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Derivative Financial Instruments and Hedging (Tables)
6 Months Ended
Sep. 30, 2024
Derivative Instruments, Gain (Loss) [Line Items]  
Schedule of Effect of Components Excluded From the Assessment of Hedge Effectiveness on the Consolidated Statements of Income
The effect of the components excluded from the assessment of hedge effectiveness on the consolidated statements of income,
pre-tax,
for the six months ended September 30, 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
   ¥ (10,635   ¥  17      ¥ 0  
Options held/written and other
            0         0        25  
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   —     ¥ 0      ¥ 0  
Installment Loans
     15,882      ¥ 0     —       0        0  
 
The effect of the components excluded from the assessment of hedge effectiveness on the consolidated statements of income,
pre-tax,
for the six months ended September 30, 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
   ¥ 14,454      ¥ 12      ¥ 0  
Options held/written and other
            0          0        28  
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 September 30, 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
   ¥ 439,638      ¥ (9   —     ¥ 0      ¥ 0  
Installment Loans
     21,876        0     —       0        0  
Notional Amounts of Derivative Instruments and Other, Fair Values of Derivative Instruments and Other before Offsetting
Notional amounts of derivative instruments and other, fair values of derivative instruments and other before offsetting at March 31, 2024 and September 30, 2024 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    
    —
  ¥ 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 held/written
    1,000       0    
Other Assets
    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.
September 30, 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
  ¥ 725,184     ¥ 14,055     Other Assets   ¥ 3,493     Other Liabilities
Options held/written and other
    65,230       288     Other Assets     3,309     Other Liabilities
Futures, foreign exchange contracts
    786,650       23,145     Other Assets     20,611     Other Liabilities
Foreign currency swap agreements
    113,278       2,210     Other Assets     1,407     Other Liabilities
Foreign currency long-term debt
    141,762       0         —     0         —
Derivatives not designated as hedging instruments:
         
Interest rate swap agreements
  ¥ 1,654     ¥ 129    
Other Assets
  ¥ 3     Other Liabilities
Options held/written and other
    597,370       13,313     Other Assets     11,042     Other Liabilities
Futures, foreign exchange contracts *
    1,554,510       9,935     Other Assets     45,821     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 ¥5,542 million and foreign exchange contracts of ¥1,085 million to economically hedge the minimum guarantee risk of variable annuity and variable life insurance contracts at September 30, 2024, respectively. Derivative assets in the above table include fair value of the futures and foreign exchange contracts before offsetting of ¥1 million and ¥109 million and derivative liabilities include fair value of the futures and foreign exchange contracts before offsetting of ¥209 million and ¥24 million at September 30, 2024, respectively.
Credit Derivatives
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 September 30, 2024 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.
September 30, 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
three years
 
 
   ¥ (4
 
*
Underlying reference company’s credit ratings are A1 or better rated by rating agencies as of September 30, 2024.
Cash flow hedges  
Derivative Instruments, Gain (Loss) [Line Items]  
Effect of Derivative Instruments on Consolidated Statements of Income, Pre-tax
(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
  
¥
4,011
 
 
¥
30
 
  
¥
0
 
Foreign exchange contracts
  
 
170
 
 
 
0
 
  
 
0
 
Foreign currency swap agreements
  
 
5,352
 
 
 
1,001
 
  
 
(6,535
Options held/written and other
  
 
(838
 
 
0
 
  
 
0
 
(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
  
¥
(7,712
 
¥
0
 
  
¥
(68
 
¥
0
 
Foreign exchange contracts
  
 
(803
 
 
0
 
  
 
0
 
 
 
0
 
Foreign currency swap agreements
  
 
(4,906
 
 
0
 
  
 
1,584
 
 
 
4,710
 
Options held/written and other
  
 
(2,193
 
 
4
 
  
 
0
 
 
 
0
 
Fair value hedges  
Derivative Instruments, Gain (Loss) [Line Items]  
Effect of Derivative Instruments on Consolidated Statements of Income, Pre-tax
(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
   ¥ 371     ¥ 0     ¥ (227   ¥ 11  
Foreign exchange contracts
     (55,247     (101     55,301       48  
(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
   ¥ 138     ¥ 40      ¥ (92   ¥ (13
Foreign exchange contracts
     (22,854     142        22,944       (237
Hedges of net investment in foreign operations  
Derivative Instruments, Gain (Loss) [Line Items]  
Effect of Derivative Instruments on Consolidated Statements of Income, Pre-tax
(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
   ¥ (30,436   ¥ (69   ¥ 7,567  
Borrowings and bonds in foreign currencies
     (84,367     0       0  
(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
   ¥ 920     ¥ (790   ¥ 7,635  
Borrowings and bonds in foreign currencies
     (12,854     0       0  
Derivatives not designated as hedging instruments  
Derivative Instruments, Gain (Loss) [Line Items]  
Effect of Derivative Instruments on Consolidated Statements of Income, Pre-tax
(4) Derivatives not designated as hedging instruments
 
                                                 
                                                 
                                                 
    
Millions of yen
 
  
Gains (losses) recognized in income on derivative
 
  
Life insurance premiums and
related investment income*
   
Interest expense
    
Other (income) and
expense
 
Interest rate swap agreements
  
¥
0
 
 
¥
2
 
  
¥
(8
Futures
  
 
(1,557
 
 
0
 
  
 
(685
Foreign exchange contracts
  
 
30,067
 
 
 
1,513
 
  
 
5,077
 
Credit derivatives held/written
  
 
0
 
 
 
0
 
  
 
8
 
Options held/written and other
  
 
0
 
 
 
0
 
  
 
(878
 
*
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 the six months ended September 30, 2023 (see Note 17 “Income and Expenses Relating to Life Insurance Operations”).
(4) Derivatives not designated as hedging instruments
 
                                                 
                                                 
                                                 
    
Millions of yen
 
  
Gains (losses) recognized in income on derivative
 
  
Life insurance premiums and
related investment income*
   
Interest expense
   
Other (income) and
expense
 
Interest rate swap agreements
  
¥
0
 
 
¥
0
 
 
¥
8
 
Futures
  
 
(141
 
 
0
 
 
 
1,259
 
Foreign exchange contracts
  
 
6,698
 
 
 
(10,630
 
 
44,741
 
Credit derivatives held/written
  
 
0
 
 
 
0
 
 
 
0
 
Options held/written and other
  
 
0
 
 
 
0
 
 
 
(522
 
*
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 the six months ended September 30, 2024 (see Note 17 “Income and Expenses Relating to Life Insurance Operations”).