$DBX
DROPBOX, INC. Stock $dbx

$dbx Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000146762321000012 Filed on February 19, 2021

Income Statement

Concept	2019 Q4	2019	2018
Revenue	$446.0M	$1.661B	$1.392B
YoY Change	18.65%	19.37%	25.74%
Cost Of Revenue	$104.9M	$411.0M	$394.7M
YoY Change	11.12%	4.13%	6.99%
Gross Profit	$341.1M	$1.250B	$997.0M
YoY Change	21.17%	25.41%	35.11%
Gross Profit Margin	76.48%	75.26%	71.64%
Selling, General & Admin	$170.8M	$668.7M	$722.8M
YoY Change	9.0%	-7.48%	53.36%
% of Gross Profit	50.07%	53.48%	72.5%
Research & Development	$176.9M	$662.1M	$768.2M
YoY Change	29.31%	-13.81%	102.0%
% of Gross Profit	51.86%	52.96%	77.05%
Depreciation & Amortization	$41.00M	$159.9M	$158.6M
YoY Change	-9.29%	0.82%	-7.09%
% of Gross Profit	12.02%	12.79%	15.91%
Operating Expenses	$347.7M	$1.331B	$1.491B
YoY Change	18.47%	-10.74%	75.08%
Operating Profit	-$6.600M	-$80.50M	-$494.0M
YoY Change	-45.0%	-83.7%	334.48%
Interest Expense	$2.900M	$12.50M	$7.100M
YoY Change	-25.64%	76.06%	-164.55%
% of Operating Profit
Other Income/Expense, Net	$1.300M	$16.00M	$6.800M
YoY Change	85.71%	135.29%	-48.48%
Pretax Income	-$2.400M	-$52.00M	-$480.1M
YoY Change	-67.57%	-89.17%	330.58%
Income Tax	$4.200M	$700.0K	$4.800M
% Of Pretax Income
Net Earnings	-$6.600M	-$52.70M	-$484.9M
YoY Change	-30.53%	-89.13%	334.11%
Net Earnings / Revenue	-1.48%	-3.17%	-34.84%
Basic Earnings Per Share		-$0.13
Diluted Earnings Per Share	-$16.13K	-$0.13	-$1.352M
COMMON SHARES
Basic Shares Outstanding		411.6M shares
Diluted Shares Outstanding		411.6M shares

Balance Sheet

Concept	2019 Q4	2019	2018
SHORT-TERM ASSETS
Cash & Short-Term Investments	$1.159B	$1.159B	$1.089B
YoY Change	6.4%	6.4%	153.33%
Cash & Equivalents	$551.3M	$446.3M	$416.3M
Short-Term Investments	$607.7M	$607.7M	$570.0M
Other Short-Term Assets	$40.10M	$40.10M	$46.10M
YoY Change	-56.55%	-13.02%	-13.99%
Inventory
Prepaid Expenses
Receivables	$36.70M	$36.70M	$28.60M
Other Receivables	$7.400M	$7.400M	$46.20M
Total Short-Term Assets	$1.243B	$1.243B	$1.210B
YoY Change	2.73%	2.73%	133.58%
LONG-TERM ASSETS
Property, Plant & Equipment	$445.3M	$1.103B	$310.6M
YoY Change	43.37%	255.18%	-9.15%
Goodwill	$234.5M
YoY Change	143.01%
Intangibles	$47.40M
YoY Change	222.45%
Long-Term Investments	$9.800M	$9.800M
YoY Change
Other Assets	$70.90M	$53.70M	$62.10M
YoY Change	14.17%	-13.53%	41.14%
Total Long-Term Assets	$1.456B	$1.456B	$483.9M
YoY Change	200.89%	200.89%	-3.57%
TOTAL ASSETS
Total Short-Term Assets	$1.243B	$1.243B	$1.210B
Total Long-Term Assets	$1.456B	$1.456B	$483.9M
Total Assets	$2.699B	$2.699B	$1.694B
YoY Change	59.33%	59.33%	66.1%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$40.70M	$40.70M	$33.30M
YoY Change	22.22%	22.22%	4.39%
Accrued Expenses	$343.2M	$343.2M	$201.5M
YoY Change	70.32%	70.32%	25.0%
Deferred Revenue	$554.2M
YoY Change	14.27%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$76.70M	$76.70M	$73.80M
YoY Change	3.93%	3.93%	-28.14%
Total Short-Term Liabilities	$1.015B	$1.015B	$837.5M
YoY Change	21.17%	21.17%	13.42%
LONG-TERM LIABILITIES
Long-Term Debt	$138.2M	$138.2M	$89.90M
YoY Change	53.73%	53.73%	25.56%
Other Long-Term Liabilities	$25.90M	$737.8M	$89.90M
YoY Change	-71.19%	720.69%	-15.98%
Total Long-Term Liabilities	$25.90M	$876.0M	$179.8M
YoY Change	-71.19%	387.21%	0.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.015B	$1.015B	$837.5M
Total Long-Term Liabilities	$25.90M	$876.0M	$179.8M
Total Liabilities	$1.891B	$1.891B	$1.017B
YoY Change	85.86%	85.86%	10.94%
SHAREHOLDERS EQUITY
Retained Earnings	-$1.726B
YoY Change	4.02%
Common Stock	$0.00
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$808.4M	$808.4M	$676.8M
YoY Change
Total Liabilities & Shareholders Equity	$2.699B	$2.699B	$1.694B
YoY Change	59.33%	59.33%	66.1%

Cashflow Statement

Concept	2019 Q4	2019	2018
OPERATING ACTIVITIES
Net Income	-$6.600M	-$52.70M	-$484.9M
YoY Change	-30.53%	-89.13%	334.11%
Depreciation, Depletion And Amortization	$41.00M	$159.9M	$158.6M
YoY Change	-9.29%	0.82%	-7.09%
Cash From Operating Activities	$186.8M	$528.5M	$425.4M
YoY Change	51.01%	24.24%	28.79%
INVESTING ACTIVITIES
Capital Expenditures	-$27.20M	$136.1M	$63.00M
YoY Change	-23.38%	116.03%	149.01%
Acquisitions		$173.9M	$0.00
YoY Change
Other Investing Activities	-$14.00M	-$16.20M	$1.000M
YoY Change	-79.8%	-1720.0%	-145.45%
Cash From Investing Activities	-$41.20M	-$320.0M	-$633.8M
YoY Change	-60.69%	-49.51%	2551.88%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		-$2.200M	-$26.20M
YoY Change		-91.6%	-5340.0%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-39.40M	-$176.7M	$300.8M
YoY Change	15.2%	-158.74%	-229.82%
NET CHANGE
Cash From Operating Activities	186.8M	$528.5M	$425.4M
Cash From Investing Activities	-41.20M	-$320.0M	-$633.8M
Cash From Financing Activities	-39.40M	-$176.7M	$300.8M
Net Change In Cash	106.2M	$32.00M	$89.30M
YoY Change	-794.12%	-64.17%	15.52%
FREE CASH FLOW
Cash From Operating Activities	$186.8M	$528.5M	$425.4M
Capital Expenditures	-$27.20M	$136.1M	$63.00M
Free Cash Flow	$214.0M	$392.4M	$362.4M
YoY Change	34.42%	8.28%	18.82%

Facts In Submission

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CY2020	dei	Entity File Number EntityFileNumber	001-38434
CY2020	dei	Entity Registrant Name EntityRegistrantName	Dropbox, Inc.
CY2020	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2020	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	26-0138832
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CY2018	us-gaap	Net Income Loss NetIncomeLoss	-484900000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	676800000	USD
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	85400000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2200000	USD
CY2019	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	800000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	261200000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4500000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-52700000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	808400000	USD
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	92200000	USD
CY2020	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	397500000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2300000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	261500000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	7600000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-256300000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	333800000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-256300000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-52700000	USD
CY2018	us-gaap	Net Income Loss NetIncomeLoss	-484900000	USD
CY2020	dbx	Deprecation Depletion And Amortization Excluding Amortization Of Deferred Sales Commissions DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions	159300000	USD
CY2019	dbx	Deprecation Depletion And Amortization Excluding Amortization Of Deferred Sales Commissions DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions	173500000	USD
CY2018	dbx	Deprecation Depletion And Amortization Excluding Amortization Of Deferred Sales Commissions DeprecationDepletionAndAmortizationExcludingAmortizationOfDeferredSalesCommissions	166800000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	261500000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	261200000	USD
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	650100000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	398200000	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2018	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	17500000	USD
CY2019	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	0	USD
CY2018	us-gaap	Equity Securities Fv Ni Gain Loss EquitySecuritiesFvNiGainLoss	0	USD
CY2020	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	24400000	USD
CY2019	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	17500000	USD
CY2018	us-gaap	Capitalized Contract Cost Amortization CapitalizedContractCostAmortization	12100000	USD
CY2020	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	2600000	USD
CY2019	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	16600000	USD
CY2018	us-gaap	Other Noncash Income Expense OtherNoncashIncomeExpense	1900000	USD
CY2020	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	5500000	USD
CY2019	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	7500000	USD
CY2018	us-gaap	Increase Decrease In Accounts And Other Receivables IncreaseDecreaseInAccountsAndOtherReceivables	-100000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	39400000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	18200000	USD
CY2018	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	47900000	USD
CY2020	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-62000000.0	USD
CY2019	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	-61200000	USD
CY2018	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	11200000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-19900000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	6400000	USD
CY2018	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-1700000	USD
CY2020	dbx	Increase Decrease In Accrued Liabilities And Other Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities	-9800000	USD
CY2019	dbx	Increase Decrease In Accrued Liabilities And Other Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities	23000000.0	USD
CY2018	dbx	Increase Decrease In Accrued Liabilities And Other Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherLiabilities	40300000	USD
CY2020	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	11700000	USD
CY2019	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	19100000	USD
CY2018	us-gaap	Increase Decrease In Employee Related Liabilities IncreaseDecreaseInEmployeeRelatedLiabilities	25000000.0	USD
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	55100000	USD
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	68700000	USD
CY2018	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	66400000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-72900000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-62400000	USD
CY2018	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	12200000	USD
CY2020	dbx	Increase Decrease Tenant Improvement Allowance Reimbursement IncreaseDecreaseTenantImprovementAllowanceReimbursement	22500000	USD
CY2019	dbx	Increase Decrease Tenant Improvement Allowance Reimbursement IncreaseDecreaseTenantImprovementAllowanceReimbursement	55300000	USD
CY2018	dbx	Increase Decrease Tenant Improvement Allowance Reimbursement IncreaseDecreaseTenantImprovementAllowanceReimbursement	0	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	570800000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	528500000	USD
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	425400000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	80100000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	136100000	USD
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	63000000.0	USD
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	200000	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	1700000	USD
CY2018	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	3000000.0	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2019	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	173900000	USD
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	0	USD
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	756100000	USD
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	775400000	USD
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	850400000	USD
CY2020	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	386700000	USD
CY2019	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	294800000	USD
CY2018	us-gaap	Proceeds From Sale Of Short Term Investments ProceedsFromSaleOfShortTermInvestments	71200000	USD
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	198800000	USD
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	456100000	USD
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Shortterm Investments ProceedsFromMaturitiesPrepaymentsAndCallsOfShorttermInvestments	212400000	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-17300000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-16200000	USD
CY2018	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	1000000.0	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-233600000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-320000000.0	USD
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-633800000	USD
CY2020	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2019	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	0	USD
CY2018	us-gaap	Proceeds From Issuance Initial Public Offering ProceedsFromIssuanceInitialPublicOffering	746600000	USD
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2019	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	0	USD
CY2018	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	4500000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	92200000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	85400000	USD
CY2018	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	351900000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2300000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	2200000	USD
CY2018	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	26200000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	89500000	USD
CY2018	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-3100000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	92900000	USD
CY2018	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	109100000	USD
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	397500000	USD
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2018	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-800000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-600000	USD
CY2018	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-6500000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-577700000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-176700000	USD
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	300800000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	4100000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	200000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-236400000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	32000000.0	USD
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	89300000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	551300000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	519300000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	430000000.0	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	314900000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	551300000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	519300000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	9600000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	9800000	USD
CY2018	us-gaap	Interest Paid Net InterestPaidNet	8300000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5000000.0	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	600000	USD
CY2018	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1400000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7800000	USD
CY2019	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	19900000	USD
CY2018	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	7300000	USD
CY2020	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	145800000	USD
CY2019	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	144100000	USD
CY2018	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	98500000	USD
CY2020	us-gaap	Use Of Estimates UseOfEstimates	The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported and disclosed in the Company’s consolidated financial statements and accompanying notes. These estimates are based on information available as of the date of the consolidated financial statements. Management evaluates these estimates and assumptions on a regular basis. Actual results may differ materially from these estimates.The Company’s most significant estimates and judgments involve the valuation of acquired intangible assets and goodwill from business combinations. In addition, in the fourth quarter of 2020, the Company performed a valuation of right-of-use and other lease related assets due to the decision to shift to a Virtual First work model.
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	2900000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-800000	USD
CY2020	us-gaap	Revenue Performance Obligation Description Of Timing RevenuePerformanceObligationDescriptionOfTiming	one year or longer
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	554200000	USD
CY2019	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	481100000	USD
CY2018	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	411600000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	673400000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P12M
CY2020	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	81400000	USD
CY2019	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	88800000	USD
CY2018	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	100900000	USD
CY2020	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash, cash equivalents, accounts receivable, and short-term investments. The Company places its cash and cash equivalents, and short-term investments with well-established financial institutions. Trade accounts receivable are typically unsecured and are derived from revenue earned from customers located around the world.
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	500000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Premiums And Other Receivables AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables	500000	USD
CY2020Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	2700000	USD
CY2019Q4	us-gaap	Nontrade Receivables Current NontradeReceivablesCurrent	7400000	USD
CY2020	dbx	Capitalized Contract Costs Additions CapitalizedContractCostsAdditions	35000000.0	USD
CY2019	dbx	Capitalized Contract Costs Additions CapitalizedContractCostsAdditions	28100000	USD
CY2020Q4	us-gaap	Capitalized Contract Cost Amortization Period CapitalizedContractCostAmortizationPeriod	P5Y
CY2020	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	24400000	USD
CY2019	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	17500000	USD
CY2019Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	9800000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	215800000	USD
CY2020	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	182400000	USD
CY2018	us-gaap	Amortization Of Deferred Sales Commissions AmortizationOfDeferredSalesCommissions	12100000	USD
CY2020	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2019	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2018	us-gaap	Capitalized Contract Cost Impairment Loss CapitalizedContractCostImpairmentLoss	0	USD
CY2020	dbx	Publicly Traded Equity Securities Fvni Gain Loss PubliclyTradedEquitySecuritiesFVNIGainLoss	16800000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	215800000	USD
CY2020	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	182400000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	314900000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1500000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	314900000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	802200000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4300000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	806400000	USD
CY2020Q4	dbx	Cash Cash Equivalents And Short Term Investments Amortized Cost CashCashEquivalentsAndShortTermInvestmentsAmortizedCost	1117100000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4300000	USD
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1121300000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	551300000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	551300000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	606300000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1500000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	607700000	USD
CY2019Q4	dbx	Cash Cash Equivalents And Short Term Investments Amortized Cost CashCashEquivalentsAndShortTermInvestmentsAmortizedCost	1157600000	USD
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	100000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	1159000000.0	USD
CY2020Q4	us-gaap	Credit And Debit Card Receivables At Carrying Value CreditAndDebitCardReceivablesAtCarryingValue	9800000	USD
CY2019Q4	us-gaap	Credit And Debit Card Receivables At Carrying Value CreditAndDebitCardReceivablesAtCarryingValue	11500000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	215700000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	216000000.0	USD
CY2020Q4	dbx	Debt Securities Available For Sale Securities Maturity Allocated And Single Maturity Date After One Through Three Years Amortized Cost DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsAmortizedCost	378900000	USD
CY2019Q4	dbx	Debt Securities Available For Sale Securities Maturity Allocated And Single Maturity Date After One Through Three Years Fair Value DebtSecuritiesAvailableForSaleSecuritiesMaturityAllocatedAndSingleMaturityDateAfterOneThroughThreeYearsFairValue	381900000	USD
CY2020Q4	dbx	Available For Sale Securities Debt Maturities After Three Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsAmortizedCost	207600000	USD
CY2019Q4	dbx	Available For Sale Securities Debt Maturities After Three Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterThreeYearsFairValue	208500000	USD
CY2020Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date Amortized Cost Basis AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDateAmortizedCostBasis	802200000	USD
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Single Maturity Date AvailableForSaleSecuritiesDebtMaturitiesSingleMaturityDate	806400000	USD
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	60	investment
CY2020Q4	dbx	Short Term Investments Numberof Security Types ShortTermInvestmentsNumberofSecurityTypes	9	investmentType
CY2020Q4	dbx	Short Term Investments Numberof Security Types In Loss Position ShortTermInvestmentsNumberofSecurityTypesInLossPosition	1	investmentType
CY2020Q4	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	162400000	USD
CY2020Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	100000	USD
CY2020	us-gaap	Investment Income Net InvestmentIncomeNet	12500000	USD
CY2019	us-gaap	Investment Income Net InvestmentIncomeNet	22800000	USD
CY2018	us-gaap	Investment Income Net InvestmentIncomeNet	16800000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	790500000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	1032500000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	451800000	USD
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	587200000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	338700000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	445300000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	395200000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset Before Accumulated Amortization FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization	321800000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	156600000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset Accumulated Amortization FinanceLeaseRightOfUseAssetAccumulatedAmortization	124600000	USD
CY2020	us-gaap	Depreciation Depreciation	145100000	USD
CY2020Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	81300000	USD
CY2019	us-gaap	Depreciation Depreciation	159900000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	57600000	USD
CY2019Q4	us-gaap	Intangible Assets Gross Excluding Goodwill IntangibleAssetsGrossExcludingGoodwill	105000000.0	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	47800000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	33500000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	47400000	USD
CY2020	dbx	Intangible Assets Gross Excluding Goodwill Retired During The Period IntangibleAssetsGrossExcludingGoodwillRetiredDuringThePeriod	24200000	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	14100000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	13600000	USD
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	6100000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	11600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	8300000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	7600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	3400000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	900000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1700000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	33500000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	234500000	USD
CY2020	us-gaap	Goodwill Foreign Currency Translation Gain Loss GoodwillForeignCurrencyTranslationGainLoss	2400000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	236900000	USD
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019Q1	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Renewal Term LesseeOperatingLeaseRenewalTerm	P5Y
CY2020	us-gaap	Sublease Income SubleaseIncome	7200000	USD
CY2019	us-gaap	Sublease Income SubleaseIncome	7100000	USD
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	125500000	USD
CY2019	us-gaap	Operating Lease Cost OperatingLeaseCost	103200000	USD
CY2020	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	84800000	USD
CY2019	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	80300000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	9100000	USD
CY2019	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	9200000	USD
CY2020	dbx	Finance Lease Cost FinanceLeaseCost	93900000	USD
CY2019	dbx	Finance Lease Cost FinanceLeaseCost	89500000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	121500000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	102800000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	9100000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	9200000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	89500000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	92900000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	223200000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	13200000	USD
CY2020Q4	dbx	Lessee Operating Lease Tenant Improvement Allowance Receivable LesseeOperatingLeaseTenantImprovementAllowanceReceivable	9600000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	109300000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	297000000.0	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	145800000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	144100000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P10Y7M6D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P11Y3M18D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y10M24D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.040
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.043
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.034
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.043
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	122500000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	106900000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	117000000.0	USD
CY2020Q4	dbx	Finance Lease Tenant Improvement Allowance Receivable FinanceLeaseTenantImprovementAllowanceReceivable	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	93300000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	101100000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	59600000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	90500000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	24600000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	85300000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	564700000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	1081100000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	284400000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	848300000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	271200000	USD
CY2020	us-gaap	Operating Lease Impairment Loss OperatingLeaseImpairmentLoss	215800000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Next Twelve Months LessorOperatingLeasePaymentsToBeReceivedNextTwelveMonths	15000000.0	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Two Years LessorOperatingLeasePaymentsToBeReceivedTwoYears	19600000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Three Years LessorOperatingLeasePaymentsToBeReceivedThreeYears	11000000.0	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Four Years LessorOperatingLeasePaymentsToBeReceivedFourYears	10200000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Five Years LessorOperatingLeasePaymentsToBeReceivedFiveYears	10500000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received Thereafter LessorOperatingLeasePaymentsToBeReceivedThereafter	67500000	USD
CY2020Q4	us-gaap	Lessor Operating Lease Payments To Be Received LessorOperatingLeasePaymentsToBeReceived	133800000	USD
CY2020Q4	us-gaap	Incentive To Lessee IncentiveToLessee	10500000	USD
CY2020Q4	dbx	Operating Lease Lessor Operating Lease Payments To Be Received Less Lease Incentives OperatingLeaseLessorOperatingLeasePaymentsToBeReceivedLessLeaseIncentives	123300000	USD
CY2020Q4	dbx	Operating Lease Minimum Obligations OperatingLeaseMinimumObligations	836400000	USD
CY2020Q4	dbx	Lessee Operating Lease Tenant Improvement Reimbursement LesseeOperatingLeaseTenantImprovementReimbursement	75000000.0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	398200000	USD
CY2020	us-gaap	Impairment Of Leasehold ImpairmentOfLeasehold	182400000	USD
CY2020	dbx	Lessee Operating Lease Lease Not Yet Commenced Amount LesseeOperatingLeaseLeaseNotYetCommencedAmount	112800000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	106900000	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due Year One LesseeOperatingAndShortTermLeasesPaymentsDueYearOne	125000000.0	USD
CY2020Q4	us-gaap	Other Commitment Due In Next Twelve Months OtherCommitmentDueInNextTwelveMonths	52800000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	93300000	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due Year Two LesseeOperatingAndShortTermLeasesPaymentsDueYearTwo	125800000	USD
CY2020Q4	us-gaap	Other Commitment Due In Second Year OtherCommitmentDueInSecondYear	39100000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	59600000	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due Year Three LesseeOperatingAndShortTermLeasesPaymentsDueYearThree	109400000	USD
CY2020Q4	us-gaap	Other Commitment Due In Third Year OtherCommitmentDueInThirdYear	36000000.0	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	24600000	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due Year Four LesseeOperatingAndShortTermLeasesPaymentsDueYearFour	98700000	USD
CY2020Q4	us-gaap	Other Commitment Due In Fourth Year OtherCommitmentDueInFourthYear	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due Year Five LesseeOperatingAndShortTermLeasesPaymentsDueYearFive	93500000	USD
CY2020Q4	us-gaap	Other Commitment Due In Fifth Year OtherCommitmentDueInFifthYear	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due After Year Five LesseeOperatingAndShortTermLeasesPaymentsDueAfterYearFive	642800000	USD
CY2020Q4	us-gaap	Other Commitment Due After Fifth Year OtherCommitmentDueAfterFifthYear	16600000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	284400000	USD
CY2020Q4	dbx	Lessee Operating And Short Term Leases Payments Due LesseeOperatingAndShortTermLeasesPaymentsDue	1195200000	USD
CY2020Q4	us-gaap	Other Commitment OtherCommitment	144500000	USD
CY2020Q4	dbx	Finance Lease Liability Interest And Taxes FinanceLeaseLiabilityInterestAndTaxes	13200000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	99600000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	171600000	USD
CY2020Q4	us-gaap	Loss Contingency Pending Claims Number LossContingencyPendingClaimsNumber	6	lawsuits
CY2020Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	85900000	USD
CY2019Q4	us-gaap	Accrual For Taxes Other Than Income Taxes Current AccrualForTaxesOtherThanIncomeTaxesCurrent	92200000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	23400000	USD
CY2019Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	29200000	USD
CY2020Q4	dbx	Other Accrued Liabilities And Other Liabilities Current OtherAccruedLiabilitiesAndOtherLiabilitiesCurrent	47400000	USD
CY2019Q4	dbx	Other Accrued Liabilities And Other Liabilities Current OtherAccruedLiabilitiesAndOtherLiabilitiesCurrent	40500000	USD
CY2020Q4	dbx	Accrued Liabilitiesand Other Liabilities Current AccruedLiabilitiesandOtherLiabilitiesCurrent	156700000	USD
CY2019Q4	dbx	Accrued Liabilitiesand Other Liabilities Current AccruedLiabilitiesandOtherLiabilitiesCurrent	161900000	USD
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	240000000.0	shares
CY2020	us-gaap	Stock Repurchased And Retired During Period Shares StockRepurchasedAndRetiredDuringPeriodShares	20200000	shares
CY2020	us-gaap	Stock Repurchased And Retired During Period Value StockRepurchasedAndRetiredDuringPeriodValue	397500000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	57100000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1300000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	14.68
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	9100000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	21200000	shares
CY2019	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Assumed Through Business Acquisition SharebasedCompensationArrangementbySharebasedPaymentAwardAssumedThroughBusinessAcquisition	900000	shares
CY2019	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Options Assumed Through Business Acquisition SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAssumedThroughBusinessAcquisition	900000	shares
CY2019	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Options Assumed In Business Acquisition Weighted Average Exercise Price SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAssumedInBusinessAcquisitionWeightedAverageExercisePrice	6.02
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	300000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	6.82
CY2019	dbx	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Canceled SharebasedCompensationArrangementBySharebasedPaymentAwardSharesCanceled	7100000	shares
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	200000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	18.89
CY2019	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	4100000	shares
CY2019	dbx	Share Based Compensation Arrangement By Sharebased Payment Award Decrease In Numberof Shares Authorized From Stock Granted ShareBasedCompensationArrangementBySharebasedPaymentAwardDecreaseInNumberofSharesAuthorizedFromStockGranted	24200000	shares
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	300000	shares
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	23.09
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	66200000	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	2000000.0	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.28
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P6Y6M
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	16400000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Additional Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAdditionalSharesAuthorized	21700000	shares
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	400000	shares
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	5.67
CY2020	dbx	Sharebased Compensation Arrangement By Sharebased Payment Award Shares Canceled SharebasedCompensationArrangementBySharebasedPaymentAwardSharesCanceled	10800000	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	300000	shares
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	17.62
CY2020	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	4700000	shares
CY2020	dbx	Share Based Compensation Arrangement By Sharebased Payment Award Decrease In Numberof Shares Authorized From Stock Granted ShareBasedCompensationArrangementBySharebasedPaymentAwardDecreaseInNumberofSharesAuthorizedFromStockGranted	24900000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	78500000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1300000	shares
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.73
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y8M12D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	11350000	USD
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	1000000.0	shares
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	16.02
CY2020	dbx	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Remaining Contractual Term SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageRemainingContractualTerm	P5Y2M12D
CY2020Q1	dbx	Reversal Of Stock Based Compensation Expense ReversalOfStockBasedCompensationExpense	23800000	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Aggregate Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingAggregateIntrinsicValue	6750000	USD
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	300000	shares
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.86
CY2020Q4	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Options Nonvested Aggregate Intrinsic Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsNonvestedAggregateIntrinsicValue	4600000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6300000	USD
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	5300000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2020	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Options Assumedin Period Weighted Average Grant Date Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAssumedinPeriodWeightedAverageGrantDateFairValue	21.60
CY2020	dbx	Sharebased Compensation Arrangementby Sharebased Payment Award Options Assumed Through Business Acquisition Fair Value SharebasedCompensationArrangementbySharebasedPaymentAwardOptionsAssumedThroughBusinessAcquisitionFairValue	19400000	USD
CY2020	dbx	Allocated Sharebased Compensation Expense Post Combination AllocatedSharebasedCompensationExpensePostCombination	18600000	USD
CY2020Q1	dbx	Reversal Of Stock Based Compensation Expense ReversalOfStockBasedCompensationExpense	23800000	USD
CY2020Q1	dbx	Reversal Of Stock Based Compensation Previously Recognized ReversalOfStockBasedCompensationPreviouslyRecognized	21500000	USD
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	22700000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	45900000	shares
CY2018	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	53800000	shares
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CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-98800000	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-497100000	USD
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CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	46800000	USD
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CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-250200000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-52000000.0	USD
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-480100000	USD
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CY2018	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-100000	USD
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CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	700000	USD
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4800000	USD
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CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-2400000	USD
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-10700000	USD
CY2020	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	12200000	USD
CY2019	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	900000	USD
CY2018	us-gaap	Income Tax Reconciliation Foreign Income Tax Rate Differential IncomeTaxReconciliationForeignIncomeTaxRateDifferential	-1800000	USD
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CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	3200000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1000000.0	USD
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CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1391700000	USD

Files In Submission

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$DBX
DROPBOX, INC. Stock $dbx

2019 Q4 Form 10-K Financial Statement

#000146762321000012 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DBX DROPBOX, INC. Stock $dbx

2019 Q4 Form 10-K Financial Statement

#000146762321000012 Filed on February 19, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DBX
DROPBOX, INC. Stock $dbx