Notes - Segment Information, Etc.
| Concept | 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 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Notes - Segment information, etc. | ||||||||||||||
| Segment information | ||||||||||||||
| Disclosure of sales, profit (loss), asset, liability, and other items for each reportable segment | ||||||||||||||
| Sales | ||||||||||||||
| Revenues from external customers | 
                                                21,814,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,240,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,657,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                102,657,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,539,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,680,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,984,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,220,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,808,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,808,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Transactions with other segments | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                230,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,596,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                302,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,594,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,798,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Other items | ||||||||||||||
| Depreciation | 
                                                767,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,481,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,063,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,486,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,486,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                173,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,438,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,233,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Increase in property, plant and equipment and intangible assets | 
                                                3,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,706,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,073,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,073,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,948,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,877,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,165,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |