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 | 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 | 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 | 
                                                160,032,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,646,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                186,465,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,289,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -27,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                194,673,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,170,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,349,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,488,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -343,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                182,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,394,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,370,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -12,572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,572,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,061,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                379,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,500,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -11,562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                633,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |