Semi-Annual Statement Of Changes In Equity
| Concept | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 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 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 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 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 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 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 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 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | 2022-04-01 to 2023-03-31 | As at 2023-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | As at 2022-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Semi-annual statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of changes in equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | 
                                                74,773,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                6,174,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                451,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,959,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,268,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -31,755,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                200,658,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                438,824,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,268,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                415,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -13,959,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,238,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                717,615,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                661,523,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                55,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                451,546,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,211,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                10,014,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                13,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                641,608,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                450,685,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -47,047,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                415,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -13,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                624,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                652,248,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                450,685,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                418,908,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,229,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                50,474,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                6,308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                22,732,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                200,471,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                448,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                399,352,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                11,368,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                415,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -13,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                406,051,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                622,052,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,865,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,326,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                497,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                671,480,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                562,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                36,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                448,648,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Dividends of surplus | — | — | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -6,496,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -5,191,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Profit (loss) | — | — | — | 
                                                7,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                7,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                26,462,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                7,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                7,228,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                24,742,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Disposal of treasury shares | — | — | — | — | — | 
                                                544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | — | 
                                                63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                45,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                15,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                45,451,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,298,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                31,147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                -138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                -38,788,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -69,780,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -38,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | — | 
                                                63,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,915,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,815,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -187,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,388,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                862,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                15,292,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                19,916,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                65,367,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -187,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -18,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                24,298,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,037,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -78,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,036,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                19,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,555,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                31,147,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,037,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -138,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,036,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                -19,232,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -69,780,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -38,850,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
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