| 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 | - | - | - | - | - | - | - | 23 | 34 | -8 | -535 | -1,470 | 429 | -1,167 |
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| Depreciation and amortization | - | - | 26 | 25 | 21 | 17 | 13 | 4 | 17 | 13 | 11 | 11 | 15 | 18 |
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| Reduction in carrying amount of right-of-use assets | - | - | - | - | - | - | - | - | - | - | - | 8 | 9 | 8 |
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| Credit losses and sales allowances | 1 | 5 | 2 | 3 | 1 | 0 | 2 | 2 | 0 | 3 | 2 | 1 | 1 | 1 |
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| Deferred taxes | - | - | -3 | -2 | 10 | -5 | -2 | -8 | -3 | -21 | -284 | 131 | -569 | -775 |
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| Release of liabilities for unrecognized tax benefits | - | - | -15 | - | 1 | 0 | - | - | 3 | - | 1 | 0 | 1 | 1 |
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| Share-based compensation expense | - | - | 2 | 12 | 17 | 12 | 14 | 15 | 10 | 11 | 44 | 64 | 70 | 77 |
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| Impairment Of Intangible Assets Net Gains On Sale | - | - | - | - | - | - | - | - | - | - | - | 1,286 | 116 | 1,790 |
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| Amortization of Debt Issuance Costs | - | - | - | - | - | - | - | - | - | - | - | - | 9 | 15 |
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| Loss (gain) on debt extinguishment | - | - | - | - | - | - | - | - | - | - | - | - | 45 | -23 |
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| Accounts receivable | 15 | 3 | -1 | 0 | -5 | 17 | -15 | 8 | 4 | 1 | -3 | 5 | -10 | -6 |
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| Prepaid expenses and other current assets | -7 | -0 | 1 | 3 | -4 | 1 | 4 | 7 | -6 | -2 | 0 | 6 | 11 | -4 |
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| Deposits and other assets | -0 | -0 | -1 | -1 | -2 | 4 | -3 | 1 | -1 | -0 | 2 | 7 | 1 | 11 |
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| Accounts payable and accrued expenses | 5 | 3 | -5 | -2 | 2 | 7 | -9 | 3 | -7 | 9 | 4 | -4 | -1 | 1 |
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| Accrued compensation and employee benefits | 9 | 5 | 8 | -27 | -8 | 4 | -4 | 5 | -3 | -7 | 2 | -12 | -12 | -35 |
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| Accrued interest | - | - | - | - | - | - | - | - | - | - | 1 | 1 | -1 | 4 |
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| Deferred revenue and advance payments | - | - | - | - | - | - | - | -22 | 21 | -20 | 15 | 15 | 2 | 1 |
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| Operating lease liabilities | - | - | - | - | - | - | - | - | -9 | -11 | -10 | -10 | -10 | -11 |
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| Other long-term liabilities | 7 | -2 | -3 | 0 | -3 | -3 | 34 | 6 | -1 | 4 | -2 | -8 | 2 | -3 |
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| Net cash (used in) provided by operating activities | 61 | 50 | 30 | 15 | 150 | - | - | 11 | 61 | 54 | 94 | 3 | 13 | -53 |
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| Purchases of digital assets | - | - | - | - | - | - | - | - | - | 1,125 | 2,627 | 288 | 1,902 | 22,073 |
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| Proceeds from sale of digital assets | - | - | - | - | - | - | - | - | - | - | - | 12 | - | - |
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| Advance deposits on purchases of property and equipment | - | - | - | - | - | - | - | - | - | - | - | - | - | 11 |
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| Purchases of property and equipment | 41 | 31 | 11 | 12 | 3 | 2 | 4 | 7 | 10 | 4 | 3 | 2 | 3 | 3 |
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| Net cash used in investing activities | -36 | -36 | -55 | -82 | -8 | - | - | -209 | 354 | -1,019 | -2,629 | -279 | -1,905 | -22,086 |
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| Proceeds from Convertible Debt | - | - | - | - | - | - | - | - | - | - | - | - | - | 6,214 |
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| Issuance costs paid | - | - | - | - | - | - | - | - | - | 15 | - | - | - | - |
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| Payments to settle conversions and redemption of convertible senior notes | - | - | - | - | - | - | - | - | - | - | - | - | - | 0 |
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| Proceeds from secured term loan, net of lender fees | - | - | - | - | - | - | - | - | - | - | - | 205 | - | - |
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| Issuance costs paid for secured term loan, excluding lender fees | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - |
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| Repayments of secured debt and third-party extinguishment costs | - | - | - | - | - | - | - | - | - | - | - | - | 160 | 515 |
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| Proceeds from other long-term secured debt | - | - | - | - | - | - | - | - | - | - | - | 11 | - | - |
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| Issuance costs paid for other long-term secured debt | - | - | - | - | - | - | - | - | - | - | - | 0 | - | - |
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| Principal payments of other long-term secured debt | - | - | - | - | - | - | - | - | - | - | - | 0 | 1 | 1 |
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| Proceeds from Issuance of Common Stock | - | - | - | - | - | - | - | - | - | - | - | 47 | 2,029 | 16,363 |
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| Issuance costs paid related to sale of common stock under public offerings | - | - | - | - | - | - | - | - | - | - | - | 0 | 9 | 33 |
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| Proceeds from Stock Options Exercised | 2 | 10 | 0 | 1 | 10 | 2 | 2 | 2 | 7 | 51 | 41 | 1 | 31 | 184 |
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| Proceeds from Stock Plans | - | - | - | - | - | - | - | - | - | - | - | 4 | 4 | 4 |
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| Payment of withholding tax on vesting of restricted stock units | - | - | - | - | - | 4 | - | - | - | - | 5 | 2 | 4 | 2 |
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| Net cash provided by financing activities | 2 | 10 | 22 | -1 | 9 | - | - | -109 | -66 | 563 | 2,542 | 265 | 1,890 | 22,133 |
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| Effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash | - | - | - | - | - | - | - | -3 | -1 | 5 | -3 | -3 | 0 | -2 |
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| Net decrease in cash, cash equivalents, and restricted cash | - | - | - | - | - | - | 18 | -310 | 347 | -397 | 4 | -14 | -2 | -9 |
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| Cash paid during the year for interest | - | - | - | - | - | - | - | - | - | - | 20 | 43 | 41 | 45 |
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| Income Taxes Paid, Net | 2 | 6 | 13 | 6 | 13 | 24 | 29 | 13 | 6 | 7 | 7 | 22 | 30 | 1 |
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