XML 165 R152.htm IDEA: XBRL DOCUMENT v3.23.2
Pension Plans (Funded Status of Defined Benefit Pension Plans) (Detail) - JPY (¥)
¥ in Millions
 12 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Mar. 31, 2021
Change in benefit obligation:      
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax  
Japan      
Change in benefit obligation:      
Benefit obligation at beginning of year ¥ 111,010 ¥ 114,556  
Service cost 5,704 6,058 ¥ 5,831
Interest cost 731 791 698
Actuarial loss (income) (6,538) (3,977)  
Plan participant's contributions 0 0  
Benefits paid (4,770) (4,776)  
Business combinations 4,733 0  
Plan amendments (1,111) (1,642)  
Foreign currency exchange rate change 0 0  
Benefit obligation at end of year 109,759 111,010 114,556
Change in plan assets:      
Fair value of plan assets at beginning of year 137,317 [1] 134,392  
Actual return on plan assets (3,108) 2,819  
Employer contribution 4,162 3,909  
Plan participant's contributions 0 0  
Benefits paid (3,913) (3,803)  
Business combinations 2,456 0  
Plan amendments (111) 0  
Foreign currency exchange rate change 0 0  
Fair value of plan assets at end of year 136,803 [1] 137,317 [1] 134,392
The funded status of the plans 27,044 26,307  
Amount recognized in the consolidated balance sheets consists of:      
Prepaid benefit cost included in other assets 42,337 40,118  
Accrued benefit liability included in other liabilities (15,293) (13,811)  
Net amount recognized 27,044 26,307  
Overseas plans      
Change in benefit obligation:      
Benefit obligation at beginning of year 121,148 128,573  
Service cost 3,432 3,947 3,288
Interest cost 2,309 1,329 1,711
Actuarial loss (income) (25,124) (18,503)  
Plan participant's contributions 334 295  
Benefits paid (1,131) (1,552)  
Business combinations 196 0  
Plan amendments (285) 254  
Foreign currency exchange rate change 7,537 6,805  
Benefit obligation at end of year 108,416 121,148 128,573
Change in plan assets:      
Fair value of plan assets at beginning of year 127,251 119,858  
Actual return on plan assets (15,709) (836)  
Employer contribution 2,927 2,530  
Plan participant's contributions 334 295  
Benefits paid (962) (1,439)  
Business combinations 175 0  
Plan amendments 0 0  
Foreign currency exchange rate change 8,188 6,843  
Fair value of plan assets at end of year 122,204 127,251 ¥ 119,858
The funded status of the plans 13,788 6,103  
Amount recognized in the consolidated balance sheets consists of:      
Prepaid benefit cost included in other assets 15,465 7,753  
Accrued benefit liability included in other liabilities (1,677) (1,650)  
Net amount recognized ¥ 13,788 ¥ 6,103  
[1] Others include derivative instruments held for hedging change in the fair value of equity securities, and short-term instruments.