Quarter Period Consolidated Statement Of Income
| Concept | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 2023-04-01 to 2024-03-31 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Quarter period consolidated statement of income | ||||||||||||||||||||||||||||||||||||
| Statement of income | ||||||||||||||||||||||||||||||||||||
| Net sales | — | — | — | 
                                                31,595,111,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                564,934,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                45,980,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                54,161,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                32,413,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                1,790,281,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,260,188,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                28,023,234,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,050,470,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -1,636,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                26,492,082,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                1,407,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,382,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -1,448,996,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                21,199,338,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                26,450,468,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                569,078,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                27,899,465,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                25,883,621,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Cost of sales | — | — | — | — | — | — | — | — | — | 
                                                15,452,859,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                14,473,536,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,200,073,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                12,167,891,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Gross profit (loss) | — | — | — | — | — | — | — | — | — | 
                                                16,960,947,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                13,549,697,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                10,999,265,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                14,282,576,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Selling, general and administrative expenses | ||||||||||||||||||||||||||||||||||||
| Remuneration for directors (and other officers) | — | — | — | — | — | — | — | — | — | 
                                                369,581,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                305,033,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                299,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                387,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Welfare expenses | — | — | — | — | — | — | — | — | — | 
                                                591,442,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                406,304,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                370,322,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                494,598,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Supplies expenses | — | — | — | — | — | — | — | — | — | 
                                                140,843,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                100,817,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                90,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                113,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Depreciation | — | — | — | — | — | — | — | — | — | 
                                                389,973,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                296,121,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                208,300,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                261,370,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Insurance expenses | — | — | — | — | — | — | — | — | — | 
                                                40,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                17,547,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                15,719,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                30,416,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Amortization of goodwill | — | 
                                                74,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                39,497,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                114,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                114,238,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                93,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                74,741,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,921,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                93,662,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
| Selling, general and administrative expenses | — | — | — | — | — | — | — | — | — | 
                                                13,975,732,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                9,539,729,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,925,946,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                10,120,217,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Operating profit (loss) | — | — | — | 
                                                7,257,733,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -422,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -60,500,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -3,680,520,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                2,985,215,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                -26,611,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,094,393,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,009,968,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,067,781,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -82,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -20,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,279,134,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                88,246,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -2,469,596,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                -205,021,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,073,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,162,359,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -254,432,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,367,380,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,023,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
| Non-operating income | ||||||||||||||||||||||||||||||||||||
| Interest income | — | — | — | — | — | — | — | — | — | 
                                                97,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                122,290,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                173,754,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                186,558,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Dividend income | — | — | — | — | — | — | — | — | — | 
                                                1,630,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,202,901,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,014,392,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,075,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Share of profit of entities accounted for using equity method | — | — | — | — | — | — | — | — | — | 
                                                3,513,182,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,751,809,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Non-operating income | — | — | — | — | — | — | — | — | — | 
                                                3,845,933,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                2,739,538,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                2,693,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                3,254,935,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Non-operating expenses | ||||||||||||||||||||||||||||||||||||
| Interest expenses | — | — | — | — | — | — | — | — | — | 
                                                202,745,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                414,434,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                257,314,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                138,783,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Non-operating expenses | — | — | — | — | — | — | — | — | — | 
                                                380,229,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                625,243,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                289,778,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                401,371,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Ordinary profit (loss) | — | — | — | — | — | — | — | — | — | 
                                                6,450,918,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                6,124,264,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                6,476,788,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                7,015,923,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary income | ||||||||||||||||||||||||||||||||||||
| Gain on sale of non-current assets | — | — | — | — | — | — | — | — | — | 
                                                4,126,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                4,029,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,762,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary income | — | — | — | — | — | — | — | — | — | 
                                                43,122,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                25,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                86,927,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Extraordinary losses | ||||||||||||||||||||||||||||||||||||
| Impairment losses | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                78,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                52,150,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                25,982,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                78,132,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,409,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                32,220,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
                                                14,299,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                34,629,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | 
| Extraordinary losses | — | — | — | — | — | — | — | — | — | 
                                                480,941,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                664,362,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                738,423,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                128,405,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) before income taxes | — | — | — | — | — | — | — | — | — | 
                                                6,013,099,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                5,485,851,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                5,738,365,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                6,974,444,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Income taxes - current | — | — | — | — | — | — | — | — | — | 
                                                2,274,424,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                760,192,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,324,212,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                2,317,566,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Income taxes - deferred | — | — | — | — | — | — | — | — | — | 
                                                -1,125,915,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                -104,056,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -33,588,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                -860,830,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Income taxes | — | — | — | — | — | — | — | — | — | 
                                                1,148,509,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
                                                656,135,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,290,624,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                1,456,736,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) | — | — | — | — | — | — | — | — | 
                                                4,829,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,864,589,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,829,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,829,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,829,716,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                4,447,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,447,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                4,447,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                5,517,708,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | 
                                                4,447,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | 
| Profit attributable to | ||||||||||||||||||||||||||||||||||||
| Profit (loss) attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | 
                                                -60,258,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -13,553,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Profit (loss) attributable to owners of parent | 
                                                4,924,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                4,924,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                4,924,848,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | 
                                                5,531,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | 
                                                5,531,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                5,531,261,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Other comprehensive income | ||||||||||||||||||||||||||||||||||||
| Valuation difference on available-for-sale securities | — | — | — | — | — | — | — | — | — | 
                                                2,387,325,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                1,047,725,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Foreign currency translation adjustment | — | — | — | — | — | — | — | — | — | 
                                                548,430,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                3,286,208,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Share of other comprehensive income of entities accounted for using equity method | — | — | — | — | — | — | — | — | — | 
                                                98,922,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                65,715,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Other comprehensive income | — | — | — | — | — | — | — | — | — | 
                                                3,034,678,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                4,399,649,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Comprehensive income | — | — | — | — | — | — | — | — | — | 
                                                7,899,268,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,917,358,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Comprehensive income attributable to | ||||||||||||||||||||||||||||||||||||
| Comprehensive income attributable to owners of parent | — | — | — | — | — | — | — | — | — | 
                                                7,961,704,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                9,932,461,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | 
| Comprehensive income attributable to non-controlling interests | — | — | — | — | — | — | — | — | — | 
                                                -62,435,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 
                                                -15,103,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | — | — | — |