Semi-Annual Consolidated Statement Of Changes In Equity
| Concept | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2023-12-31 | 2023-01-01 to 2023-12-31 | 2023-01-01 to 2023-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | 2022-01-01 to 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2022-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | As at 2021-12-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual consolidated statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | — | 
                                                460,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -710,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -710,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                33,385,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,040,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                33,635,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,332,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,332,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -520,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,305,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                7,148,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -520,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,557,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -476,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,742,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                10,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,884,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                290,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                105,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,942,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,499,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                264,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                10,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,678,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,963,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,536,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -142,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Issuance of new shares | — | 
                                                6,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                6,737,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Dividends of surplus | — | 
                                                -1,647,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -1,647,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,647,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -1,647,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -679,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -64,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,893,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                169,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,828,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -234,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                156,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                185,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,205,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -333,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,057,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |