$RBLX
Roblox Corp Stock $rblx

$rblx Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-K Financial Statement

#000131509824000026 Filed on February 21, 2024

Income Statement

Concept	2023 Q4	2023
Revenue	$749.9M	$2.799B
YoY Change	29.52%	25.81%
Cost Of Revenue	$171.7M	$649.1M
YoY Change	20.52%	18.53%
Gross Profit	$578.3M	$2.150B
YoY Change	32.46%	28.18%
Gross Profit Margin	77.11%	76.81%
Selling, General & Admin	$592.3M	$2.156B
YoY Change	20.87%	419.72%
% of Gross Profit	102.43%	100.25%
Research & Development	$341.1M	$1.254B
YoY Change	37.33%	43.52%
% of Gross Profit	58.99%	58.3%
Depreciation & Amortization	$54.54M	$208.1M
YoY Change	28.22%	83.06%
% of Gross Profit	9.43%	9.68%
Operating Expenses	$933.5M	$3.409B
YoY Change	26.41%	164.64%
Operating Profit	-$355.2M	-$1.259B
YoY Change	17.65%	36.29%
Interest Expense	$29.23M	$101.1M
YoY Change	151.39%	153.39%
% of Operating Profit
Other Income/Expense, Net	$898.0K	-$527.0K
YoY Change	-54.83%	-90.83%
Pretax Income	-$325.1M	-$1.158B
YoY Change	12.76%	24.49%
Income Tax	$277.0K	$454.0K
% Of Pretax Income
Net Earnings	-$323.7M	-$1.152B
YoY Change	11.65%	24.62%
Net Earnings / Revenue	-43.16%	-41.15%
Basic Earnings Per Share		-$1.87
Diluted Earnings Per Share	-$0.52	-$1.87
COMMON SHARES
Basic Shares Outstanding		616.4M shares
Diluted Shares Outstanding		616.4M shares

Balance Sheet

Concept	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$2.193B	$2.193B
YoY Change	-26.34%	-26.34%
Cash & Equivalents	$678.5M	$678.5M
Short-Term Investments	$1.515B	$1.515B
Other Short-Term Assets	$576.4M	$576.4M
YoY Change	3399.94%	19.63%
Inventory
Prepaid Expenses	$48.56M
Receivables	$505.8M	$505.8M
Other Receivables	$0.00	$0.00
Total Short-Term Assets	$3.275B	$3.275B
YoY Change	-14.67%	-14.67%
LONG-TERM ASSETS
Property, Plant & Equipment	$1.360B	$1.360B
YoY Change	129.67%	21.65%
Goodwill	$142.1M
YoY Change	5.8%
Intangibles	$53.06M
YoY Change	-3.03%
Long-Term Investments	$1.043B	$1.043B
YoY Change
Other Assets	$293.6M	$293.6M
YoY Change	6691.81%	27.96%
Total Long-Term Assets	$2.893B	$2.893B
YoY Change	88.22%	88.22%
TOTAL ASSETS
Total Short-Term Assets	$3.275B	$3.275B
Total Long-Term Assets	$2.893B	$2.893B
Total Assets	$6.168B	$6.168B
YoY Change	14.74%	14.74%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$60.09M	$60.09M
YoY Change	-15.59%	-15.59%
Accrued Expenses	$271.1M	$271.1M
YoY Change	14.88%	14.88%
Deferred Revenue	$2.406B
YoY Change	23.91%
Short-Term Debt	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$3.052B	$3.052B
YoY Change	23.04%	23.04%
LONG-TERM LIABILITIES
Long-Term Debt	$1.005B	$1.005B
YoY Change	1.62%	1.62%
Other Long-Term Liabilities	$2.042B	$2.042B
YoY Change	27.58%	27.58%
Total Long-Term Liabilities	$3.047B	$3.047B
YoY Change	208.1%	17.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$3.052B	$3.052B
Total Long-Term Liabilities	$3.047B	$3.047B
Total Liabilities	$6.092B	$6.092B
YoY Change	20.14%	20.17%
SHAREHOLDERS EQUITY
Retained Earnings	-$3.060B
YoY Change	60.36%
Common Stock	$3.135B
YoY Change	41.62%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$76.29M	$76.29M
YoY Change
Total Liabilities & Shareholders Equity	$6.168B	$6.168B
YoY Change	14.74%	14.74%

Cashflow Statement

Concept	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	-$323.7M	-$1.152B
YoY Change	11.65%	24.62%
Depreciation, Depletion And Amortization	$54.54M	$208.1M
YoY Change	28.22%	83.06%
Cash From Operating Activities	$143.3M	$458.2M
YoY Change	20.18%	24.07%
INVESTING ACTIVITIES
Capital Expenditures	$65.17M	$334.2M
YoY Change	-58.55%	-21.59%
Acquisitions		$3.859M
YoY Change		-71.18%
Other Investing Activities	$14.07M	-$2.491B
YoY Change	-294.77%	18505.71%
Cash From Investing Activities	-$51.10M	-$2.825B
YoY Change	-68.92%	540.54%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net	$5.926M	$53.23M
YoY Change		16.34%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	5.876M	67.18M
YoY Change	224.64%	53.93%
NET CHANGE
Cash From Operating Activities	143.3M	458.2M
Cash From Investing Activities	-51.10M	-2.825B
Cash From Financing Activities	5.876M	67.18M
Net Change In Cash	98.06M	-2.300B
YoY Change	-325.94%	8472.81%
FREE CASH FLOW
Cash From Operating Activities	$143.3M	$458.2M
Capital Expenditures	$65.17M	$334.2M
Free Cash Flow	$78.11M	$124.0M
YoY Change	-305.64%	-318.08%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2022	us-gaap	Interest Expense InterestExpense	39903000	usd
CY2021	us-gaap	Interest Expense InterestExpense	6998000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1287000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-934141000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	678466000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2977474000	usd
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001315098
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2022Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#AccruedLiabilitiesCurrent
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-04321
CY2023	dei	Entity Registrant Name EntityRegistrantName	Roblox Corporation
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-0991664
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	970 Park Place
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	San Mateo
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	94403
CY2023	dei	City Area Code CityAreaCode	888
CY2023	dei	Local Phone Number LocalPhoneNumber	858-2569
CY2023	dei	Security12b Title Security12bTitle	Class A common stock, par value of $0.0001 per share
CY2023	dei	Trading Symbol TradingSymbol	RBLX
CY2023	dei	Security Exchange Name SecurityExchangeName	NYSE
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	Yes
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	16300000000	usd
CY2023	dei	Auditor Firm AuditorFirmId	34
CY2023	dei	Auditor Name AuditorName	DELOITTE & TOUCHE LLP
CY2023	dei	Auditor Location AuditorLocation	San Jose, California
CY2023Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	678466000	usd
CY2022Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2977474000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	1514808000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	0	usd
CY2023Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	505769000	usd
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	379353000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	74549000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	61641000	usd
CY2023Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	501821000	usd
CY2022Q4	us-gaap	Deferred Costs Current DeferredCostsCurrent	420136000	usd
CY2023Q4	us-gaap	Assets Current AssetsCurrent	3275413000	usd
CY2022Q4	us-gaap	Assets Current AssetsCurrent	3838604000	usd
CY2023Q4	us-gaap	Long Term Investments LongTermInvestments	1043399000	usd
CY2022Q4	us-gaap	Long Term Investments LongTermInvestments	0	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	695360000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	592346000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	665107000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	526030000	usd
CY2023Q4	us-gaap	Deferred Costs DeferredCosts	283326000	usd
CY2022Q4	us-gaap	Deferred Costs DeferredCosts	225132000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	53060000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	54717000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	142129000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	134335000	usd
CY2023Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	10284000	usd
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	4323000	usd
CY2023Q4	us-gaap	Assets Assets	6168078000	usd
CY2022Q4	us-gaap	Assets Assets	5375487000	usd
CY2023Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	60087000	usd
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	71182000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	271121000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	236006000	usd
CY2023Q4	rblx	Developer Exchange Liability DeveloperExchangeLiability	314866000	usd
CY2022Q4	rblx	Developer Exchange Liability DeveloperExchangeLiability	231704000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	2406292000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1941943000	usd
CY2023Q4	us-gaap	Liabilities Current LiabilitiesCurrent	3052366000	usd
CY2022Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2480835000	usd
CY2023Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	1373250000	usd
CY2022Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	1095291000	usd
CY2023Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	646506000	usd
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	494590000	usd
CY2023Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	1005000000	usd
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	988984000	usd
CY2023Q4	rblx	Other Long Term Liabilities Non Current OtherLongTermLiabilitiesNonCurrent	22330000	usd
CY2022Q4	rblx	Other Long Term Liabilities Non Current OtherLongTermLiabilitiesNonCurrent	10752000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	6099452000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	5070452000	usd
CY2023Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2023Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	5000000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	5000000000	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	631221000	shares
CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	631221000	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	604674000	shares
CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	604674000	shares
CY2023Q4	us-gaap	Common Stock Value CommonStockValue	61000	usd
CY2022Q4	us-gaap	Common Stock Value CommonStockValue	59000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	3134946000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2213603000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	1536000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	671000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-3060253000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-1908307000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	76290000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	306026000	usd
CY2023Q4	us-gaap	Minority Interest MinorityInterest	-7664000	usd
CY2022Q4	us-gaap	Minority Interest MinorityInterest	-991000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	68626000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	305035000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	6168078000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5375487000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2799274000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2225052000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1919181000	usd
CY2023	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	649115000	usd
CY2022	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	547658000	usd
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	496870000	usd
CY2023	us-gaap	Exchange Fees ExchangeFees	740752000	usd
CY2022	us-gaap	Exchange Fees ExchangeFees	623855000	usd
CY2021	us-gaap	Exchange Fees ExchangeFees	538321000	usd
CY2023	rblx	Infrastructure And Trust And Safety Expenses InfrastructureAndTrustAndSafetyExpenses	878361000	usd
CY2022	rblx	Infrastructure And Trust And Safety Expenses InfrastructureAndTrustAndSafetyExpenses	689081000	usd
CY2021	rblx	Infrastructure And Trust And Safety Expenses InfrastructureAndTrustAndSafetyExpenses	456498000	usd
CY2023	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	1253598000	usd
CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	873477000	usd
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	533207000	usd
CY2023	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	390055000	usd
CY2022	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	297317000	usd
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	303020000	usd
CY2022	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	117448000	usd
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	86363000	usd
CY2021	us-gaap	Costs And Expenses CostsAndExpenses	2414279000	usd
CY2023	us-gaap	Interest Expense InterestExpense	40707000	usd
CY2023	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-527000	usd
CY2022	us-gaap	Other Operating Income Expense Net OtherOperatingIncomeExpenseNet	-5744000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-1158483000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-930589000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-503800000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	454000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3552000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-320000	usd
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CY2022	us-gaap	Profit Loss ProfitLoss	-934141000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-503480000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-6991000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9775000	usd
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CY2023	us-gaap	Net Income Loss NetIncomeLoss	-1151946000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	-924366000	usd
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	23749000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-491651000	usd
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.87
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.87
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.55
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.55
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.97
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.97
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	616445000	shares
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	616445000	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	595559000	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	595559000	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	505858000	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	505858000	shares
CY2023	us-gaap	Profit Loss ProfitLoss	-1158937000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-934141000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-503480000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1089000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1287000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-55000	usd
CY2023	rblx	Available For Sale Marketable Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleMarketableSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	94000	usd
CY2022	rblx	Available For Sale Marketable Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleMarketableSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	0	usd
CY2021	rblx	Available For Sale Marketable Securities Change In Net Unrealized Holding Gain Loss Net Of Tax AvailableForSaleMarketableSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax	0	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1183000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1287000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-55000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-1157754000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-932854000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	-503535000	usd
CY2023	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-6991000	usd
CY2022	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-9775000	usd
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-11829000	usd
CY2023	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	318000	usd
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	678000	usd
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Adjustment Net Of Tax Portion Attributable To Noncontrolling Interest OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest	-27000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-6673000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-9097000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	-11856000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-1151081000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-923757000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-491679000	usd
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	-232381000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	65242000	usd
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	31274000	usd
CY2021	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	11268000	usd
CY2021	us-gaap	Stock Issued During Period Value Conversion Of Convertible Securities StockIssuedDuringPeriodValueConversionOfConvertibleSecurities	879113000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	341942000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-55000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-503480000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	22778000	usd
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	10138000	usd
CY2022	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	22702000	usd
CY2022	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	150000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	305035000	usd
CY2023	us-gaap	Stock Issued During Period Value Employee Stock Purchase Plan StockIssuedDuringPeriodValueEmployeeStockPurchasePlan	29629000	usd
CY2023Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	68626000	usd
CY2023	us-gaap	Profit Loss ProfitLoss	-1158937000	usd
CY2022	us-gaap	Profit Loss ProfitLoss	-934141000	usd
CY2021	us-gaap	Profit Loss ProfitLoss	-503480000	usd
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	208142000	usd
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	130083000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	75622000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	867967000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	589498000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	341942000	usd
CY2023	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	97063000	usd
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	69100000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	43794000	usd
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	73162000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	0	usd
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1316000	usd
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	1261000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	216000	usd
CY2023	rblx	Impairment Expense Gain Loss On Investment And Other Asset Sales And Other Net ImpairmentExpenseGainLossOnInvestmentAndOtherAssetSalesAndOtherNet	8969000	usd
CY2022	rblx	Impairment Expense Gain Loss On Investment And Other Asset Sales And Other Net ImpairmentExpenseGainLossOnInvestmentAndOtherAssetSalesAndOtherNet	361000	usd
CY2021	rblx	Impairment Expense Gain Loss On Investment And Other Asset Sales And Other Net ImpairmentExpenseGainLossOnInvestmentAndOtherAssetSalesAndOtherNet	680000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	126172000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	72479000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	61044000	usd
CY2023	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3475000	usd
CY2022	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	10302000	usd
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	23369000	usd
CY2023	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	12770000	usd
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	33769000	usd
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	13593000	usd
CY2023	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	5961000	usd
CY2022	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1221000	usd
CY2021	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	1367000	usd
CY2023	rblx	Increase Decrease In Developer Exchange Liability IncreaseDecreaseInDeveloperExchangeLiability	83162000	usd
CY2022	rblx	Increase Decrease In Developer Exchange Liability IncreaseDecreaseInDeveloperExchangeLiability	67798000	usd
CY2021	rblx	Increase Decrease In Developer Exchange Liability IncreaseDecreaseInDeveloperExchangeLiability	82994000	usd
CY2023	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	8680000	usd
CY2022	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	19560000	usd
CY2021	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	58809000	usd
CY2023	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	11397000	usd
CY2022	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	10159000	usd
CY2021	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-1189000	usd
CY2023	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-50454000	usd
CY2022	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-47875000	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-34743000	usd
CY2023	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	742294000	usd
CY2022	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	662378000	usd
CY2021	us-gaap	Increase Decrease In Deferred Revenue IncreaseDecreaseInDeferredRevenue	819927000	usd
CY2023	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	139879000	usd
CY2022	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	101719000	usd
CY2021	us-gaap	Increase Decrease In Deferred Charges IncreaseDecreaseInDeferredCharges	172828000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	458180000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	369296000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	659109000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	320667000	usd
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	426163000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	93273000	usd
CY2023	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	3859000	usd
CY2022	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	13388000	usd
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	45692000	usd
CY2023	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	13500000	usd
CY2022	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	1500000	usd
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	7856000	usd
CY2023	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	4591974000	usd
CY2022	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	usd
CY2021	us-gaap	Payments To Acquire Investments PaymentsToAcquireInvestments	0	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	1642719000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	0	usd
CY2023	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	462182000	usd
CY2022	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	usd
CY2021	us-gaap	Proceeds From Sale Maturity And Collections Of Investments ProceedsFromSaleMaturityAndCollectionsOfInvestments	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2825099000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-441051000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-146821000	usd
CY2023	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	53226000	usd
CY2022	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	45752000	usd
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	76177000	usd
CY2023	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2022	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	534286000	usd
CY2023	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2022	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	150000	usd
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	0	usd
CY2023	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	14700000	usd
CY2022	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	0	usd
CY2021	us-gaap	Proceeds From Issuance Of Debt ProceedsFromIssuanceOfDebt	990000000	usd
CY2023	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	0	usd
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	154000	usd
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	2339000	usd
CY2023	rblx	Payments Related To Business Combination After Acquisition Date PaymentsRelatedToBusinessCombinationAfterAcquisitionDate	750000	usd
CY2022	rblx	Payments Related To Business Combination After Acquisition Date PaymentsRelatedToBusinessCombinationAfterAcquisitionDate	150000	usd
CY2021	rblx	Payments Related To Business Combination After Acquisition Date PaymentsRelatedToBusinessCombinationAfterAcquisitionDate	0	usd
CY2023	rblx	Payment Of Term License Related Obligations PaymentOfTermLicenseRelatedObligations	0	usd
CY2022	rblx	Payment Of Term License Related Obligations PaymentOfTermLicenseRelatedObligations	1656000	usd
CY2021	rblx	Payment Of Term License Related Obligations PaymentOfTermLicenseRelatedObligations	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	67176000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	43642000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1598124000	usd
CY2023	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	735000	usd
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	1287000	usd
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-55000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-2299008000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-26826000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2110357000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	2977474000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3004300000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	893943000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3004300000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	38750000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	38965000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	0	usd
CY2023	us-gaap	Income Taxes Paid IncomeTaxesPaid	3145000	usd
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	953000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2023	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	31340000	usd
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	57199000	usd
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	50388000	usd
CY2023	rblx	Intangible Asset Purchases In Accounts Payable IntangibleAssetPurchasesInAccountsPayable	1200000	usd
CY2022	rblx	Intangible Asset Purchases In Accounts Payable IntangibleAssetPurchasesInAccountsPayable	0	usd
CY2021	rblx	Intangible Asset Purchases In Accounts Payable IntangibleAssetPurchasesInAccountsPayable	0	usd
CY2023	us-gaap	Stock Issued1 StockIssued1	0	usd
CY2022	us-gaap	Stock Issued1 StockIssued1	10138000	usd
CY2021	us-gaap	Stock Issued1 StockIssued1	31274000	usd
CY2023	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	usd
CY2022	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	0	usd
CY2021	us-gaap	Conversion Of Stock Amount Converted1 ConversionOfStockAmountConverted1	879113000	usd
CY2023	rblx	Debt Issuance Costs Incurred But Not Yet Paid DebtIssuanceCostsIncurredButNotYetPaid	0	usd
CY2022	rblx	Debt Issuance Costs Incurred But Not Yet Paid DebtIssuanceCostsIncurredButNotYetPaid	0	usd
CY2021	rblx	Debt Issuance Costs Incurred But Not Yet Paid DebtIssuanceCostsIncurredButNotYetPaid	154000	usd
CY2023	us-gaap	Fiscal Period FiscalPeriod	<div style="margin-top:12pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Fiscal Year</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—The Company’s fiscal year ends on December 31. For example, references to fiscal 2023, 2022, and 2021 refer to the fiscal year ending December 31, 2023, December 31, 2022, and December 31, 2021, respectively.</span></div>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-top:12pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Use of Estimates</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—The preparation of consolidated financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Significant estimates and assumptions reflected in the consolidated financial statements include, but are not limited to, the estimated period of time the virtual items are available to the user, which is estimated as the average lifetime of a paying user, and the estimated amount of consumable and durable virtual items purchased for which the Company lacks specific information that is used for revenue recognition, the estimated amount of expected breakage related to prepaid card sales, useful lives of property and equipment and intangible assets, fair value of assets and liabilities acquired through acquisitions, accrued liabilities (including accrued developer exchange fees), contingent liabilities, valuation of deferred tax assets and liabilities, stock-based compensation expense, the discount rate used in measuring our operati</span><span style="background-color:#ffffff;color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">ng lease liabilities, the carrying value of operating lease right-of-use assets, evaluation of recoverability of goodwill, intangible assets and long-lived assets, and as necessary, estimates of fair value to measure impairment losses. Management believes that the estimates, and judgments upon which they rely, are reasonable based upon information available to them at the time that these estimates and judgments are made. Actual results could differ from those estimates and any such differences may be material to the consolidated financial statements. To the extent that there are material differences between these estimates and actual results, the Company’s consolidated financial statements will be affected.</span></div>
CY2023	rblx	Contract With Customer Average Lifetime Of A Paying User ContractWithCustomerAverageLifetimeOfAPayingUser	P28M
CY2022	rblx	Contract With Customer Average Lifetime Of A Paying User ContractWithCustomerAverageLifetimeOfAPayingUser	P28M
CY2021	rblx	Contract With Customer Average Lifetime Of A Paying User ContractWithCustomerAverageLifetimeOfAPayingUser	P23M
CY2023	rblx	Contract With Customer Average Lifetime Of A Paying User ContractWithCustomerAverageLifetimeOfAPayingUser	P28M
CY2023	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="margin-top:18pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Concentration of Credit Risk and Significant Customers</span><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">—Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and cash equivalents, short-term investments, long-term investments and accounts receivables. Cash is deposited with high quality financial institutions and may, at times, exceed federally insured limits. Management believes that the financial institutions that hold the Company’s cash deposits are financially creditworthy and, accordingly, minimal credit risk exists with respect to those balances. Generally, these deposits may be redeemed upon demand and, therefore, bear minimal interest rate risk. As it relates to cash equivalents, short-term investments, and long-term investments, the Company’s investment policy limits the amount of credit exposure in its portfolio by imposing credit rating minimums and limiting purchases by security type and sector.</span></div><div style="margin-top:12pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The Company uses various distribution channels to collect and remit payments from users. As of December 31, 2023 and 2022, one distribution channel accounted for 30% and 37% of our accounts receivable, respectively, while a second distribution channel accounted for 26% and 19% of our accounts receivable, respectively.</span></div><div style="margin-top:12pt;text-indent:24.75pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">For the years ended December 31, 2023, 2022, and 2021, one distribution channel processed 30%, 32%, and 35% of our overall revenue transactions, respectively, and a second distribution channel processed 17%, 18%, and 19% of our overall revenue transactions, respectively.</span></div>
CY2023	us-gaap	Advertising Expense AdvertisingExpense	38300000	usd
CY2022	us-gaap	Advertising Expense AdvertisingExpense	36200000	usd
CY2022Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023Q4	us-gaap	Restricted Cash RestrictedCash	0	usd
CY2023	rblx	Contract With Customer Payment Remittance Term ContractWithCustomerPaymentRemittanceTerm	P30D
CY2021	us-gaap	Advertising Expense AdvertisingExpense	26800000	usd
CY2022Q1	rblx	Developer Exchange Program Minimum Virtual Currency Earned Requirement DeveloperExchangeProgramMinimumVirtualCurrencyEarnedRequirement	100000	robux
CY2022Q1	rblx	Developer Exchange Program Minimum Virtual Currency Earned Requirement DeveloperExchangeProgramMinimumVirtualCurrencyEarnedRequirement	50000	robux
CY2022Q1	rblx	Developer Exchange Program Minimum Virtual Currency Earned Requirement DeveloperExchangeProgramMinimumVirtualCurrencyEarnedRequirement	50000	robux
CY2023Q1	rblx	Developer Exchange Program Minimum Virtual Currency Earned Requirement DeveloperExchangeProgramMinimumVirtualCurrencyEarnedRequirement	30000	robux
CY2023Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2022Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	1941900000	usd
CY2023	us-gaap	Operating Lease Expense OperatingLeaseExpense	139482000	usd
CY2022	us-gaap	Operating Lease Expense OperatingLeaseExpense	90933000	usd
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	53442000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	31655000	usd
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	11586000	usd
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	3860000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111300000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	28415000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	54144000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	73200000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	97524000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	146863000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	133076000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	112626000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	96542000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	421443000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1008074000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	250275000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	757799000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M24D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y9M18D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.063
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.055
CY2023	rblx	Cash Paid For Amounts Included In The Measurement Of Lease Liabilities CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilities	105337000	usd
CY2022	rblx	Cash Paid For Amounts Included In The Measurement Of Lease Liabilities CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilities	70515000	usd
CY2021	rblx	Cash Paid For Amounts Included In The Measurement Of Lease Liabilities CashPaidForAmountsIncludedInTheMeasurementOfLeaseLiabilities	52942000	usd
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	256500000	usd
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	373844000	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	70068000	usd
CY2023	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	-16600000	usd
CY2022	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	-1800000	usd
CY2021	us-gaap	Payments For Proceeds From Tenant Allowance PaymentsForProceedsFromTenantAllowance	-9100000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	3187097000	usd
CY2023	us-gaap	Available For Sale Debt Securities Gross Unrealized Gain AvailableForSaleDebtSecuritiesGrossUnrealizedGain	4100000	usd
CY2023	us-gaap	Available For Sale Debt Securities Gross Unrealized Loss AvailableForSaleDebtSecuritiesGrossUnrealizedLoss	4006000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	3187922000	usd
CY2023Q4	us-gaap	Cash Equivalents At Carrying Value CashEquivalentsAtCarryingValue	629715000	usd
CY2023Q4	us-gaap	Marketable Securities Current MarketableSecuritiesCurrent	1514808000	usd
CY2023Q4	us-gaap	Marketable Securities Noncurrent MarketableSecuritiesNoncurrent	1043399000	usd
CY2023	rblx	Available For Sale Short Term Debt Investments Contractual Maturities Period AvailableForSaleShortTermDebtInvestmentsContractualMaturitiesPeriod	P1Y
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	917186000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	4006000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	917186000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4006000	usd
CY2021Q4	us-gaap	Goodwill Goodwill	118071000	usd
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	16264000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	134335000	usd
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	7536000	usd
CY2023	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	258000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	142129000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	100155000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	47668000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	52487000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	82559000	usd
CY2022Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	600000	usd
CY2023Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	600000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P3Y2M12D
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	19300000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	16400000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	10800000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths	18954000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Two FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo	15727000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Three FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree	6692000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Four FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour	3129000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive	1934000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingAfterYearFive	6051000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	52487000	usd
CY2023Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	48555000	usd
CY2022Q4	us-gaap	Prepaid Expense Current PrepaidExpenseCurrent	45173000	usd
CY2023Q4	us-gaap	Interest Receivable Current InterestReceivableCurrent	14697000	usd
CY2022Q4	us-gaap	Interest Receivable Current InterestReceivableCurrent	6026000	usd
CY2023Q4	us-gaap	Other Assets Current OtherAssetsCurrent	11297000	usd
CY2022Q4	us-gaap	Other Assets Current OtherAssetsCurrent	10442000	usd
CY2023Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	74549000	usd
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	61641000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1138069000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	859128000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	442709000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	266782000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	695360000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	592346000	usd
CY2023	us-gaap	Depreciation Depreciation	188900000	usd
CY2022	us-gaap	Depreciation Depreciation	113700000	usd
CY2021	us-gaap	Depreciation Depreciation	64900000	usd
CY2023Q4	rblx	Accrued Operating Expenses Current AccruedOperatingExpensesCurrent	51921000	usd
CY2022Q4	rblx	Accrued Operating Expenses Current AccruedOperatingExpensesCurrent	80122000	usd
CY2023Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	111293000	usd
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	73235000	usd
CY2023Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6458000	usd
CY2022Q4	us-gaap	Interest Payable Current InterestPayableCurrent	6458000	usd
CY2023Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	59632000	usd
CY2022Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	49361000	usd
CY2023Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	32125000	usd
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	21003000	usd
CY2023Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	9692000	usd
CY2022Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	5827000	usd
CY2023Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	271121000	usd
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	236006000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	38750000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	38750000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	38750000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	38750000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	38750000	usd
CY2023Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	1058120000	usd
CY2023Q4	us-gaap	Long Term Debt LongTermDebt	1251870000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Next Twelve Months PurchaseObligationDueInNextTwelveMonths	223201000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Second Year PurchaseObligationDueInSecondYear	157973000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Third Year PurchaseObligationDueInThirdYear	78117000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Fourth Year PurchaseObligationDueInFourthYear	261000	usd
CY2023Q4	us-gaap	Purchase Obligation Due In Fifth Year PurchaseObligationDueInFifthYear	209000	usd
CY2023Q4	us-gaap	Purchase Obligation Due After Fifth Year PurchaseObligationDueAfterFifthYear	0	usd
CY2023Q4	us-gaap	Purchase Obligation PurchaseObligation	459761000	usd
CY2023Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	11600000	usd
CY2022Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	9900000	usd
CY2021Q1	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	361744000	shares
CY2021Q1	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	349124000	shares
CY2021Q1	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	870654000	usd
CY2021Q1	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	879113000	usd
CY2020Q4	us-gaap	Temporary Equity Shares Authorized TemporaryEquitySharesAuthorized	349522000	shares
CY2020Q4	us-gaap	Temporary Equity Shares Outstanding TemporaryEquitySharesOutstanding	337235000	shares
CY2020Q4	us-gaap	Temporary Equity Liquidation Preference TemporaryEquityLiquidationPreference	335654000	usd
CY2020	us-gaap	Reclassifications Of Temporary To Permanent Equity ReclassificationsOfTemporaryToPermanentEquity	344827000	usd
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000	shares
CY2023Q4	rblx	Common Stock Conversion Ratio CommonStockConversionRatio	1
CY2023Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	175012000	shares
CY2022Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	165630000	shares
CY2021Q4	us-gaap	Common Stock Capital Shares Reserved For Future Issuance CommonStockCapitalSharesReservedForFutureIssuance	148863000	shares
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	867967000	usd
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	589498000	usd
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	341942000	usd
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	98502000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.55
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P7Y9M3D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	3838994000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	1862000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	3.95
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	33373000	shares
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	1.95
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	63267000	shares
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.82
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y11M19D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	6348395000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	2061000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	4.06
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9615000	shares
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.37
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	51591000	shares
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.85
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1321183000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	762000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	4.60
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	10670000	shares
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.23
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	40159000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.98
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y1M28D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1716171000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	37753000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	2.86
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y29D
CY2023Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1618078000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	40159000	shares
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	2.98
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P5Y1M28D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	1716171000	usd
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	373400000	usd
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	423300000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2548300000	usd
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	51900000	usd
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	64100000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	79900000	usd
CY2023Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	26900000	usd
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Files In Submission

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$RBLX
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2023 Q4 Form 10-K Financial Statement

#000131509824000026 Filed on February 21, 2024

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$RBLX Roblox Corp Stock $rblx

2023 Q4 Form 10-K Financial Statement

#000131509824000026 Filed on February 21, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RBLX
Roblox Corp Stock $rblx