Notes - Inventories
| Concept | As at 2024-12-31 | As at 2023-12-31 | 
|---|---|---|
| Notes - Inventories | ||
| Components of inventories | ||
| Merchandise and finished goods | 
                                                36,914,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,588,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Work in process | 
                                                93,479,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                86,953,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Raw materials and supplies | 
                                                75,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                77,074,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Inventories | 
                                                205,960,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,616,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |