts* |  |  | 1,592,590 |  |  |  | 11,449 |  |  |  | Other Assets |  |  |  | 13,942 |  |  |  | Other Liabilities |
Credit derivatives written |  |  | 1,000 |  |  |  | 0 |  |  |  | — |  |  |  | 3 |  |  |  | Other Liabilities |
* | The notional amounts of futures and foreign exchange contracts in the above table include futures contracts of ¥5,575 million and foreign exchange contracts of ¥2,205 million to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts at March 31, 2025, respectively. Derivative assets in the above table include fair value of the futures and foreign exchange contracts before offsetting of ¥38 million and ¥38 million and derivative liabilities include fair value of the futures and foreign exchange contracts before offsetting of ¥57 million and ¥11 million at March 31, 2025, respectively.
The Company and its subsidiaries have contracted credit derivatives for the purpose of trading. Details of credit derivatives written as of March 31, 2024 and 2025 are as follows. March 31, 2024
Types of derivatives |  | The events or circumstances that would require the seller to perform under the credit derivative |  | Maximum potential amount of future payment under the credit derivative |  |  | Approximate remaining term of the credit derivative |  | Fair value of the credit derivative |
| Millions of yen |  |  | Millions of yen |
Credit default swap |  | In case of credit event (bankruptcy, failure to pay, restructuring) occurring in underlying reference company* |  | ¥ | 1,000 |  |  | Less than four years |  | ¥ | (4 | )
*  Underlying reference company’s credit ratings are A1 or better rated by rating agencies as of March 31, 2024. March 31, 2025 |
Types of derivatives |  | The events or circumstances that would require the seller to perform under the credit derivative |  | Maximum potential amount of future payment under the credit derivative |  |  | Approximate remaining term of the credit derivative |  | Fair value of the credit derivative |
| Millions of yen |  |  | Millions of yen |
Credit default swap |  | In case of credit event (bankruptcy, failure to pay, restructuring) occurring in underlying reference company* |  | ¥ | 1,000 |  |  | Less than three years |  | ¥ | (3 | )
* | Underlying reference company’s credit ratings are A1 or better rated by rating agencies as of March 31, 2025.

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480237/815-40-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 815 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5C -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480434/815-10-50-5C Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 815 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/815/tableOfContent + Details
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