Statement Of Cash Flows
| Concept | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | 2021-04-01 to 2022-03-31 | As at 2021-03-31 | 
|---|---|---|---|---|---|---|---|
| Statement of cash flows | |||||||
| Statement of cash flows | |||||||
| Cash flows from operating activities | |||||||
| Profit (loss) before income taxes | — | 
                                                2,297,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                75,162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,442,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Depreciation | — | — | 
                                                11,957,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Impairment losses | — | — | 
                                                4,639,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Increase (decrease) in allowance for loan losses | — | — | 
                                                -11,480,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest income | — | — | 
                                                -229,272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -191,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest expenses | — | — | 
                                                45,209,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Loss (gain) related to securities | — | — | 
                                                36,811,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,329,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Foreign exchange losses (gains) | — | — | 
                                                -60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -88,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net decrease (increase) in loans and bills discounted | — | — | 
                                                -984,759,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,257,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in deposits | — | — | 
                                                443,265,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                874,469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest received | — | — | 
                                                238,834,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                203,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Interest paid | — | — | 
                                                -38,629,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,932,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Subtotal | — | — | 
                                                -84,417,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,176,952,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Income taxes paid | — | — | 
                                                -26,844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Other, net | — | — | 
                                                40,627,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,060,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) operating activities | — | — | 
                                                -111,261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,163,545,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from operating activities | |||||||
| Cash flows from operating activities | |||||||
| Cash flows from investing activities | |||||||
| Purchase of securities | — | — | 
                                                -1,276,130,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,323,153,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of securities | — | — | 
                                                983,877,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                536,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Purchase of property, plant and equipment | — | — | 
                                                -3,538,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,491,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Proceeds from sale of property, plant and equipment | — | — | 
                                                609,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                986,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) investing activities | — | — | 
                                                3,082,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -372,639,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash flows from facilities maintenance and investing activities | |||||||
| Cash flows from financing activities | |||||||
| Purchase of treasury shares | — | — | 
                                                -5,607,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -8,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Dividends paid | — | — | 
                                                -18,890,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -17,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net cash provided by (used in) financing activities | — | — | 
                                                -23,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -26,956,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | — | 
                                                60,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | — | 
                                                -131,851,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,764,037,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Cash and cash equivalents | 
                                                7,708,412,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,840,263,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,076,226,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |