| Feb 29, 2012 | Feb 28, 2014 | Feb 28, 2015 | Feb 29, 2016 | Feb 28, 2017 | Feb 28, 2018 | Feb 28, 2019 | Feb 29, 2020 | Feb 28, 2021 | Feb 28, 2022 | Feb 28, 2023 | Feb 29, 2024 |
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| Net loss | - | - | 67 | 103 | 112 | 195 | 365 | -128 | -143 | -1,164 | -132 | -4 |
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| Depreciation | 5 | 10 | 12 | 18 | 29 | 51 | 77 | 100 | 137 | 171 | 35 | 24 |
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| Amortization of intangible assets | 490,883 | 461,482 | 737,203 | 1 | 5 | 8 | 12 | 16 | 24 | 14 | 1 | 1 |
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| Amortization of land use rights | - | - | - | - | - | - | - | 3 | 4 | 5 | 4 | 5 |
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| Loss / (gain) on disposal of property and equipment | -70,637 | -28,617 | -47,148 | 313 | -29,751 | -47,809 | -0 | -1 | -1 | -23 | -1 | 2 |
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| Share-based compensation | 8 | 8 | 18 | 26 | 36 | 47 | 77 | 118 | 205 | 175 | 109 | 89 |
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| Impairment Loss on Operating Assets, Intangible Assets and Goodwill | - | - | - | - | - | - | - | 63 | 155 | 898 | 1 | -5 |
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| Impairment loss on long-term investments | - | - | - | - | - | - | - | - | - | - | - | 47 |
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| (Income) / loss from equity method investments | - | - | -729,811 | -663,256 | -8,025,431 | -7,677,594 | -16 | -8 | 12 | 11 | -2 | -6 |
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| (Gain) / loss from fair value change of investments | - | - | 1 | 1 | -1,246,800 | 936,722 | 16 | -104 | 9 | 7 | -68 | 22 |
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| Gain from disposal of long-term investments | - | 297,120 | - | 211,818 | - | 9 | 3 | 25 | 1 | 10 | 7 | 18 |
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| Gain from disposal of a subsidiary | - | - | - | - | - | - | - | - | -1 | - | 10 | - |
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| Dividend received from an equity-method investment | - | - | - | - | - | - | - | - | - | 3 | - | 1 |
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| Inventory | 105,784 | -228,408 | 362,326 | -207,006 | 2 | 2 | 2 | 18 | 17 | -5 | 20 | 35 |
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| Amounts due from related parties | - | - | - | 732,545 | 2 | -368,717 | 1 | 2 | -1 | 0 | -0 | -0 |
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| Prepaid expenses and other current assets | 4 | 5 | 8 | -1,297,204 | 12 | 47 | 35 | 25 | 206 | -269 | 12 | 50 |
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| Income tax receivables | - | 10 | -6,601,804 | -3,222,529 | 2 | 13 | -8 | 4 | 4 | 4 | -14 | -5 |
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| Deferred income taxes | 430,239 | - | - | 787,579 | 3 | -5,180,859 | 20 | 58 | 242 | -304 | -0 | -1 |
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| Rental deposits | 2 | 2 | 4 | 5 | 14 | 15 | 9 | 17 | 29 | -7 | -13 | -10 |
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| Other non-current assets | - | - | 296,149 | 1 | 543,896 | 194,500 | -1 | -0 | 9 | -11 | 3 | 9 |
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| Accounts payable | 2 | 106,728 | 2 | 4 | 5 | 31 | 49 | 1 | 229 | -253 | -3 | 24 |
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| Deferred revenue | - | - | - | - | - | - | - | 344 | 529 | -1,230 | 54 | 191 |
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| Amounts due to related parties | - | - | - | - | - | - | - | 0 | -1 | -3 | -0 | -0 |
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| Increase (Decrease) in Accrued Liabilities | 7 | 9 | 10 | 3 | 24 | 105 | 118 | 204 | 283 | -386 | -110 | 46 |
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| Operating lease right-of-use assets | - | - | - | - | - | - | - | 219 | 300 | -1,319 | -76 | 82 |
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| Operating lease liabilities | - | - | - | - | - | - | - | 228 | 320 | -1,334 | -83 | 81 |
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| Net cash (used in) / provided by operating activities | 73 | - | - | - | - | 685 | 194 | 856 | 955 | -939 | 7 | 306 |
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| Loan to third parties | - | - | - | - | 99 | 6 | 34 | 14 | - | 1 | 1 | - |
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| Repayment of loan to third parties | - | - | - | - | - | - | - | - | 14 | - | - | 10 |
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| Repayment of loan to related parties | - | - | - | - | - | - | - | 2 | - | - | 0 | 0 |
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| Loan to employees | - | - | - | - | 11 | 6 | 3 | 2 | 3 | 2 | - | - |
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| Repayment of loan to employees | - | - | - | - | 2 | 6 | 6 | 5 | 5 | 7 | 2 | 0 |
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| Prepayment for investments | - | - | - | - | 59 | 44 | 3 | 18 | 6 | 2 | 8 | - |
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| Purchase of land use rights | - | - | - | - | - | - | 210 | 7 | - | - | - | 7 |
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| Purchase of property and equipment | 73 | 11 | 31 | 35 | 71 | 126 | 138 | 178 | 245 | 246 | 110 | 113 |
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| Purchase of intangible assets | 2 | 20,561 | 139,565 | - | - | 2 | 7 | 3 | 1 | 0 | - | 1 |
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| Purchase of short-term investments | - | - | 765,611 | 27 | 314 | 1,197 | 581 | 547 | 2,535 | 1,345 | 1,667 | 671 |
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| Proceeds from short-term investments | - | - | - | 765,611 | 109 | 658 | 1,103 | 517 | 208 | 3,003 | 1,622 | 993 |
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| Proceeds from disposal of property and equipment | 3,224 | 42,633 | 91,410 | 390,925 | 559,730 | 927,862 | 2 | 1 | 1 | 26 | 20 | 3 |
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| Business acquisitions, net of cash acquired | - | 8 | - | - | 27 | 14 | 67 | 7 | 12 | - | 0 | - |
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| Purchase of long-term investments | - | - | 75 | 119 | 65 | 197 | 244 | 118 | 53 | 138 | 201 | 194 |
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| Proceeds from Sale of Long-Term Investments | - | - | - | - | - | 19 | 4 | 61 | 2 | 67 | 42 | 76 |
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| Net cash provided by / (used in) investing activities | -59,095,759 | - | - | - | - | -840,355,992 | -167 | -339 | -2,641 | 1,369 | -302 | 95 |
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| Repayment of short-term debt | - | - | - | - | - | - | - | 209 | 4 | 270 | - | - |
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| Payments for purchasing noncontrolling interests | - | - | - | - | 16 | 19 | 4 | 5 | - | 2 | - | - |
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| Proceeds from Stock Options Exercised | - | - | - | 645,989 | 2 | 2 | 1 | 2 | 8 | 1 | 0 | 0 |
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| Repayment of convertible bond | - | - | - | - | - | - | - | 0 | - | 2,300 | - | - |
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| Share repurchase | - | - | - | - | - | - | - | - | 10 | 196 | 66 | 234 |
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| Net cash used in financing activities | - | - | - | - | - | 428 | 475 | 131 | 4,795 | -2,767 | -66 | -233 |
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| Effect of exchange rate changes | - | - | - | - | - | - | - | - | - | - | -26 | -6 |
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| Net (decrease) / increase in cash, cash equivalents and restricted cash | - | - | - | - | - | - | - | 651 | 3,103 | -2,336 | -387 | 163 |
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| Interest paid | - | - | - | - | - | 14 | 13 | 7 | 8 | 9 | - | - |
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| Income tax paid | 7 | 16 | 12 | 21 | 37 | 71 | 62 | 122 | 159 | 118 | 6 | 2 |
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| Payable for purchase of property and equipment | - | - | - | - | - | - | - | - | - | 49 | 16 | 57 |
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| Payable for purchase of intangible assets | - | - | - | - | - | 3 | 3 | 1 | 1 | 1 | - | 0 |
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| Payable for investments and acquisitions | 119,171 | 122,054 | 2 | 3 | 7 | 14 | 39 | 0 | 0 | 0 | 0 | - |
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| Share consideration for purchase of intangible assets | - | - | - | - | - | - | - | - | - | - | - | 0 |
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