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 | 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 | 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 | 
                                                42,072,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                436,739,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,561,808,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,633,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                703,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,663,713,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,073,508,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,409,091,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,072,804,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,599,871,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,433,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,443,333,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,033,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                696,328,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,255,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,784,776,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                419,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,033,372,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                41,374,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,868,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                854,803,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                175,143,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                240,385,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,095,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,095,189,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                142,381,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                743,954,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -886,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,832,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                83,663,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,876,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                886,336,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |