XML 183 R173.htm IDEA: XBRL DOCUMENT v3.25.2
Accumulated Other Comprehensive Income (Loss) (Changes in Components of Accumulated Other Comprehensive Income (Loss)) (Detail) - JPY (¥)
¥ in Millions
 12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Beginning Balance ¥ 4,021,965 ¥ 3,614,322 ¥ 3,414,178
Total other comprehensive income (loss) (16,139) 206,038 135,693
Ending Balance 4,171,783 4,021,965 3,614,322
Net unrealized gains (losses) on investment in securities      
Beginning Balance (250,806) (183,034) (72,892)
Net unrealized gains (losses) (152,264) (69,102) (109,745)
Reclassification adjustment included in net income, net of tax (844) 1,340 (421)
Total other comprehensive income (loss) (153,108) (67,762) (110,166)
Transaction with noncontrolling interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests 0 10 (24)
Ending Balance (403,914) (250,806) (183,034)
Impact of changes in policy liability discount rate      
Beginning Balance 257,785 164,516 37,536
Net unrealized gains (losses) 158,339 93,269 126,980
Total other comprehensive income (loss) 158,339 93,269 126,980
Transaction with noncontrolling interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests 0 0 0
Ending Balance 416,124 257,785 164,516
Debt Valuation Adjustments      
Beginning Balance 84 275 221
Net unrealized gains (losses) (32) (177) 67
Reclassification adjustment included in net income, net of tax (3) (14) (13)
Total other comprehensive income (loss) (35) (191) 54
Transaction with noncontrolling interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests 0 0 0
Ending Balance 49 84 275
Defined benefit pension plans      
Beginning Balance 9,670 (3,617) (8,072)
Net unrealized gains (losses) 5,572 13,559 4,659
Reclassification adjustment included in net income, net of tax (444) (266) (211)
Total other comprehensive income (loss) 5,128 13,293 4,448
Transaction with noncontrolling interests 0 0 0
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests 7 6 (7)
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests 0 0 0
Ending Balance 14,791 9,670 (3,617)
Foreign currency translation adjustments      
Beginning Balance 324,208 155,912 61,914
Net unrealized gains (losses) (37,786) 163,062 90,616
Reclassification adjustment included in net income, net of tax 17,726 10,242 4,091
Total other comprehensive income (loss) (20,060) 173,304 94,707
Transaction with noncontrolling interests 136 11 2,903
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests (323) 4,816 3,637
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests (50) 203 (25)
Ending Balance 304,657 324,208 155,912
Net unrealized gains (losses) on derivative instruments      
Beginning Balance 16,207 22,083 2,788
Net unrealized gains (losses) (15,269) (2,928) 18,232
Reclassification adjustment included in net income, net of tax 8,866 (2,947) 1,438
Total other comprehensive income (loss) (6,403) (5,875) 19,670
Transaction with noncontrolling interests 0 (176) 1,493
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests 213 (175) 1,868
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests 0 0 0
Ending Balance 9,591 16,207 22,083
AOCI Attributable to Parent      
Beginning Balance 357,148 156,135 21,495
Total other comprehensive income (loss) (16,139) 206,038 135,693
Transaction with noncontrolling interests 136 (165) 4,396
Less: Other Comprehensive Income (Loss) Attributable to the Noncontrolling Interests (103) 4,647 5,498
Less: Other Comprehensive Income (Loss) Attributable to the Redeemable Noncontrolling Interests (50) 213 (49)
Ending Balance ¥ 341,298 ¥ 357,148 ¥ 156,135