v3.26.1
Financial Instruments - Schedule of Offsetting Financial Assets and Financial Liabilities (Details) - JPY (¥)
¥ in Millions
Mar. 31, 2026
Mar. 31, 2025
Settlement Payables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial liabilities ¥ 1,108,070 ¥ 934,212
Amounts offset in Consolidated Statements of Financial Position (43,533) (36,473)
Net amounts presented in Consolidated Statements of Financial Position 1,064,537 897,739
Net amounts 1,064,537 897,739
Credit Card Payables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial liabilities 30,684 27,742
Amounts offset in Consolidated Statements of Financial Position (404) (373)
Net amounts presented in Consolidated Statements of Financial Position 30,280 27,369
Net amounts 30,280 27,369
Other Payables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial liabilities 589 545
Amounts offset in Consolidated Statements of Financial Position (2) (1)
Net amounts presented in Consolidated Statements of Financial Position 587 544
Net amounts 587 544
Accrued Expenses    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial liabilities 412 454
Amounts offset in Consolidated Statements of Financial Position (412) (454)
Net amounts presented in Consolidated Statements of Financial Position 0 0
Net amounts 0 0
Suspense Receipts    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial liabilities 20,681 19,496
Amounts offset in Consolidated Statements of Financial Position (17,547) (16,075)
Net amounts presented in Consolidated Statements of Financial Position 3,134 3,421
Net amounts 3,134 3,421
Settlement Receivables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial assets 55,361 54,611
Amounts offset in Consolidated Statements of Financial Position (25,674) (21,904)
Net amounts presented in Consolidated Statements of Financial Position 29,687 32,707
Net amounts 29,687 32,707
Other Receivables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial assets 18,676 15,396
Amounts offset in Consolidated Statements of Financial Position (18,676) (15,396)
Net amounts presented in Consolidated Statements of Financial Position 0 0
Net amounts 0 0
Credit Card Receivables    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial assets 1 1
Amounts offset in Consolidated Statements of Financial Position (1) (1)
Net amounts presented in Consolidated Statements of Financial Position 0 0
Net amounts 0 0
Receivables from Third Party Operators of Deposit Machines    
Disclosure of offsetting of financial assets [line items]    
Gross amounts of recognized financial assets 22,201 21,418
Amounts offset in Consolidated Statements of Financial Position (17,547) (16,075)
Net amounts presented in Consolidated Statements of Financial Position 4,654 5,343
Net amounts ¥ 4,654 ¥ 5,343