Consolidated 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 | 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 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of income | ||||||||||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||||||||||
| Net sales | — | — | 
                                                19,180,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,916,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                136,340,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,799,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,666,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                179,922,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                44,372,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                184,903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,980,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,310,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,784,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                20,399,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                129,480,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,507,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,877,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,846,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                171,345,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                176,852,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Ordinary income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Other operating income | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Share of profit of entities accounted for using equity method | — | — | — | — | — | — | — | — | 
                                                3,581,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,119,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cost of sales | — | — | — | — | — | — | — | — | 
                                                104,629,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                29,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                38,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                104,452,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||||||||||||
| Operating expenses - general | ||||||||||||||||||||||||||||||||
| Rent expenses on land and buildings | — | — | — | — | — | — | — | — | 
                                                3,380,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,270,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Depreciation | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                994,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                558,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Operating expenses | ||||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | 
                                                40,137,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                13,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                13,989,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,550,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Personnel expenses | — | — | — | — | — | — | — | — | 
                                                15,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,802,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Provision of allowance for doubtful accounts | — | — | — | — | — | — | — | — | 
                                                128,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                261,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                44,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | — | — | — | 
                                                14,917,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,484,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,352,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Operating expenses | ||||||||||||||||||||||||||||||||
| Other operating expenses | ||||||||||||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||||||||||||
| Operating profit (loss) | — | — | 
                                                782,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,655,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,269,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,155,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                885,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,569,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                397,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,907,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -3,288,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,422,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,644,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                29,342,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                32,631,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| General and administrative expenses | ||||||||||||||||||||||||||||||||
| Operating expenses | ||||||||||||||||||||||||||||||||
| Gross profit (loss) | — | — | — | — | — | — | — | — | 
                                                75,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                17,633,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                66,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Ordinary profit (loss) | — | — | — | — | — | — | — | — | 
                                                39,992,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,921,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,592,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,317,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net sales | ||||||||||||||||||||||||||||||||
| Cost of sales | ||||||||||||||||||||||||||||||||
| Selling, general and administrative expenses | ||||||||||||||||||||||||||||||||
| Advertising expenses | — | — | — | — | — | — | — | — | 
                                                4,312,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,160,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,048,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | ||||||||||||||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | 
                                                1,136,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividend income | — | — | — | — | — | — | — | — | 
                                                991,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                968,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | — | — | — | 
                                                344,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                53,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating income | — | — | — | — | — | — | — | — | 
                                                6,053,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,095,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary income | — | — | — | — | — | — | — | — | 
                                                242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                450,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                19,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | — | 
                                                139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                190,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                144,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | — | — | — | 
                                                95,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Non-operating expenses | — | — | — | — | — | — | — | — | 
                                                1,216,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                245,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                124,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | — | — | — | — | — | — | — | — | 
                                                923,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                256,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                356,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Impairment losses | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                167,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                213,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                166,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                58,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                56,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other | — | — | — | — | — | — | — | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                36,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) before income taxes | — | — | — | — | — | — | — | — | 
                                                39,312,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,469,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Gross profit | ||||||||||||||||||||||||||||||||
| Extraordinary income | ||||||||||||||||||||||||||||||||
| Gain on sale of investment securities | — | — | — | — | — | — | — | — | 
                                                242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                133,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - current | — | — | — | — | — | — | — | — | 
                                                10,578,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                534,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,410,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,894,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||||||||||
| Loss on retirement of non-current assets | — | — | — | — | — | — | — | — | 
                                                48,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                43,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                55,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes - deferred | — | — | — | — | — | — | — | — | 
                                                -455,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -16,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                421,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes | — | — | — | — | — | — | — | — | 
                                                10,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,316,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | 
                                                4,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                29,189,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,219,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                6,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                6,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,094,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | — | 
                                                13,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                11,122,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit (loss) attributable to owners of parent | 
                                                15,722,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                15,722,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,722,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                13,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                13,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                13,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | ||||||||||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | 
                                                14,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Deferred gains or losses on hedges | — | — | — | — | — | — | — | — | 
                                                -5,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | — | — | 
                                                1,200,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | — | — | — | — | — | 
                                                164,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,667,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Remeasurements of defined benefit plans, net of tax | — | — | — | — | — | — | — | — | 
                                                616,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,086,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other comprehensive income | — | — | — | — | — | — | — | — | 
                                                16,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                13,722,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Profit attributable to | ||||||||||||||||||||||||||||||||
| Comprehensive income | — | — | — | — | — | — | — | — | 
                                                45,468,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                38,816,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | 
                                                29,801,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                25,396,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | — | 
                                                15,666,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                13,420,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — |