| Mar 31,
2013 | Mar 31,
2014 | 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 | 1,039 | 538 | -3,701 | 1,513 | 1,710 | 929 | -393 | -770 | 462 | 8 | -175 | -665 |
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| Depreciation | 292 | 245 | 368 | 362 | 338 | 359 | 305 | 311 | 370 | 199 | 187 | 186 |
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| Impairment losses | 93 | - | 117 | 22 | 10 | 145 | - | 544 | 137 | 28 | 13 | 107 |
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| Amortization of goodwill | 24 | 49 | 266 | 144 | 162 | 145 | 106 | 115 | 125 | 125 | 122 | 121 |
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| Business restructuring expenses | - | - | - | - | - | - | - | - | - | - | - | 68 |
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| Increase (decrease) in allowance for doubtful accounts | -8 | -3 | -50 | 11 | 2 | 78 | 83 | 41 | 62 | 50 | 48 | -3 |
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| Increase (decrease) in provision for bonuses | 0 | -4 | -6 | 1 | 12 | -2 | 3 | 268 | 5 | -114 | 57 | -21 |
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| Increase (decrease) in retirement benefit liability | - | -9 | -178 | -70 | -66 | -46 | -15 | 8 | -75 | -34 | -38 | -55 |
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| Increase (decrease) in provision for share awards for directors (and other officers) | - | - | - | - | - | - | - | 16 | 17 | 7 | 7 | -10 |
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| Interest and dividend income | -37 | -24 | -16 | -9 | -6 | -7 | -6 | -5 | -4 | -4 | -5 | -7 |
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| Interest income on securities | -4 | -2 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -0 | -1 |
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| Loss (gain) on valuation of securities | - | - | - | - | - | 1 | -2 | 1 | 1 | 7 | 6 | 5 |
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| Interest expenses | 7 | 5 | 11 | 15 | 11 | 8 | 6 | 6 | 6 | 4 | 8 | 8 |
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| Subsidy income | - | - | - | - | - | - | - | - | -47 | -235 | -55 | -11 |
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| Loss (gain) on sale of businesses | - | -28 | - | - | - | - | - | - | - | - | - | -26 |
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| Compensation income | - | - | - | - | - | - | - | - | - | - | - | -70 |
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| Share of loss (profit) of entities accounted for using equity method | -52 | -15 | 56 | 34 | 86 | 99 | 705 | -28 | -4 | -33 | 35 | 154 |
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| Loss (gain) on investments in investment partnerships | - | -3 | -20 | -5 | -24 | -26 | 52 | -37 | 21 | 48 | 7 | 0 |
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| Loss (gain) on valuation of investment securities | 3 | 205 | 30 | 5 | - | - | 15 | 754 | 27 | 105 | - | 25 |
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| Loss (gain) on sale of investment securities | -51 | -25 | - | - | -224 | -117 | -69 | -63 | 5 | -34 | - | -1 |
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| Loss (gain) on disposal of non-current assets | 24 | 32 | 51 | 22 | 80 | 23 | 29 | 7 | 59 | 0 | 19 | 0 |
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| Decrease (increase) in trade receivables | 179 | 167 | 364 | 359 | -66 | 587 | -60 | 210 | -59 | -164 | 53 | -412 |
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| Decrease (increase) in inventories | 1 | -33 | 43 | 91 | -99 | -107 | 122 | -160 | 185 | -24 | 212 | -167 |
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| Increase (decrease) in trade payables | 15 | -13 | -140 | -190 | 481 | -402 | 28 | 97 | -72 | 437 | -635 | 342 |
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| Decrease (increase) in consumption taxes refund receivable | 11 | -8 | -4 | -31 | 45 | 21 | -54 | 55 | -39 | -87 | 69 | -108 |
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| Increase (decrease) in accrued consumption taxes | 7 | -10 | 54 | 158 | -131 | -11 | -40 | 6 | 136 | -140 | 23 | 63 |
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| Other, net | -126 | 1 | 383 | -366 | 505 | -505 | 101 | -109 | 367 | 35 | 371 | -57 |
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| Subtotal | 1,387 | 911 | 103 | 2,031 | 2,812 | 1,214 | 744 | 1,270 | 1,684 | 211 | 331 | -534 |
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| Subsidies received | - | - | - | - | - | - | - | - | 47 | 235 | 55 | 11 |
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| Interest and dividends received | 43 | 336 | 8 | 13 | 7 | 7 | 6 | 5 | 4 | 4 | 5 | 7 |
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| Interest paid | -7 | -5 | -12 | -15 | -11 | -8 | -6 | -6 | -5 | -5 | -8 | -9 |
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| Proceeds from compensation | - | - | - | - | - | - | - | - | - | - | - | 70 |
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| Income taxes refund | 1 | 699 | 68 | 56 | - | 27 | 25 | 211 | 68 | 71 | 138 | 190 |
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| Income taxes paid | -2,068 | -226 | -158 | -285 | -336 | -429 | -314 | -305 | -555 | -620 | -363 | -25 |
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| Net cash provided by (used in) operating activities | -645 | 1,715 | 10 | 1,801 | 2,471 | 810 | 454 | 1,176 | 1,243 | -104 | 158 | -288 |
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| Purchase of property, plant and equipment | -39 | -73 | -101 | -83 | -43 | -104 | -633 | -72 | -438 | -638 | -304 | -79 |
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| Proceeds from sale of property, plant and equipment | 0 | 5 | - | - | - | - | - | - | 4 | 0 | 5 | 2 |
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| Purchase of software | -177 | -191 | -374 | -329 | -270 | -201 | -97 | -88 | -111 | -154 | -77 | -71 |
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| Purchase of investment securities | -287 | -683 | - | -61 | -404 | -95 | -165 | -323 | -101 | -40 | -5 | -25 |
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| Proceeds from sale of investment securities | 61 | 26 | 7 | 15 | 233 | 149 | 88 | 110 | 9 | 40 | 1 | 1 |
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| Proceeds from distributions from investment partnerships | - | - | - | - | - | 15 | 83 | 14 | 77 | 68 | - | 1 |
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| Loan advances | - | -3 | -15 | -15 | -40 | - | - | - | - | - | - | -276 |
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| Proceeds from collection of loans receivable | 4 | 3 | 6 | 0 | 3 | 37 | - | 1 | 0 | - | 0 | 1 |
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| Payments of leasehold deposits | -0 | -5 | -1 | -7 | -4 | -12 | -120 | -0 | -0 | -9 | -0 | -0 |
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| Proceeds from refund of leasehold deposits | 40 | 5 | 3 | 45 | 1 | 11 | 2 | 2 | 0 | 190 | 132 | - |
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| Payments for asset retirement obligations | - | - | - | - | - | - | - | - | - | -147 | 0 | - |
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| Proceeds from sale of businesses | - | 29 | - | - | - | - | - | - | - | - | - | 26 |
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| Other, net | 7 | -116 | -89 | -55 | -93 | -318 | -33 | -87 | -73 | -54 | -92 | 95 |
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| Net cash provided by (used in) investing activities | -1,570 | 4,093 | -1,457 | 1,266 | 839 | -1,070 | -188 | -513 | -674 | -971 | -340 | -325 |
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| Net increase (decrease) in short-term borrowings | 10 | - | -270 | 60 | - | -120 | - | - | - | - | 50 | -5 |
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| Repayments of long-term borrowings | -400 | -400 | -457 | -342 | -396 | -418 | -240 | -291 | -272 | -259 | -410 | -495 |
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| Proceeds from long-term borrowings | - | - | 1,000 | 500 | - | - | - | 760 | 200 | - | 1,450 | - |
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| Purchase of treasury shares | -100 | -3 | -500 | -1,582 | -1 | -9 | -702 | -690 | -1 | -1 | -1,300 | -0 |
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| Proceeds from disposal of treasury shares | - | - | - | - | - | - | 0 | 189 | 1 | 0 | 0 | 8 |
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| Dividends paid | -114 | -113 | -115 | -105 | -99 | -118 | -134 | -133 | -128 | -128 | -119 | -110 |
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| Net cash provided by (used in) financing activities | -608 | -522 | -635 | -1,498 | -512 | -598 | -1,077 | -166 | -200 | -388 | -329 | -603 |
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| Effect of exchange rate change on cash and cash equivalents | 14 | 3 | 13 | -2 | 1 | -1 | 1 | -12 | -8 | - | - | 0 |
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| Net increase (decrease) in cash and cash equivalents | -2,808 | 5,290 | -2,069 | 1,567 | 2,800 | -859 | -810 | 485 | 361 | -1,462 | -511 | -1,216 |
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