| Dec 31,
2018 | Dec 31,
2019 | Dec 31,
2020 | Dec 31,
2021 | Dec 31,
2022 | Dec 31,
2023 | Dec 31,
2024 |
|---|
| Net loss | -84 | -68 | -246 | -385 | -655 | -479 | -436 |
|---|
| Depreciation and amortization | 7 | 11 | 16 | 22 | 36 | 43 | 42 |
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| Operating lease costs | - | - | 6 | 25 | 29 | 30 | 31 |
|---|
| Contingent consideration | - | 0 | -0 | 2 | 4 | 0 | 1 |
|---|
| Stock-based compensation | 7 | 17 | 144 | 151 | 95 | 91 | 140 |
|---|
| Amortization of debt issuance costs | - | - | - | - | - | 3 | 3 |
|---|
| Amortization of (discount) premium on marketable debt securities | 0 | 2 | -4 | -13 | -5 | 14 | 7 |
|---|
| Unrealized and realized losses (gains) on marketable equity securities | - | - | - | - | - | - | -44 |
|---|
| Other Asset Impairment Charges | - | - | - | - | 5 | 29 | - |
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| Other | - | - | -7 | -0 | -0 | 1 | -2 |
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| Accounts receivable, net | 23 | 7 | 5 | 44 | -0 | -8 | 21 |
|---|
| Inventory, net | 2 | 6 | 8 | 8 | 21 | 10 | 9 |
|---|
| Prepaid expenses and other current assets, net | 4 | 6 | 6 | 36 | -20 | 4 | 8 |
|---|
| Other assets, net | 0 | 3 | 19 | 4 | -12 | -1 | 2 |
|---|
| Accounts payable and accrued liabilities | - | - | - | - | 60 | 89 | -3 |
|---|
| Operating lease liabilities | - | - | - | - | - | -31 | -36 |
|---|
| Deferred revenue | - | - | - | - | - | 2 | 19 |
|---|
| Net cash used in operating activities | -72 | -47 | -104 | -209 | -309 | -325 | -240 |
|---|
| Purchases of marketable debt securities | - | - | - | - | - | 630 | 307 |
|---|
| Maturities of marketable debt securities | - | - | - | - | - | 1,495 | 35 |
|---|
| Proceeds from Sale of Held-to-Maturity Securities | - | - | - | - | - | - | 54 |
|---|
| Purchases of non-marketable equity securities and other related assets | - | - | - | 39 | 24 | 6 | 8 |
|---|
| Purchases of property and equipment | 20 | 19 | 36 | 75 | 77 | 20 | 35 |
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| Net cash (used in) provided by investing activities | -153 | -318 | -617 | -63 | 150 | 840 | -261 |
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| Proceeds from Stock Plans | - | - | - | - | - | 10 | 12 |
|---|
| Proceeds from Stock Options Exercised | 3 | 12 | 10 | 8 | 3 | 0 | 3 |
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| Employee taxes paid related to settlement of restricted stock units | - | - | 3 | 84 | 8 | 11 | 16 |
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| Proceeds from equity offerings | - | 350 | 356 | - | - | 493 | - |
|---|
| Payment of equity offering costs | 4 | 1 | 1 | - | - | 21 | - |
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| Joint Venture Acquisition | - | - | - | - | 178 | - | - |
|---|
| Noncash, Tender Offer Issued | - | - | - | - | -14 | - | - |
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| Other | - | - | - | - | - | 6 | -0 |
|---|
| Net cash (used in) provided by financing activities | 293 | 367 | 1,410 | -67 | -189 | 477 | -1 |
|---|
| Net effect of foreign exchange rate changes on cash, cash equivalents and restricted cash | - | 0 | 0 | -2 | -2 | -1 | -2 |
|---|
| Net (decrease) increase in cash, cash equivalents and restricted cash | - | 3 | 690 | -341 | -350 | 992 | -504 |
|---|
| Income Taxes Paid, Net | 0 | 0 | 0 | 0 | 1 | 2 | 1 |
|---|
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | - | 17 | 13 | 171 | 4 | 5 | 8 |
|---|
| Capital Expenditures Incurred but Not yet Paid | - | - | - | - | - | 5 | 4 |
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