Semi-Annual Consolidated Statement Of Cash Flows
| Concept | As at 2025-03-31 | 2024-04-01 to 2025-03-31 | 2023-04-01 to 2024-03-31 | As at 2024-03-31 | As at 2023-03-31 | 
|---|---|---|---|---|---|
| Semi-annual consolidated statement of cash flows | |||||
| Statement of cash flows | |||||
| Cash flows from operating activities | |||||
| Subtotal | — | 
                                                174,634,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                222,839,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest and dividends received | — | 
                                                9,827,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                8,347,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Interest paid | — | 
                                                -4,970,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,641,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Income taxes paid | — | 
                                                -42,822,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -55,696,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) operating activities | — | 
                                                137,118,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                177,944,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from investing activities | |||||
| Purchase of property, plant and equipment | — | 
                                                -84,208,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -71,113,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from sale of property, plant and equipment | — | 
                                                308,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                17,050,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of investment securities | — | 
                                                -860,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -2,310,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                207,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                0
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) investing activities | — | 
                                                -145,688,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -32,768,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash flows from financing activities | |||||
| Proceeds from long-term borrowings | — | 
                                                60,000,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                62,600,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Proceeds from issuance of bonds | — | 
                                                19,058,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                18,467,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Repayments of long-term borrowings | — | 
                                                -51,519,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -49,405,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of treasury shares | — | 
                                                -37,102,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -793,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid | — | 
                                                -26,202,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -19,859,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net cash provided by (used in) financing activities | — | 
                                                -69,027,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -104,178,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Dividends paid to non-controlling interests | — | 
                                                -3,867,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -4,776,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Purchase of shares of subsidiaries not resulting in change in scope of consolidation | — | 
                                                
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                -15,942,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Other, net | — | 
                                                -306,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                134,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Effect of exchange rate change on cash and cash equivalents | — | 
                                                7,022,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                2,657,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Net increase (decrease) in cash and cash equivalents | — | 
                                                -70,574,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                43,654,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
| Cash and cash equivalents | 
                                                34,905,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | — | — | 
                                                105,480,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             | 
                                                61,825,000,000
                                                
                                                    
                                                        JPY
                                                    
                                                
                                             |