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v3.26.1

Joint Venture (Details) - USD ($) $ in Millions |  | 1 Months Ended
--- | --- | ---
May 10, 2023 | Feb. 28, 2019
6.0% Notes Due 2026 | Unsecured Debt |  |
Schedule of Equity Method Investments [Line Items] |  |
Interest rate | 6.00% |
Roblox China Holding Corp |  |
Schedule of Equity Method Investments [Line Items] |  |
Equity method investment ownership percentage |  | 51.00%
Roblox China Holding Corp | 6.0% Notes Due 2026 |  |
Schedule of Equity Method Investments [Line Items] |  |
Proceeds from debt, net of issuance costs | $ 15 |
Roblox China Holding Corp | 6.0% Notes Due 2026 | Unsecured Debt |  |
Schedule of Equity Method Investments [Line Items] |  |
Debt instrument, aggregated principal amount | $ 30 |
Debt instrument, term of maturity date extension | 2 years |
Roblox China Holding Corp | Songhua River Investment Limited |  |
Schedule of Equity Method Investments [Line Items] |  |
Minority interest percentage in joint venture |  | 49.00%
Roblox China Holding Corp | Songhua River Investment Limited |  |
Schedule of Equity Method Investments [Line Items] |  |
Contribution by non controlling interest to the joint venture |  | $ 50
Roblox China Holding Corp | Songhua River Investment Limited | 6.0% Notes Due 2026 |  |
Schedule of Equity Method Investments [Line Items] |  |
Proceeds from debt, net of issuance costs | $ 15 |

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