Statement Of Cash Flows
| Concept | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|
| Statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | 
                                                72,512,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                71,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                49,958,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | 
                                                6,351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,073,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in allowance for loan losses | — | — | 
                                                2,498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,582,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest income | — | — | 
                                                -128,184,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -84,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest expenses | — | — | 
                                                27,129,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,125,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Loss (gain) related to securities | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign exchange losses (gains) | — | — | 
                                                5,659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,072,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in provision for bonuses | — | — | 
                                                44,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net decrease (increase) in loans and bills discounted | — | — | 
                                                -978,282,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -287,328,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in deposits | — | — | 
                                                1,015,709,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,448,715,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest received | — | — | 
                                                120,997,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                84,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest paid | — | — | 
                                                -25,935,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,706,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Subtotal | — | — | 
                                                201,217,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,038,416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | — | 
                                                -6,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes paid | — | — | 
                                                -17,459,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,535,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) operating activities | — | — | 
                                                183,758,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,027,880,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Cash flows from operating activities | |||||||
| Cash flows from facilities maintenance and investing activities | |||||||
| Purchase of property, plant and equipment | — | — | 
                                                -581,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from investing activities | |||||||
| Purchase of securities | — | — | 
                                                -1,394,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -592,468,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of securities | — | — | 
                                                704,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,823,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                -732,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -301,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from financing activities | |||||||
| Proceeds from issuance of shares | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,324,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Purchase of treasury shares | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,324,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | — | 
                                                -433,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                719,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | — | 
                                                -549,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                740,866,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash and cash equivalents | — | 
                                                4,241,852,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,791,091,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,050,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |