10-K Filing

GUARDANT HEALTH, INC. CIK: 1576280 FY 2020

Filing Information

Form Type	10-K
Accession Number	`0001576280-21-000031`
Period End Date	20201231
Filing Date	20210225
Fiscal Year	2020
Fiscal Period	FY
XBRL Instance	gh-20201231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 90 Income Statement 60 Cash Flow Statement 167 Stockholders Equity 43 Comprehensive Income 21

Balance Sheet 90 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$832.98M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$143.23M	USD	Point-in-time
Short-term marketable securities	`MarketableSecuritiesCurrent`	$961.90M	USD	Point-in-time
Short-term marketable securities	`MarketableSecuritiesCurrent`	$379.57M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$47.99M	USD	Point-in-time
Accounts receivable, net	`AccountsReceivableNetCurrent`	$53.30M	USD	Point-in-time
Inventory	`InventoryNet`	$15.18M	USD	Point-in-time
Inventory	`InventoryNet`	$22.72M	USD	Point-in-time
Preferred stock, par value (in usd per share)	`PreferredStockParOrStatedValuePerShare`	-	USD	Point-in-time
Preferred stock, par value (in usd per share)	`PreferredStockParOrStatedValuePerShare`	-	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Prepaid expenses and other current assets, net	`PrepaidExpenseAndOtherAssetsCurrent`	$17.47M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	10.00M	shares	Point-in-time
Prepaid expenses and other current assets, net	`PrepaidExpenseAndOtherAssetsCurrent`	$11.39M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$597.36M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.89B	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Long-term marketable securities	`MarketableSecuritiesNoncurrent`	$268.78M	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Long-term marketable securities	`MarketableSecuritiesNoncurrent`	$246.60M	USD	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	-	USD	Point-in-time
Common stock, par value (in usd per share)	`CommonStockParOrStatedValuePerShare`	-	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$62.78M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$43.67M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Right-of-use assets	`OperatingLeaseRightOfUseAsset`	$29.14M	USD	Point-in-time
Right-of-use assets	`OperatingLeaseRightOfUseAsset`	$37.34M	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	350.00M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	94.26M	shares	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$16.16M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	100.21M	shares	Point-in-time
Intangible assets, net	`IntangibleAssetsNetExcludingGoodwill`	$8.52M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	100.21M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	94.26M	shares	Point-in-time
Goodwill	`Goodwill`	$3.29M	USD	Point-in-time
Goodwill	`Goodwill`	$3.29M	USD	Point-in-time
Variable interest entity, assets	`Assets`	$962.53M	USD	Point-in-time
Capitalized license fees	`CapitalizedLicenseFees`	$6.89M	USD	Point-in-time
Variable interest entity, assets	`Assets`	$2.27B	USD	Point-in-time
Capitalized license fees	`CapitalizedLicenseFees`	$45.00K	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$4.88M	USD	Point-in-time
Other assets, net	`OtherAssetsNoncurrent`	$17.21M	USD	Point-in-time
Variable interest entity, liabilities	`Liabilities`	$114.54M	USD	Point-in-time
Variable interest entity, liabilities	`Liabilities`	$916.19M	USD	Point-in-time
Total Assets	`Assets`	$962.53M	USD	Point-in-time
Total Assets	`Assets`	$2.27B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$16.20M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$7.34M	USD	Point-in-time
Accrued compensation	`DeferredCompensationLiabilityCurrent`	$28.28M	USD	Point-in-time
Accrued compensation	`DeferredCompensationLiabilityCurrent`	$18.56M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$25.70M	USD	Point-in-time
Accrued expenses	`AccruedLiabilitiesCurrent`	$22.64M	USD	Point-in-time
Deferred revenue	`DeferredRevenueCurrent`	$12.28M	USD	Point-in-time
Deferred revenue	`DeferredRevenueCurrent`	$8.55M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$66.81M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$72.73M	USD	Point-in-time
Convertible senior notes, net	`ConvertibleDebtNoncurrent`	$806.29M	USD	Point-in-time
Convertible senior notes, net	`ConvertibleDebtNoncurrent`	-	USD	Point-in-time
Long-term operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$33.26M	USD	Point-in-time
Long-term operating lease liabilities	`OperatingLeaseLiabilityNoncurrent`	$41.56M	USD	Point-in-time
Obligation related to royalty	`AccruedRoyaltiesNoncurrent`	-	USD	Point-in-time
Obligation related to royalty	`AccruedRoyaltiesNoncurrent`	$6.88M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.67M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$1.52M	USD	Point-in-time
Total Liabilities	`Liabilities`	$114.54M	USD	Point-in-time
Total Liabilities	`Liabilities`	$916.19M	USD	Point-in-time
Commitments and contingencies (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$49.60M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$57.10M	USD	Point-in-time
Preferred stock, par value of $0.00001 per share; 10,000,000 shares authorized, no shares issued and outstanding as of December 31, 2020 and 2019	`PreferredStockValueOutstanding`	-	USD	Point-in-time
Preferred stock, par value of $0.00001 per share; 10,000,000 shares authorized, no shares issued and outstanding as of December 31, 2020 and 2019	`PreferredStockValueOutstanding`	-	USD	Point-in-time
Common stock, par value of $0.00001 per share; 350,000,000 shares authorized as of December 31, 2020 and 2019; 100,213,985 and 94,261,414 shares issued and outstanding as of December 31, 2020 and 2019, respectively	`CommonStockValueOutstanding`	$1.00K	USD	Point-in-time
Common stock, par value of $0.00001 per share; 350,000,000 shares authorized as of December 31, 2020 and 2019; 100,213,985 and 94,261,414 shares issued and outstanding as of December 31, 2020 and 2019, respectively	`CommonStockValueOutstanding`	$1.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.15B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.90B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$1.11M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$2.70M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-606.59M	USD	Point-in-time
Accumulated deficit	`RetainedEarningsAccumulatedDeficit`	$-352.81M	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquity`	$1.30B	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquity`	$483.15M	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquity`	$308.61M	USD	Point-in-time
Total Stockholders Equity	`StockholdersEquity`	$798.39M	USD	Point-in-time
Total Liabilities, Redeemable Noncontrolling Interest and Stockholders Equity	`LiabilitiesAndStockholdersEquity`	$2.27B	USD	Point-in-time
Total Liabilities, Redeemable Noncontrolling Interest and Stockholders Equity	`LiabilitiesAndStockholdersEquity`	$962.53M	USD	Point-in-time

Income Statement 60 line items

Line Item	Tag	Value	Unit	Period
Precision oncology testing	`RevenuefromPrecisionOncologyTesting`	$78.41M	USD	Annual
Precision oncology testing	`RevenuefromPrecisionOncologyTesting`	$180.46M	USD	Annual
Precision oncology testing	`RevenuefromPrecisionOncologyTesting`	$236.32M	USD	Annual
Development services and other	`RevenuefromDevelopmentServices`	$50.41M	USD	Annual
Development services and other	`RevenuefromDevelopmentServices`	$33.91M	USD	Annual
Development services and other	`RevenuefromDevelopmentServices`	$12.23M	USD	Annual
Total revenue	`Revenues`	$214.38M	USD	Annual
Total revenue	`Revenues`	$286.73M	USD	Annual
Total revenue	`Revenues`	$90.64M	USD	Annual
Cost of precision oncology testing	`CostsofPrecisionOncologyTesting`	$39.85M	USD	Annual
Cost of precision oncology testing	`CostsofPrecisionOncologyTesting`	$62.26M	USD	Annual
Cost of precision oncology testing	`CostsofPrecisionOncologyTesting`	$74.77M	USD	Annual
Cost of development services and other	`CostofDevelopmentServices`	$17.77M	USD	Annual
Cost of development services and other	`CostofDevelopmentServices`	$3.36M	USD	Annual
Cost of development services and other	`CostofDevelopmentServices`	$8.46M	USD	Annual
Research and development expense	`ResearchAndDevelopmentExpense`	$149.86M	USD	Annual
Research and development expense	`ResearchAndDevelopmentExpense`	$50.71M	USD	Annual
Research and development expense	`ResearchAndDevelopmentExpense`	$86.29M	USD	Annual
Sales and marketing expense	`SellingAndMarketingExpense`	$53.47M	USD	Annual
Sales and marketing expense	`SellingAndMarketingExpense`	$78.33M	USD	Annual
Sales and marketing expense	`SellingAndMarketingExpense`	$106.51M	USD	Annual
General and administrative expense	`GeneralAndAdministrativeExpense`	$61.40M	USD	Annual
General and administrative expense	`GeneralAndAdministrativeExpense`	$36.19M	USD	Annual
General and administrative expense	`GeneralAndAdministrativeExpense`	$192.77M	USD	Annual
Total costs and operating expenses	`CostsAndExpenses`	$296.75M	USD	Annual
Total costs and operating expenses	`CostsAndExpenses`	$541.68M	USD	Annual
Total costs and operating expenses	`CostsAndExpenses`	$183.58M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-254.95M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-82.37M	USD	Annual
Loss from operations	`OperatingIncomeLoss`	$-92.94M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$5.27M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$10.17M	USD	Annual
Interest income	`InvestmentIncomeInterest`	$13.74M	USD	Annual
Interest expense	`InterestExpense`	$1.18M	USD	Annual
Interest expense	`InterestExpense`	$1.25M	USD	Annual
Interest expense	`InterestExpense`	$4.77M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$4.70M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$3.64M	USD	Annual
Other income	`OtherNonoperatingIncomeExpense`	$88.00K	USD	Annual
Loss before provision for income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-69.72M	USD	Annual
Loss before provision for income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-84.22M	USD	Annual
Loss before provision for income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments`	$-245.90M	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$38.00K	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$-1.87M	USD	Annual
Provision for (benefit from) income taxes	`IncomeTaxExpenseBenefit`	$379.00K	USD	Annual
Net loss	`ProfitLoss`	$-67.85M	USD	Annual
Net loss	`ProfitLoss`	$-246.28M	USD	Annual
Net loss	`ProfitLoss`	$-84.26M	USD	Annual
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$7.80M	USD	Annual
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$800.00K	USD	Annual
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$7.50M	USD	Annual
Net loss attributable to Guardant Health, Inc. common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-85.06M	USD	Annual
Net loss attributable to Guardant Health, Inc. common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-75.65M	USD	Annual
Net loss attributable to Guardant Health, Inc. common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-253.78M	USD	Annual
Net loss per share attributable to common stockholders, basic and diluted (in usd per share)	`EarningsPerShareBasicAndDiluted`	$-2.60	USD	Annual
Net loss per share attributable to common stockholders, basic and diluted (in usd per share)	`EarningsPerShareBasicAndDiluted`	$-2.80	USD	Annual
Net loss per share attributable to common stockholders, basic and diluted (in usd per share)	`EarningsPerShareBasicAndDiluted`	$-0.84	USD	Annual
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	97.50M	shares	Annual
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	30.40M	shares	Annual
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted (in shares)	`WeightedAverageNumberOfShareOutstandingBasicAndDiluted`	90.60M	shares	Annual

Cash Flow Statement 167 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-67.85M	USD	Annual
Net loss	`ProfitLoss`	$-246.28M	USD	Annual
Net loss	`ProfitLoss`	$-84.26M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$11.41M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$7.14M	USD	Annual
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$16.07M	USD	Annual
Non-cash operating lease costs	`NonCashOperatingLeaseCosts`	-	USD	Annual
Non-cash operating lease costs	`NonCashOperatingLeaseCosts`	$5.57M	USD	Annual
Non-cash operating lease costs	`NonCashOperatingLeaseCosts`	$4.41M	USD	Annual
Charge of in-process research and development costs with no alternative future use	`ChargeOfInProcessResearchAndDevelopment`	-	USD	Annual
Charge of in-process research and development costs with no alternative future use	`ChargeOfInProcessResearchAndDevelopment`	$8.50M	USD	Annual
Charge of in-process research and development costs with no alternative future use	`ChargeOfInProcessResearchAndDevelopment`	-	USD	Annual
Unrealized translation gains on obligation related to royalty	`UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty`	-	USD	Annual
Unrealized translation gains on obligation related to royalty	`UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty`	$147.00K	USD	Annual
Unrealized translation gains on obligation related to royalty	`UnrealizedTranslationsGainLossOnObligationRelatedToRoyalty`	$357.00K	USD	Annual
Re-valuation of contingent consideration	`BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1`	-	USD	Annual
Re-valuation of contingent consideration	`BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1`	$-120.00K	USD	Annual
Re-valuation of contingent consideration	`BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1`	$300.00K	USD	Annual
Non-cash stock-based compensation	`ShareBasedCompensation`	$16.95M	USD	Annual
Non-cash stock-based compensation	`ShareBasedCompensation`	$6.85M	USD	Annual
Non-cash stock-based compensation	`ShareBasedCompensation`	$144.11M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	$4.73M	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	-	USD	Annual
Amortization of debt discount and debt issuance costs	`AmortizationOfFinancingCostsAndDiscounts`	-	USD	Annual
Amortization of premium (discount) on marketable securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$2.31M	USD	Annual
Amortization of premium (discount) on marketable securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-4.02M	USD	Annual
Amortization of premium (discount) on marketable securities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$412.00K	USD	Annual
Benefit from income tax differences	`IncomeTaxCreditsAndAdjustments`	-	USD	Annual
Benefit from income tax differences	`IncomeTaxCreditsAndAdjustments`	-	USD	Annual
Benefit from income tax differences	`IncomeTaxCreditsAndAdjustments`	$-1.60M	USD	Annual
Credit loss adjustment and others	`OtherNoncashIncomeExpense`	$13.00K	USD	Annual
Credit loss adjustment and others	`OtherNoncashIncomeExpense`	-	USD	Annual
Credit loss adjustment and others	`OtherNoncashIncomeExpense`	$-7.15M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$22.90M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$5.46M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$7.39M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$6.04M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$7.54M	USD	Annual
Inventory	`IncreaseDecreaseInInventories`	$1.85M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$6.18M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$3.66M	USD	Annual
Prepaid expenses and other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$6.08M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$451.00K	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$2.85M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$19.33M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$4.34M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-7.86M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$5.05M	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$5.57M	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$9.72M	USD	Annual
Accrued compensation	`IncreaseDecreaseInEmployeeRelatedLiabilities`	$8.07M	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities`	$286.00K	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities`	$-1.36M	USD	Annual
Accrued expenses and other current liabilities	`IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities`	$9.29M	USD	Annual
Operating lease liabilities	`LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets`	$-1.17M	USD	Annual
Operating lease liabilities	`LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets`	-	USD	Annual
Operating lease liabilities	`LongTermOperatingLeaseLiabilitiesNetOfRightOfUseAssets`	$-6.04M	USD	Annual
Deferred rent	`IncreaseDecreaseInDeferredCharges`	$-1.31M	USD	Annual
Deferred rent	`IncreaseDecreaseInDeferredCharges`	-	USD	Annual
Deferred rent	`IncreaseDecreaseInDeferredCharges`	-	USD	Annual
Deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$13.03M	USD	Annual
Deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-3.86M	USD	Annual
Deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-3.73M	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-72.19M	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-103.93M	USD	Annual
Net cash used in operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-47.13M	USD	Annual
Purchase of marketable securities	`PaymentsToAcquireMarketableSecurities`	$287.45M	USD	Annual
Purchase of marketable securities	`PaymentsToAcquireMarketableSecurities`	$614.29M	USD	Annual
Purchase of marketable securities	`PaymentsToAcquireMarketableSecurities`	$1.13B	USD	Annual
Maturity of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$325.33M	USD	Annual
Maturity of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$562.55M	USD	Annual
Maturity of marketable securities	`ProceedsFromSaleAndMaturityOfMarketableSecurities`	$154.62M	USD	Annual
Business acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Business acquisition, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$7.33M	USD	Annual
Purchase of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$18.72M	USD	Annual
Purchase of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$20.20M	USD	Annual
Purchase of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$36.17M	USD	Annual
Purchase of intangible assets and capitalized license obligations	`PaymentsToAcquireIntangibleAssets`	$2.50M	USD	Annual
Purchase of intangible assets and capitalized license obligations	`PaymentsToAcquireIntangibleAssets`	$17.89M	USD	Annual
Purchase of intangible assets and capitalized license obligations	`PaymentsToAcquireIntangibleAssets`	-	USD	Annual
Payment in connection with a license agreement	`PaymentsInConnectionWithLicenseAgreements`	-	USD	Annual
Payment in connection with a license agreement	`PaymentsInConnectionWithLicenseAgreements`	-	USD	Annual
Payment in connection with a license agreement	`PaymentsInConnectionWithLicenseAgreements`	$68.00K	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-617.09M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-317.57M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-153.03M	USD	Annual
Payments made on royalty obligations	`PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations`	-	USD	Annual
Payments made on royalty obligations	`PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations`	$311.00K	USD	Annual
Payments made on royalty obligations	`PaymentRelatedtoSettlementofDebtandBuyoutofRoyaltyObligations`	-	USD	Annual
Payments made on finance lease obligations	`FinanceLeasePrincipalPayments`	$443.00K	USD	Annual
Payments made on finance lease obligations	`FinanceLeasePrincipalPayments`	$174.00K	USD	Annual
Payments made on finance lease obligations	`FinanceLeasePrincipalPayments`	$127.00K	USD	Annual
Proceeds from issuance of common stock under employee stock purchase plan	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans`	-	USD	Annual
Proceeds from issuance of common stock under employee stock purchase plan	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans`	$7.09M	USD	Annual
Proceeds from issuance of common stock under employee stock purchase plan	`ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlans`	$6.39M	USD	Annual
Proceeds from issuance of common stock upon exercise of stock options	`ProceedsFromStockOptionsExercised`	$3.11M	USD	Annual
Proceeds from issuance of common stock upon exercise of stock options	`ProceedsFromStockOptionsExercised`	$9.53M	USD	Annual
Proceeds from issuance of common stock upon exercise of stock options	`ProceedsFromStockOptionsExercised`	$11.64M	USD	Annual
Proceeds from issuance of common stock upon the exercise of warrants	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock upon the exercise of warrants	`ProceedsFromWarrantExercises`	-	USD	Annual
Proceeds from issuance of common stock upon the exercise of warrants	`ProceedsFromWarrantExercises`	$45.00K	USD	Annual
Taxes paid related to net share settlement of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.45M	USD	Annual
Taxes paid related to net share settlement of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	-	USD	Annual
Taxes paid related to net share settlement of restricted stock units	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	-	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$172.00K	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	-	USD	Annual
Proceeds from public offerings of common stock	`ProceedsFromIssuanceOfCommonStock`	$350.43M	USD	Annual
Proceeds from public offerings of common stock	`ProceedsFromIssuanceOfCommonStock`	$355.73M	USD	Annual
Proceeds from public offerings of common stock	`ProceedsFromIssuanceOfCommonStock`	$254.01M	USD	Annual
Payment of offering costs related to public offerings of common stock	`PaymentsOfStockIssuanceCosts`	$1.13M	USD	Annual
Payment of offering costs related to public offerings of common stock	`PaymentsOfStockIssuanceCosts`	$4.39M	USD	Annual
Payment of offering costs related to public offerings of common stock	`PaymentsOfStockIssuanceCosts`	$723.00K	USD	Annual
Proceeds from borrowings on convertible senior notes, net	`ProceedsFromConvertibleDebt`	$1.13B	USD	Annual
Proceeds from borrowings on convertible senior notes, net	`ProceedsFromConvertibleDebt`	-	USD	Annual
Proceeds from borrowings on convertible senior notes, net	`ProceedsFromConvertibleDebt`	-	USD	Annual
Purchase of convertible note hedges	`PaymentsForHedgeFinancingActivities`	-	USD	Annual
Purchase of convertible note hedges	`PaymentsForHedgeFinancingActivities`	-	USD	Annual
Purchase of convertible note hedges	`PaymentsForHedgeFinancingActivities`	$90.05M	USD	Annual
Net proceeds from issuance of equity interests in redeemable noncontrolling interest	`ProceedsFromMinorityShareholders`	-	USD	Annual
Net proceeds from issuance of equity interests in redeemable noncontrolling interest	`ProceedsFromMinorityShareholders`	-	USD	Annual
Net proceeds from issuance of equity interests in redeemable noncontrolling interest	`ProceedsFromMinorityShareholders`	$41.00M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$367.30M	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$1.41B	USD	Annual
Net cash provided by financing activities	`NetCashProvidedByUsedInFinancingActivities`	$293.16M	USD	Annual
Net effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$455.00K	USD	Annual
Net effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$84.00K	USD	Annual
Net effect of foreign exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	-	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$689.75M	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$67.95M	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$2.68M	USD	Annual
Cash, cash equivalents and restricted cash Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$832.98M	USD	Point-in-time
Cash, cash equivalents and restricted cash Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$143.23M	USD	Point-in-time
Cash, cash equivalents and restricted cash Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$140.54M	USD	Point-in-time
Cash, cash equivalents and restricted cash Beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.60M	USD	Point-in-time
Cash and cash equivalents End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$832.98M	USD	Point-in-time
Cash and cash equivalents End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$143.23M	USD	Point-in-time
Cash and cash equivalents End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$140.54M	USD	Point-in-time
Cash and cash equivalents End of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$72.60M	USD	Point-in-time
Operating lease liabilities arising from obtaining right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$16.71M	USD	Annual
Operating lease liabilities arising from obtaining right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$13.12M	USD	Annual
Operating lease liabilities arising from obtaining right-of-use assets	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	-	USD	Annual
Cash paid for interest	`InterestPaidNet`	$1.25M	USD	Annual
Cash paid for interest	`InterestPaidNet`	-	USD	Annual
Cash paid for interest	`InterestPaidNet`	$1.18M	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaidNet`	$331.00K	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaidNet`	$102.00K	USD	Annual
Cash paid for income taxes	`IncomeTaxesPaidNet`	$298.00K	USD	Annual
Purchases of property and equipment included in accounts payable and accrued expenses	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$1.52M	USD	Annual
Purchases of property and equipment included in accounts payable and accrued expenses	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$4.82M	USD	Annual
Purchases of property and equipment included in accounts payable and accrued expenses	`IncreaseDecreaseInCapitalExpendituresIncurredButNotYetPaid`	$1.99M	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	-	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	$52.00K	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	$95.00K	USD	Annual
Initial fair value of contingent consideration at acquisition date	`BusinessCombinationContingentConsiderationLiability`	$1.06M	USD	Point-in-time
Initial fair value of contingent consideration at acquisition date	`BusinessCombinationContingentConsiderationLiability`	-	USD	Point-in-time
Initial fair value of contingent consideration at acquisition date	`BusinessCombinationContingentConsiderationLiability`	-	USD	Point-in-time
Deferred offering costs included in accounts payable and accrued expenses	`OfferingCostsIncurredbutNotyetPaid`	-	USD	Annual
Deferred offering costs included in accounts payable and accrued expenses	`OfferingCostsIncurredbutNotyetPaid`	$89.00K	USD	Annual
Deferred offering costs included in accounts payable and accrued expenses	`OfferingCostsIncurredbutNotyetPaid`	-	USD	Annual
Debt issuance costs included in accounts payable and accrued expenses	`DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction`	-	USD	Annual
Debt issuance costs included in accounts payable and accrued expenses	`DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction`	$784.00K	USD	Annual
Debt issuance costs included in accounts payable and accrued expenses	`DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction`	-	USD	Annual
Conversion of convertible preferred stock to common stock upon initial public offering	`ConversionofStockUponInitialPublicOffering`	-	USD	Annual
Conversion of convertible preferred stock to common stock upon initial public offering	`ConversionofStockUponInitialPublicOffering`	$499.97M	USD	Annual
Conversion of convertible preferred stock to common stock upon initial public offering	`ConversionofStockUponInitialPublicOffering`	-	USD	Annual

Stockholders Equity 43 line items

Line Item	Tag	Value	Unit	Period
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$723.00K	USD	Annual
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$4.47M	USD	Annual
Issuance costs	`AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts`	$1.13M	USD	Annual
Beginning balance	`StockholdersEquity`	$1.30B	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$483.15M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$308.61M	USD	Point-in-time
Beginning balance	`StockholdersEquity`	$798.39M	USD	Point-in-time
Issuance of common stock upon initial and follow-on offering, net of issuance costs	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$249.53M	USD	Annual
Issuance of common stock upon initial and follow-on offering, net of issuance costs	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$354.60M	USD	Annual
Issuance of common stock upon initial and follow-on offering, net of issuance costs	`StockIssuedDuringPeriodValueConversionOfConvertibleSecurities`	$349.71M	USD	Annual
Equity component of convertible senior notes, net	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebt`	$330.40M	USD	Annual
Purchase of convertible senior note hedges	`AdjustmentsToAdditionalPaidInCapitalEquityComponentOfConvertibleDebtHedges`	$90.05M	USD	Annual
Issuance of common stock upon exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	1.45M	shares	Annual
Issuance of common stock upon exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	1.01M	shares	Annual
Issuance of common stock upon exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	3.00M	shares	Annual
Issuance of common stock upon exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$9.53M	USD	Annual
Issuance of common stock upon exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$2.90M	USD	Annual
Issuance of common stock upon exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$11.64M	USD	Annual
Issuance of common stock upon exercise of warrants (in shares)	`StockIssuedDuringPeriodSharesExerciseofWarrants`	6,548.00	shares	Point-in-time
Issuance of common stock upon exercise of warrants	`StockIssuedDuringPeriodValueExerciseofWarrants`	$45.00K	USD	Annual
Repurchase of common stock	`StockRepurchasedDuringPeriodValue`	$172.00K	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	-	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	$52.00K	USD	Annual
Vesting of common stock exercised early	`StockIssuedDuringPeriodValueStockOptionsExercisedEarly`	$95.00K	USD	Annual
Common stock issued under employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$7.09M	USD	Annual
Common stock issued under employee stock purchase plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$6.39M	USD	Annual
Taxes paid related to net share settlement of restricted stock units	`AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.45M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$144.11M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$16.95M	USD	Annual
Stock-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$6.85M	USD	Annual
Other comprehensive gain, net of tax impact	`OtherComprehensiveIncomeLossNetOfTax`	$1.59M	USD	Annual
Other comprehensive gain, net of tax impact	`OtherComprehensiveIncomeLossNetOfTax`	$1.19M	USD	Annual
Other comprehensive gain, net of tax impact	`OtherComprehensiveIncomeLossNetOfTax`	$449.00K	USD	Annual
Net loss	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-67.85M	USD	Annual
Net loss	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-246.28M	USD	Annual
Net loss	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-84.26M	USD	Annual
Ending balance	`StockholdersEquity`	$1.30B	USD	Point-in-time
Ending balance	`StockholdersEquity`	$483.15M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$308.61M	USD	Point-in-time
Ending balance	`StockholdersEquity`	$798.39M	USD	Point-in-time
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$7.80M	USD	Annual
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$800.00K	USD	Annual
Adjustment of redeemable noncontrolling interest	`NetIncomeLossAttributableToRedeemableNoncontrollingInterest`	$7.50M	USD	Annual

Comprehensive Income 21 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-67.85M	USD	Annual
Net loss	`ProfitLoss`	$-246.28M	USD	Annual
Net loss	`ProfitLoss`	$-84.26M	USD	Annual
Unrealized gain on available-for-sale securities	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$1.13M	USD	Annual
Unrealized gain on available-for-sale securities	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$1.11M	USD	Annual
Unrealized gain on available-for-sale securities	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$449.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$84.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	-	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$455.00K	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.59M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$1.19M	USD	Annual
Other comprehensive income	`OtherComprehensiveIncomeLossNetOfTax`	$449.00K	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-244.70M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-83.81M	USD	Annual
Comprehensive loss	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-66.66M	USD	Annual
Comprehensive loss attributable to redeemable noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$7.50M	USD	Annual
Comprehensive loss attributable to redeemable noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$800.00K	USD	Annual
Comprehensive loss attributable to redeemable noncontrolling interest	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest`	$7.80M	USD	Annual
Comprehensive loss attributable to Guardant Health, Inc.	`ComprehensiveIncomeNetOfTax`	$-252.20M	USD	Annual
Comprehensive loss attributable to Guardant Health, Inc.	`ComprehensiveIncomeNetOfTax`	$-84.61M	USD	Annual
Comprehensive loss attributable to Guardant Health, Inc.	`ComprehensiveIncomeNetOfTax`	$-74.46M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.