v3.25.2
Investments Accounted for Using the Equity Method (Details) - JPY (¥)
¥ in Millions
12 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Mar. 31, 2023
Disclosure of associates [line items]      
Net profit (loss) for the year ¥ 108,143 ¥ 144,197 ¥ 317,038
Other comprehensive income (loss) (165,841) 995,009 594,535
Total comprehensive income (loss) for the year (57,698) 1,139,206 911,574
Carrying amount of investments accounted for using the equity method 10,802 89,831  
Aggregated individually immaterial associates      
Disclosure of associates [line items]      
Net profit (loss) for the year (3,986) 6,473 (8,630)
Other comprehensive income (loss) (145) (1,793) (892)
Total comprehensive income (loss) for the year (4,131) 4,681 ¥ (9,522)
Carrying amount of investments accounted for using the equity method ¥ 10,802 ¥ 89,831