| Dec 31, 2011 | Dec 31, 2012 | Dec 31, 2013 | Dec 31, 2014 | Dec 31, 2015 | Dec 31, 2016 | Dec 31, 2017 | Dec 31, 2018 | Dec 31, 2019 | Dec 31, 2020 | Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Net (loss) income | 19 | 29 | 47 | 49 | 68 | 115 | 190 | 106 | 253 | -338 | -75 | -268 | 582 | 425 |
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| Share-based compensation | 2 | 3 | 5 | 5 | 8 | 8 | 10 | 12 | 15 | 19 | 17 | 13 | 20 | 44 |
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| Depreciation and amortization | 38 | 56 | 77 | 92 | 102 | 100 | 121 | 130 | 142 | 208 | 236 | 211 | 199 | 183 |
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| Amortization of Debt Issuance Costs | - | - | - | - | - | - | 0 | 4 | 4 | 13 | 9 | 8 | 5 | - |
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| Deferred income taxes | -6 | -3 | -4 | -7 | -8 | 5 | -12 | -13 | -5 | -84 | -85 | -39 | 4 | 15 |
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| Credit loss | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 3 | 10 | 16 | 12 | 13 | - |
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| Impairment loss | 0 | 1 | 1 | 4 | 15 | 22 | 26 | 5 | 2 | 109 | 60 | 71 | 73 | 74 |
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| Loss from equity method investments, net of dividends | - | - | - | - | - | - | - | -23 | -31 | -22 | -9 | -12 | -10 | -13 |
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| Foreign currency exchange loss (gain) | - | - | - | - | - | - | - | - | - | - | - | -49 | 17 | -36 |
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| Investment loss (income) | - | - | - | - | - | 17 | 25 | -147 | 68 | -17 | -11 | -47 | 113 | 2 |
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| Noncash lease expense | - | - | - | - | - | - | - | - | 321 | 316 | 361 | 327 | 305 | 315 |
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| Others | -15 | - | - | - | - | - | - | - | - | - | - | - | -7 | -4 |
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| Accounts receivable | 3 | 2 | 5 | 3 | 1 | 7 | -1 | 5 | 5 | -5 | 18 | 90 | -42 | 13 |
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| Other assets | 4 | 5 | 8 | 2 | -0 | 1 | 8 | 5 | 25 | 13 | 9 | -22 | -1 | -2 |
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| Salary and welfare payables | 4 | 6 | 5 | 6 | 4 | 9 | 20 | 13 | -4 | -7 | 11 | 9 | 57 | 17 |
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| Deferred revenue | - | - | - | - | - | - | - | 17 | 40 | -8 | 35 | -3 | 81 | 64 |
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| Accrued expenses and other current liabilities | 5 | 6 | 10 | 10 | 19 | 29 | 44 | 20 | 58 | 68 | -69 | 74 | 157 | 103 |
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| Operating lease liabilities | - | - | - | - | - | - | - | - | - | - | -333 | -233 | -360 | -336 |
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| Income tax payable | 1 | 2 | 3 | 7 | 9 | 9 | 7 | 7 | -5 | 14 | 13 | 12 | 9 | 34 |
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| Other long-term liabilities | 3 | 5 | 9 | 11 | 9 | 7 | 8 | 10 | 17 | 6 | 19 | 3 | 12 | 53 |
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| Others, net | - | - | - | - | - | - | - | - | - | - | - | - | 7 | 1 |
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| Net cash provided by operating activities | 73 | 115 | - | - | - | - | 377 | 444 | 473 | 93 | 210 | 227 | 1,080 | 1,030 |
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| Purchases of property and equipment | - | - | - | - | - | - | - | - | 219 | 267 | 260 | 152 | 126 | 121 |
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| Purchases of intangible asset | 2 | 1 | 1 | 2 | 1 | 2 | 1 | 1 | 1 | 4 | 3 | 1 | 1 | 2 |
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| Acquisitions, net of cash received | 9 | 5 | 6 | 3 | 3 | -19 | 576 | 72 | 35 | 775 | 116 | 8 | - | - |
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| Purchases of investments | - | - | - | - | - | - | - | - | - | - | - | 58 | 494 | 550 |
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| Proceeds from maturity/sale and return of investments | - | - | - | 14 | 4 | 2 | 20 | 26 | 288 | 61 | 235 | 136 | 419 | 351 |
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| Origination of loan receivables | - | - | - | - | - | 5 | 69 | 46 | 65 | 20 | 27 | 25 | 32 | 24 |
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| Collection of loan receivables | - | - | - | - | - | 7 | 9 | 63 | 37 | 26 | 25 | 30 | 20 | 29 |
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| Other investing activities | -1 | - | - | - | - | - | - | - | - | - | - | - | -7 | -10 |
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| Net cash used in investing activities | -117 | -171 | - | - | - | - | -1,032 | -923 | -41 | -1,240 | -219 | -76 | -207 | -307 |
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| Proceeds from Issuance of Common Stock | - | - | - | - | - | - | - | - | - | 922 | - | - | - | - |
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| Proceeds from Termination of Capped Call | - | - | - | - | - | - | - | - | - | - | - | 12 | - | - |
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| Payment of repurchases of ordinary shares | - | - | - | - | 17 | - | - | - | - | - | - | 48 | 119 | 161 |
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| Proceeds from short-term debt | - | - | 17 | 48 | 91 | 41 | 21 | 135 | 318 | 254 | 359 | 616 | 106 | 11 |
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| Repayment of short-term debt | - | - | 17 | 48 | 44 | 48 | 45 | 19 | 273 | 306 | 389 | 281 | 485 | 50 |
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| Proceeds from long-term debt | - | 0 | - | - | - | - | 558 | 622 | 1,893 | 253 | 8 | 407 | 49 | 67 |
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| Repayment of long-term debt | - | - | - | - | - | - | - | - | - | - | - | 342 | 329 | 19 |
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| Proceeds from long-term finance liabilities | - | - | - | - | - | - | - | - | - | 13 | 6 | 8 | 10 | 10 |
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| Repayment of long-term finance liabilities | - | - | - | - | - | - | - | - | - | 6 | 7 | 7 | 9 | 10 |
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| Dividends paid | - | - | - | - | - | 40 | 47 | - | 95 | 104 | - | 60 | - | 477 |
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| Repayment of convertible senior notes | - | - | - | - | - | - | - | - | - | - | - | 494 | - | - |
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| Principal payments of finance lease | - | - | - | - | - | - | - | - | - | 3 | 4 | 6 | 11 | 9 |
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| Purchase of prepaid put option | - | - | - | - | - | - | - | - | - | - | - | - | - | 97 |
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| Other financing activities | - | - | - | - | - | - | - | - | - | - | - | - | -13 | -19 |
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| Net cash used in financing activities | 2 | 3 | - | - | - | - | 697 | 618 | 868 | 134 | -283 | -201 | -523 | -754 |
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| Effect of exchange rate changes on cash and cash equivalents, and restricted cash | - | - | - | - | - | - | - | - | - | - | - | 43 | 22 | 4 |
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| Net (decrease) increase in cash, cash equivalents and restricted cash, including cash and cash equivalents classified within assets held for sale | - | - | - | - | - | - | - | 136 | 1,309 | -1,058 | -306 | -7 | 372 | -27 |
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| Less: net increase (decrease) in cash and cash equivalents classified within assets held for sale | - | - | - | - | - | - | - | - | - | - | - | - | 2 | -1 |
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| Interest paid, net of amounts capitalized | - | - | - | - | 1 | 1 | 29 | 35 | 59 | 73 | 47 | 37 | 37 | 23 |
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| Income taxes paid | - | - | - | - | - | - | 58 | 89 | 102 | 36 | 75 | 56 | 159 | 179 |
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| Capital Expenditures Incurred but Not yet Paid | 63 | 95 | 106 | 94 | 79 | 65 | 94 | 100 | 138 | 113 | 76 | 95 | 67 | 60 |
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