| Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | 6,625 | 3,620 | 5,517 | 6,392 | 5,902 | 5,876 |
|---|
| Depreciation | 764 | 994 | 1,082 | 821 | 907 | 1,072 |
|---|
| Impairment losses | 162 | 0 | 223 | - | - | 87 |
|---|
| Amortization of goodwill | - | - | - | - | 139 | 277 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 36 | 128 | -26 | -53 | 5 | 1 |
|---|
| Increase (decrease) in provision for bonuses | -44 | -52 | -2 | 5 | -20 | 5 |
|---|
| Increase (decrease) in provision for share awards | - | - | - | - | 168 | 77 |
|---|
| Increase (decrease) in retirement benefit liability | -41 | 429 | 8 | 18 | -888 | -497 |
|---|
| Increase (decrease) in provision for loss on closing of plants-OpeCF | -74 | 121 | -167 | - | - | -14 |
|---|
| Interest and dividend income | -23 | -36 | -33 | -37 | -35 | -34 |
|---|
| Interest expenses | 23 | 25 | 41 | 28 | 27 | 28 |
|---|
| Share of loss (profit) of entities accounted for using equity method | -24 | 17 | 0 | 16 | 5 | 8 |
|---|
| Foreign exchange losses (gains) | 1 | -0 | -0 | -0 | -0 | -0 |
|---|
| Loss (gain) on sale and retirement of non-current assets | -7 | -167 | -118 | -76 | 7 | -67 |
|---|
| Loss (gain) on sale of businesses | - | - | - | - | -95 | - |
|---|
| Surrender value of insurance policies | - | - | - | - | - | -101 |
|---|
| Loss (gain) on sale of investment securities | - | -8 | 31 | 28 | -0 | -0 |
|---|
| Loss (gain) on valuation of investment securities | - | - | - | - | 81 | 55 |
|---|
| Decrease (increase) in trade receivables | -2,723 | 1,053 | -158 | 903 | 131 | -562 |
|---|
| Decrease (increase) in inventories | 160 | 301 | -53 | -588 | 39 | 192 |
|---|
| Increase (decrease) in trade payables | 2,101 | -2,094 | -698 | -43 | -553 | 1,130 |
|---|
| Other, net | -104 | 199 | 151 | -411 | 471 | -471 |
|---|
| Subtotal | 2,637 | 4,530 | 5,778 | 7,002 | 6,291 | 7,061 |
|---|
| Interest and dividends received | 29 | 41 | 39 | 42 | 40 | 34 |
|---|
| Interest paid | -23 | -25 | -41 | -26 | -26 | -29 |
|---|
| Income taxes paid | -564 | -1,603 | -1,553 | -2,023 | -2,444 | -1,473 |
|---|
| Net cash provided by (used in) operating activities | 2,078 | 2,943 | 4,223 | 4,995 | 3,860 | 5,593 |
|---|
| Decrease (increase) in time deposits | 21 | 39 | 1 | 92 | 740 | 10 |
|---|
| Purchase of investment securities | - | - | -1 | -56 | -81 | -1 |
|---|
| Proceeds from sale of investment securities | - | - | 162 | 39 | 6 | 21 |
|---|
| Purchase of property, plant and equipment | -2,175 | -1,120 | -938 | -1,570 | -1,409 | -1,099 |
|---|
| Proceeds from sale of property, plant and equipment | 14 | 534 | 444 | 349 | 83 | 290 |
|---|
| Purchase of intangible assets | -10 | -13 | -127 | -131 | -15 | -56 |
|---|
| Purchase of shares unconsolidated subsidiaries | - | - | - | - | -14 | - |
|---|
| Purchase of shares of subsidiaries resulting in change in scope of consolidation | - | - | - | - | -2,458 | - |
|---|
| Proceeds from sale of businesses | - | - | - | - | 167 | - |
|---|
| Loan advances | -28 | -88 | -0 | - | -3 | -1 |
|---|
| Proceeds from collection of loans receivable | 18 | 40 | 19 | 18 | 18 | 17 |
|---|
| Proceeds from cancellation of insurance funds | - | - | - | - | - | 218 |
|---|
| Other, net | -94 | -455 | 6 | 118 | 25 | 75 |
|---|
| Net cash provided by (used in) investing activities | -2,273 | -1,157 | -397 | -1,141 | -2,942 | -526 |
|---|
| Net increase (decrease) in short-term borrowings | -70 | -50 | 270 | 79 | -1,130 | -110 |
|---|
| Proceeds from long-term borrowings | 1,050 | 1,100 | 1,260 | 3 | 1,323 | - |
|---|
| Repayments of long-term borrowings | -720 | -1,302 | -1,419 | -1,346 | -764 | -439 |
|---|
| Repayments of lease liabilities | -20 | -15 | -14 | -9 | -8 | -2 |
|---|
| Purchase of treasury shares | -96 | -510 | -207 | -559 | -770 | -800 |
|---|
| Proceeds from disposal of treasury shares | - | 0 | - | 1 | 0 | 0 |
|---|
| Proceeds from exercise of employee share options | - | - | 0 | 0 | - | 0 |
|---|
| Dividends paid | -377 | -637 | -529 | -787 | -717 | -801 |
|---|
| Net cash provided by (used in) financing activities | -469 | -1,504 | -639 | -2,618 | -2,066 | -2,152 |
|---|
| Effect of exchange rate change on cash and cash equivalents | -1 | 0 | 0 | 0 | 0 | 0 |
|---|
| Net increase (decrease) in cash and cash equivalents | -664 | 281 | 3,187 | 1,236 | -1,148 | 2,914 |
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