Statement Of Income
| 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of income | ||||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||||
| Net sales | ||||||||||||||||||||||||||
| Net sales | — | 
                                                71,773,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                344,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                968,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                347,713,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                225,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                217,655,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                58,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                348,681,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,693,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                317,816,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                703,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,490,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                213,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                315,029,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                202,946,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,620,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                59,249,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                318,520,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Operating revenue | ||||||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | 
                                                881,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                171,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                175,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                777,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Welfare expenses | — | — | 
                                                1,308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                844,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                762,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,181,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Depreciation | — | — | — | — | — | — | — | — | 
                                                694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                733,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||||||||
| Cost of sales | — | — | 
                                                304,659,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                202,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                192,505,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                281,102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Selling, general and administrative expenses | — | — | 
                                                18,942,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                12,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                11,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Provision of allowance for doubtful accounts | — | — | 
                                                -25,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                50,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||||||
| Provision for retirement benefits for directors (and other officers) | — | — | 
                                                18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||||
| Ordinary expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Interest expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Interest expenses on bonds | — | — | — | — | — | — | — | — | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
| Operating profit (loss) | — | 
                                                4,726,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                21,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,123,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,163,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                20,589,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,807,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,987,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -7,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                23,483,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -199,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -6,649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,865,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                16,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,392,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,081,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,010,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                23,284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary profit (loss) | — | — | 
                                                21,295,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                11,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                11,400,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Gross profit | ||||||||||||||||||||||||||
| Gross profit (loss) | — | — | 
                                                40,328,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                22,401,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                21,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,927,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| General and administrative expenses | ||||||||||||||||||||||||||
| Salaries | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Non-operating income | ||||||||||||||||||||||||||
| Interest income | — | — | 
                                                245,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                259,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                222,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||||||
| Salaries | — | — | 
                                                4,627,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,548,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,429,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,365,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Bonuses | — | — | 
                                                1,623,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,197,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,581,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Supplies expenses | — | — | 
                                                2,434,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,769,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Amortization of goodwill | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                244,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||||
| Non-operating income | — | — | 
                                                1,133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,017,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                2,584,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,393,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Financial revenue | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividend income | — | — | 
                                                418,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,371,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,716,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                457,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Other | — | — | 
                                                269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                158,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary income | — | — | 
                                                1,995,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,069,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Other | — | — | 
                                                46,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                46,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||||
| Interest expenses | — | — | 
                                                373,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                284,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||||
| Non-operating expenses | ||||||||||||||||||||||||||
| Non-operating expenses | — | — | 
                                                1,223,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                644,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,049,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                993,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Financial expenses | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Provision of allowance for doubtful accounts | — | — | 
                                                214,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                651,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Other | — | — | 
                                                167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                96,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                83,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                107,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary losses | — | — | 
                                                2,432,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                830,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Impairment losses | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,494,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,376,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                52,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                52,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | 
                                                200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) before income taxes | — | — | 
                                                20,858,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                12,909,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                11,739,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,203,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary income | ||||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | 
                                                30,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                104,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                115,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Gain on sale of investment securities | — | — | 
                                                1,917,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,911,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                931,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                954,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Income taxes - current | — | — | 
                                                6,727,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,589,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                3,891,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,239,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||||
| Income taxes - deferred | — | — | 
                                                -459,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -49,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -409,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -498,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| General and administrative expenses | ||||||||||||||||||||||||||
| Income taxes | — | — | 
                                                6,267,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                3,540,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                3,482,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,741,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) | — | — | 
                                                14,590,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,369,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                8,256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                8,256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                11,462,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                8,256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — |