| Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 |
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| Profit (loss) before income taxes | 406 | 410 | 1,689 | 1,826 | 2,178 | 1,473 |
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| Depreciation | 17 | 18 | 10 | 6 | 10 | 41 |
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| Amortization of goodwill | 6 | - | - | 6 | 7 | 7 |
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| Borrowing related expenses | - | - | - | - | 12 | 16 |
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| Increase (decrease) in reserve for success fee refunds | - | 25 | - | - | -25 | - |
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| Increase (decrease) in provision for retirement benefits for directors (and other officers) | 78 | 11 | 11 | 4 | - | -2 |
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| Increase (decrease) in provision for directors' bonuses-stock | - | - | - | 37 | 50 | 50 |
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| Increase (decrease) in provision for employee's' bonuses-stock | - | - | - | - | 4 | 8 |
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| Increase (decrease) in retirement benefit liability | 36 | 12 | 17 | 10 | 13 | 30 |
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| Interest and dividend income | - | - | - | - | -1 | -60 |
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| Interest expenses | - | - | - | 21 | 28 | 12 |
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| Commission expenses | - | - | - | - | - | 1 |
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| Foreign exchange losses (gains) | 2 | 7 | 8 | 16 | -1 | 8 |
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| Decrease (increase) in trade receivables | 54 | 20 | 6 | -19 | 29 | -131 |
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| Decrease (increase) in investment securities for sale | -457 | -577 | -2,093 | -5,064 | -1,417 | 73 |
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| Decrease (increase) in operating loans receivable | - | - | - | - | -430 | -217 |
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| Decrease (increase) in other current assets | -14 | 16 | 0 | -30 | -89 | -33 |
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| Increase (decrease) in other current liabilities | 16 | 113 | 530 | -311 | -66 | -80 |
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| Increase (decrease) in other non-current liabilities | - | 12 | 32 | 202 | 116 | -57 |
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| Subtotal | 639 | 904 | 935 | -3,251 | 40 | 426 |
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| Interest and dividends received | - | - | - | - | 1 | 58 |
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| Interest paid | - | - | - | -21 | -28 | -10 |
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| Income taxes paid | -335 | -399 | -174 | -936 | -467 | -649 |
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| Net cash provided by (used in) operating activities | 304 | 506 | 765 | -4,205 | -454 | -176 |
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| Payments into restricted deposits | - | - | - | - | - | -70 |
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| Purchase of property, plant and equipment | -2 | -2 | -6 | -3 | -3 | -6 |
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| Payments of leasehold and guarantee deposits | -43 | -1 | -10 | -1 | -2 | -4 |
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| Purchase of investment securities | - | - | -59 | -117 | -22 | -22 |
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| Collection of loans receivable from subsidiaries and associates | - | - | - | - | - | 298 |
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| Loan advances to subsidiaries and associates | - | - | - | - | - | -585 |
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| Net cash provided by (used in) investing activities | -31 | -102 | -19 | -102 | -28 | -390 |
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| Proceeds from short-term borrowings | - | - | - | - | 50 | 287 |
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| Repayments of short-term borrowings | - | - | - | - | -50 | - |
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| Proceeds from long-term borrowings | - | - | 723 | - | 1,273 | 1,004 |
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| Repayments of long-term borrowings | - | - | - | - | -858 | -1,202 |
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| Proceeds from issuance of shares | 690 | 893 | 4,155 | 72 | 44 | 12 |
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| Dividends paid | - | - | -206 | -293 | -314 | -335 |
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| Purchase of treasury shares | - | -0 | - | -150 | -150 | -299 |
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| Proceeds from changes in ownership interests in subsidiaries that do not result in change in scope of consolidation | 56 | - | - | 3 | - | 388 |
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| Payments from changes in ownership interests in subsidiaries that do not result in change in scope of consolidation | - | - | - | - | - | -4 |
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| Net cash provided by (used in) financing activities | 747 | 893 | 4,673 | 131 | -6 | -150 |
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| Effect of exchange rate change on cash and cash equivalents | 18 | -15 | -30 | -31 | -12 | -22 |
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| Net increase (decrease) in cash and cash equivalents | 1,038 | 1,282 | 5,388 | -4,207 | -500 | -738 |
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| Decrease in cash and cash equivalents resulting from exclusion of subsidiaries from consolidation | - | - | - | - | - | -3 |
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