| Dec 31, 2021 | Dec 31, 2022 | Dec 31, 2023 | Dec 31, 2024 |
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| Cash and cash equivalents | 3,004 | 2,977 | 678 | 712 |
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| Short-term investments | - | - | 1,515 | 1,698 |
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| Accounts receivable—net of allowances | 307 | 379 | 506 | 615 |
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| Prepaid expenses and other current assets | 32 | 62 | 75 | 75 |
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| Deferred Costs, Current | 406 | 420 | 502 | 628 |
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| Total current assets | 3,750 | 3,839 | 3,275 | 3,728 |
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| Long-term investments | - | - | 1,043 | 1,610 |
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| Property and equipment—net | 271 | 592 | 695 | 660 |
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| Operating lease right-of-use assets | 221 | 526 | 665 | 666 |
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| Deferred Costs, Noncurrent | 138 | 225 | 283 | 322 |
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| Intangible assets, net | 60 | 55 | 53 | 34 |
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| Goodwill | 118 | 134 | 142 | 142 |
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| Other assets | 3 | 4 | 10 | 14 |
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| Total assets | 4,561 | 5,375 | 6,168 | 7,175 |
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| Accounts payable | 64 | 71 | 60 | 43 |
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| Accrued Liabilities, Current | 181 | 236 | 271 | 276 |
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| Developer exchange liability | 164 | 232 | 315 | 340 |
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| Deferred revenue—current portion | 1,758 | 1,942 | 2,406 | 3,005 |
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| Total current liabilities | 2,167 | 2,481 | 3,052 | 3,663 |
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| Deferred revenue—net of current portion | 617 | 1,095 | 1,373 | 1,567 |
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| Operating lease liabilities | 195 | 495 | 647 | 670 |
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| Long-term debt, net | 988 | 989 | 1,005 | 1,006 |
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| Other long-term liabilities | 1 | 11 | 22 | 60 |
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| Total liabilities | 3,968 | 5,070 | 6,099 | 6,966 |
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| Common stock issued, value | 0 | 0 | 0 | 0 |
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| Additional paid-in capital | 1,569 | 2,214 | 3,135 | 4,221 |
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| Accumulated other comprehensive income/(loss) | 0 | 1 | 2 | -4 |
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| Accumulated deficit | -984 | -1,908 | -3,060 | -3,996 |
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| Total Roblox Corporation Stockholders’ equity | 593 | 306 | 76 | 221 |
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| Noncontrolling interest | 8 | -1 | -8 | -13 |
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| Total Stockholders’ equity | 593 | 305 | 69 | 209 |
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| Total Liabilities and Stockholders’ equity | 4,561 | 5,375 | 6,168 | 7,175 |
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