Consolidated Statement Of Changes In Equity
| Concept | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | As at 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | 2024-04-01 to 2024-09-30 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | As at 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | 2023-04-01 to 2023-09-30 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | — | — | 
                                                -4,626,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,280,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                664,110,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,108,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                38,897,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                204,560,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                205,103,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                96,048,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                405,871,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                542,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,307,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,013,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,029,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                582,600,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                76,858,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                107,141,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -1,242,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,945,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,567,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,474,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -872,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,885,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                67,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                110,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                392,442,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,885,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                99,566,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -900,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,532,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                664,933,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                573,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                87,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                206,978,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,563,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                7,669,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,250,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,375,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                617,612,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -896,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                37,375,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -869,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                41,475,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,849,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                212,843,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                82,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                104,938,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                212,339,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,903,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                571,894,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,404,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,031,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                385,864,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                504,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,231,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,257,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,895,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,257,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                564,969,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                211,605,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,152,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                119,778,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                108,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -675,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,419,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,594,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                82,034,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                612,212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                211,189,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                374,971,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                416,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,694,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -195,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | — | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -5,386,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -5,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                20,451,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                14,601,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,294,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                19,157,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,602,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,848,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                16,092,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                16,092,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                18,206,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                12,056,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,351,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                797,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                17,408,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,092,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | — | — | — | — | — | 
                                                145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -67,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -67,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -67,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                39,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                -4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                35,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -3,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -6,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -10,526,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -10,325,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -2,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,525,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -3,384,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,428,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,913,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -407,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -6,466,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -212,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -463,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,012,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -10,526,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                38,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                9,502,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -3,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                162,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,875,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -1,756,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -221,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,149,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -221,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,237,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,925,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -24,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,117,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                143,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -430,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,748,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                87,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,446,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,746,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,399,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |