Semi-Annual Statement Of Cash Flows
| Concept | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|
| Semi-annual statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | 
                                                479,098,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,186,458,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | 
                                                60,676,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                72,101,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | 
                                                -6,026,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -6,402,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | 
                                                -530,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -501,721,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | 
                                                3,514,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,750,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of securities | 
                                                -200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -300,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of property, plant and equipment | 
                                                -141,344,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -594,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of property, plant and equipment | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,447,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Purchase of investment securities | 
                                                -310,262,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -750,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from sale of investment securities | 
                                                103,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                150,750,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loan advances | 
                                                -1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | 
                                                30,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | 
                                                -263,904,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -958,119,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | 
                                                -400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Dividends paid | 
                                                -367,400,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -516,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | 
                                                -371,544,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -520,896,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Effect of exchange rate change on cash and cash equivalents | 
                                                1,865,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,617,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | 
                                                -630,069,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,278,036,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | — | 
                                                5,359,860,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,989,929,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,726,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |