Notes - Segment Information, Etc.
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||
| Segment information | ||||||||||||||
| Disclosure of sales and profit (loss) for each reportable segment | ||||||||||||||
| Sales | ||||||||||||||
| Revenues from external customers | 
                                                523,912,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,292,856,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                442,366,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,297,754,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                227,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                529,416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                407,894,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,251,880,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                92,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,657,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                221,949,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,256,538,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                97,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,655,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,832,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,091,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                277,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,002,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,595,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,838,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,714,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |