Consolidated Statement Of Cash Flows
| Concept | As at 2023-10-31 | 2022-11-01 to 2023-10-31 | 2021-11-01 to 2022-10-31 | As at 2022-10-31 | As at 2021-10-31 | 
|---|---|---|---|---|---|
| Consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                14,190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,414,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -272,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -223,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -465,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,323,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                13,727,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of securities | — | 
                                                -1,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of property, plant and equipment | — | 
                                                -11,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,129,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -14,544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Loan advances | — | 
                                                -603,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -484,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Purchase of treasury shares | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -793,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -792,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid to non-controlling interests | — | 
                                                -105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                5,495,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                858,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                5,537,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,579,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                18,940,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                13,169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |