Statement Of Members' Equity
| Concept | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | As at 2025-03-31 | 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 | 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 | 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 | 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 | 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 | 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 | 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 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Statement of members' equity | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Net assets | — | 
                                                -646,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,285,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,751,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,526,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,972,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                20,918,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                37,845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                7,660,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -646,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,544,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                74,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                17,077,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                33,745,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                12,494,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                48,477,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                22,670,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,752,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,773,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                18,139,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                14,306,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,845,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,617,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,518,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                31,521,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                9,723,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,281,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                -649,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                70,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                44,331,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                35,591,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,966,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                19,985,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,158,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,358,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                13,031,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                179,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,251,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,201,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,448,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                68,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,315,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,176,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,949,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,517,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,279,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -650,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -650,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,403,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,398,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,210,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                39,044,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                16,861,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,419,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Changes during period | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Profit (loss) | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                3,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                3,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                3,044,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,359,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | 
                                                1,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,775,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                3,884,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Net changes in items other than shareholders' equity | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,693,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -94,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | 
                                                1,784,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                1,892,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -93,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | 
                                                374,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,808,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                667,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,183,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
| Total changes during period | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -91,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,693,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -94,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                198,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                2,778,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,784,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,684,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,253,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,145,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,224,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,771,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -93,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                374,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,275,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,104,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,278,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                1,809,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,098,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                530,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,808,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                487,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,275,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                667,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,101,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                5,287,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                42,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |