Semi-Annual Consolidated Statement Of Cash Flows
| Concept | As at 2023-03-31 | 2022-04-01 to 2023-03-31 | 2021-04-01 to 2022-03-31 | As at 2022-03-31 | As at 2021-03-31 | 
|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                3,807,485,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                3,222,542,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                156,807,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                116,205,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -12,351,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -23,412,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -803,967,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -707,274,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                3,147,974,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,608,061,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of investment securities | — | 
                                                -323,436,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -117,949,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of investment securities | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                89,647,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -10,905,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -101,785,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -2,295,580,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,127,445,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from short-term borrowings | — | 
                                                2,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                650,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of short-term borrowings | — | 
                                                -1,150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -659,030,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from long-term borrowings | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                150,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -700,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -350,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | — | 
                                                -36,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -45,419,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -259,020,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -300,117,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -168,842,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -718,898,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid to non-controlling interests | — | 
                                                -174,467,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -122,083,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -35,318,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -42,248,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                605,565,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                493,674,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                1,289,116,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                255,391,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                10,320,885,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                9,024,740,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,769,349,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |