XML 98 R45.htm IDEA: XBRL DOCUMENT v3.22.2
Employee benefit plans (Tables)
12 Months Ended
Mar. 31, 2022
Employee Benefit Plans [Abstract]  
Net periodic benefit cost for defined benefit plans
 
    
Millions of yen
 
    
Year ended March 31
 
    
2020
   
2021
   
2022
 
Service cost
   ¥ 12,079     ¥ 6,721     ¥ 6,452  
Interest cost
     1,766       1,786       2,042  
Expected return on plan assets
     (6,038     (5,826     (6,055
Amortization of net actuarial losses
     5,654       5,519       3,955  
Amortization of prior service cost
     (1,137     (1,521     (1,599
    
 
 
   
 
 
   
 
 
 
Net periodic benefit cost
   ¥ 12,324     ¥ 6,679     ¥ 4,795  
    
 
 
   
 
 
   
 
 
 
Reconciliation of changes in projected benefit obligation and fair value of plan assets
 
 
  
Millions of yen
 
 
  
As of or for the
year ended March 31
 
 
  
2021
 
 
2022
 
Change in projected benefit obligation:
                
Projected benefit obligation at beginning of year
   ¥ 303,523     ¥ 295,810  
Service cost
     6,721       6,452  
Interest cost
     1,786       2,042  
Actuarial gain
     (3,593     1,433  
Benefits paid
     (12,656     (12,683
Acquisition, divestitures and other
     29       (15
    
 
 
   
 
 
 
Projected benefit obligation at end of year
   ¥ 295,810     ¥ 293,039  
    
 
 
   
 
 
 
Change in plan assets:
                
Fair value of plan assets at beginning of year
   ¥ 225,744     ¥ 234,747  
Actual return on plan assets
     19,126       5,464  
Employer contributions
     825       815  
Benefits paid
     (10,948     (9,565
    
 
 
   
 
 
 
Fair value of plan assets at end of year
   ¥ 234,747     ¥ 231,461  
    
 
 
   
 
 
 
Funded status at end of year
     (61,063     (61,578
    
 
 
   
 
 
 
Amounts recognized in the consolidated balance sheets
   ¥ (61,063   ¥ (61,578
    
 
 
   
 
 
 
Projected benefit obligation, accumulated benefit obligation and fair value of plan assets for pension plans with ABO and PBO in excess of plan assets
 
    
Millions of yen
 
    
March 31
 
    
2021
    
2022
 
Plans with ABO in excess of plan assets:
                 
PBO
   ¥ 61,063      ¥ 62,457  
ABO
     61,063        62,457  
Fair value of plan assets
     —          —    
Plans with PBO in excess of plan assets:
                 
PBO
   ¥ 61,063      ¥ 62,457  
ABO
     61,063        62,457  
Fair value of plan assets
     —          —    
Amounts in accumulated other comprehensive income, pre-tax, that have not yet been recognized as components of net periodic benefit cost
 
    
Millions of yen
 
    
For the year ended

March 31, 2022
 
Net actuarial loss
   ¥ 82,734  
Net prior service cost
     (8,114
    
 
 
 
Total
   ¥ 74,620  
    
 
 
 
Amounts in accumulated other comprehensive income, pre-tax, expected to be recognized as components of net periodic benefit cost over next fiscal year
 
    
Millions of yen
 
    
For the year ending

March 31, 2023
 
Net actuarial loss
   ¥ 3,818  
Net prior service cost
     (1,665
    
 
 
 
Total
   ¥ 2,153  
    
 
 
 
Schedule of weighted-average assumptions used to determine PBO
 
    
March 31
 
    
2021
   
2022
 
Discount rate
     0.7     0.8
Rate of increase in compensation levels
     0.3     0.3
Interest crediting rate
     2.9     2.9
 
Weighted-average assumptions used to determine net periodic benefit costs
 

    
Year ended March 31
 
    
2020
   
2021
   
2022
 
Discount rate
     0.6     0.6     0.7
Rate of increase in compensation levels
     1.6     0.3     0.3
Expected long-term rate of return on plan assets
     2.6     2.6     2.6
Interest crediting rate
     3.3     3.0     2.9
Information about plan assets at fair value
 
    
Millions of yen
 
    
March 31, 2021
 
    
Level 1
    
Level 2
    
Level 3
    
Balance as of

March 31,
2021
 
Pension plan assets:
                                   
Private equity and pooled investments
(1)
  
¥
—       
¥
614     
¥
33,384     
¥
33,998  
Japanese government securities
     21,047        —          —          21,047  
Investment trust funds and other
(2)(3)
     —          24,581        36,335        60,916  
Life insurance company general accounts
     —          72,106        —          72,106  
Other assets
     —          35,857        —          35,857  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
   ¥ 21,047      ¥ 133,158      ¥ 69,719      ¥    223,924  
    
 
 
    
 
 
    
 
 
    
 
 
 
 
 
    
Millions of yen
 
    
March 31, 2022
 
    
Level 1
    
Level 2
    
Level 3
    
Balance as of

March 31,
2022
 
Pension plan assets:
                                   
Private equity and pooled investments
(1)
  
¥
—        
¥
740     
¥
29,081     
¥
29,821  
Japanese government securities
     20,469        —           —           20,469  
Investment trust funds and other
(2)(3)
     —           19,842        27,575        47,417  
Life insurance company general accounts
     —           73,314        —           73,314  
Other assets
     —           33,575        —           33,575  
    
 
 
    
 
 
    
 
 
    
 
 
 
Total
   ¥ 20,469      ¥ 127,471      ¥ 56,656      ¥     204,596  
    
 
 
    
 
 
    
 
 
    
 
 
 
 
(1)
Includes corporate type equity investments.
(2)
Includes
p
rimar
i
ly
debt investment funds. Hedge funds and real estate funds are also included.
(3)
Certain assets that are measured at fair value using net asset value per share as a practical expedient have not been classified in the fair value hierarchy. As of March 31, 2021 and 2022, the fair values of these assets were ¥10,823 million and ¥26,865 million, respectively.
Information about plan assets for which Level 3 inputs are utilized to determine fair value
 
    
Millions of yen
 
    
Year ended March 31, 2021
       
    
Balance

as of

April 1,

2020
    
Unrealized

and realized

gains / (loss)
    
Purchases /

sales and

other

settlement
   
Balance

as of

March 31,

2021
 
Private equity and pooled investments
   ¥ 23,465      ¥ 11,225      ¥ (1,306   ¥ 33,384  
Investment trust funds and other
     41,616        2,925        (8,206     36,335  
    
 
 
    
 
 
    
 
 
   
 
 
 
Total
   ¥ 65,081      ¥ 14,150      ¥ (9,512   ¥ 69,719  
    
 
 
    
 
 
    
 
 
   
 
 
 
 
 
  
Millions of yen
 
 
  
Year ended March 31, 2022
 
 
 
 
 
  
Balance

as of

April 1,

2021
 
  
Unrealized

and realized

gains / (loss)
 
 
Purchases /

sales and

other

settlement
 
 
Balance

as of

March 31,

2022
 
Private equity and pooled investments
  
¥
33,384
 
  
¥
1,374
 
 
¥
(5,677
 
¥
29,081
 
Investment trust funds and other
  
 
36,335
 
  
 
(532
 
 
(8,228
 
 
27,575
 
 
  
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
Total
  
¥
69,719
 
  
¥
842
 
 
¥
(13,905
 
¥
56,656
 
 
  
 
 
 
  
 
 
 
 
 
 
 
 
 
 
 
 

Expected benefit payments
 
Year ending March 31
  
Millions of yen
 
2023
   ¥   14,517  
2024
     14,394  
2025
     15,159  
2026
     14,528  
2027
     13,993  
2028-2032
     62,226