Semi-Annual Statement Of Cash Flows
| Concept | As at 2024-09-30 | 2023-10-01 to 2024-09-30 | As at 2023-09-30 | 2022-10-01 to 2023-09-30 | As at 2022-09-30 | 
|---|---|---|---|---|---|
| Semi-annual statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                -3,657,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,119,166,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest and dividends received | — | 
                                                9,186,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,446,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Interest paid | — | 
                                                -23,813,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -48,449,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Income taxes paid | — | 
                                                -333,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -353,464,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) operating activities | — | 
                                                -3,976,454,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,732,794,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -773,887,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -22,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Loan advances | — | 
                                                -320,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from collection of loans receivable | — | 
                                                615,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                2,306,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -706,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -230,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash flows from financing activities | |||||
| Proceeds from short-term borrowings | — | 
                                                4,459,911,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of short-term borrowings | — | 
                                                -1,383,095,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,396,656,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from long-term borrowings | — | 
                                                1,425,757,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Proceeds from issuance of bonds | — | 
                                                850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Repayments of long-term borrowings | — | 
                                                -561,696,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -7,002,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net cash provided by (used in) financing activities | — | 
                                                4,771,646,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -655,521,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Other, net | — | 
                                                -21,548,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -8,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                88,747,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                846,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Cash and cash equivalents | 
                                                2,676,233,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,586,486,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,739,563,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |