| Mar 31,
2015 | Mar 31,
2016 | Mar 31,
2017 | Mar 31,
2018 | Mar 31,
2019 | Mar 31,
2020 | Mar 31,
2021 | Mar 31,
2022 | Mar 31,
2023 | Mar 31,
2024 |
|---|
| Profit (loss) before income taxes | 62 | 198 | 312 | 350 | 186 | 78 | 895 | 1,945 | 2,462 | 2,567 |
|---|
| Depreciation | 55 | 67 | 78 | 90 | 98 | 135 | 168 | 175 | 183 | 189 |
|---|
| Increase (decrease) in allowance for doubtful accounts | 14 | 11 | 48 | 495 | 696 | 562 | 464 | -189 | -203 | 181 |
|---|
| Interest and dividend income | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -1 | -0 |
|---|
| Interest expenses | 8 | 8 | 12 | 15 | 19 | 28 | 32 | 27 | 20 | 16 |
|---|
| Loss on retirement of non-current assets | 7 | 0 | - | 0 | 1 | 0 | 4 | 1 | 1 | - |
|---|
| Decrease (increase) in trade receivables | - | - | -246 | -170 | -131 | -75 | -177 | -212 | -241 | -381 |
|---|
| Loss on valuation of investment securities | - | 5 | - | - | 1 | - | - | - | 7 | 45 |
|---|
| Decrease (increase) in accounts receivable - other | - | - | - | - | - | - | - | - | -377 | 319 |
|---|
| Increase (decrease) in advances paid of subrogation | -116 | -337 | -1,365 | -1,112 | -1,224 | -930 | 129 | 186 | -453 | -1,151 |
|---|
| Increase (decrease) in advances paid of collection | -461 | -1,056 | 1,408 | -208 | -75 | -0 | -523 | -319 | 421 | -303 |
|---|
| Decrease (increase) in inventories | 4 | 1 | -2 | -5 | 2 | 1 | -0 | -4 | 0 | 27 |
|---|
| Increase (decrease) in advances received | 93 | 175 | 208 | 132 | 190 | 247 | 164 | 268 | 160 | 402 |
|---|
| Increase (decrease) in provision for bonuses | 7 | 8 | 15 | 7 | 9 | 6 | 5 | 12 | 59 | 22 |
|---|
| Increase (decrease) in provision for retirement benefits for directors (and other officers) | 0 | -6 | 2 | -5 | -11 | -31 | 2 | -0 | -1 | 2 |
|---|
| Increase (decrease) in provision for share awards for directors (and other officers) | - | - | - | - | - | - | - | - | - | 50 |
|---|
| Increase (decrease) in accounts payable of collect | - | - | 936 | -146 | 41 | 47 | -77 | 28 | 46 | 15 |
|---|
| Share issuance costs | 2 | - | 9 | 2 | 2 | 2 | 2 | 2 | 2 | 1 |
|---|
| Other, net | 30 | 25 | 67 | 143 | 44 | -55 | 82 | 42 | 186 | 198 |
|---|
| Subtotal | -359 | -957 | 1,508 | -794 | -522 | 65 | 1,180 | 1,961 | 2,270 | 2,201 |
|---|
| Interest and dividends received | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
|---|
| Interest paid | -8 | -9 | -12 | -15 | -20 | -29 | -32 | -27 | -20 | -16 |
|---|
| Income taxes paid | -151 | -43 | -201 | -185 | -188 | -231 | -257 | -594 | -688 | -823 |
|---|
| Net cash provided by (used in) operating activities | -519 | -1,010 | 1,295 | -994 | -764 | -195 | 847 | 1,340 | 1,564 | 1,362 |
|---|
| Purchase of property, plant and equipment | -56 | -22 | -17 | -44 | -24 | -75 | -26 | -207 | -60 | -78 |
|---|
| Purchase of investment securities | - | -5 | - | - | - | - | - | -80 | - | -100 |
|---|
| Purchase of intangible assets | -19 | -42 | -73 | -66 | -160 | -190 | -52 | -40 | -78 | -130 |
|---|
| Other, net | -17 | -21 | -12 | -27 | -26 | 3 | -45 | 34 | -16 | -39 |
|---|
| Net cash provided by (used in) investing activities | -94 | -34 | -92 | -137 | -210 | -262 | -123 | -289 | -154 | -347 |
|---|
| Net increase (decrease) in short-term borrowings | 500 | 1,450 | -340 | -240 | 1,230 | 650 | -500 | -950 | -540 | -20 |
|---|
| Repayments of long-term borrowings | -10 | -10 | -10 | -10 | -63 | -60 | -60 | -65 | -66 | -88 |
|---|
| Payments for issuance of shares | - | - | - | - | - | -1 | - | - | -1 | -1 |
|---|
| Purchase of treasury shares | - | - | - | -0 | - | - | - | -0 | -135 | - |
|---|
| Dividends paid | - | - | - | -22 | -39 | - | - | -178 | -446 | -626 |
|---|
| Repayments of finance lease liabilities | - | - | - | - | - | -50 | -41 | -42 | -43 | -43 |
|---|
| Net cash provided by (used in) financing activities | 636 | 1,289 | 115 | -45 | 1,074 | 539 | -600 | -1,132 | -1,231 | -778 |
|---|
| Net increase (decrease) in cash and cash equivalents | 24 | 245 | 1,317 | -1,176 | 100 | 82 | 124 | -81 | 179 | 237 |
|---|