XML 21 R6.htm IDEA: XBRL DOCUMENT
v3.25.0.1

CONSOLIDATED STATEMENTS OF OPERATIONS (Parenthetical) - USD ($) $ in Millions |  | 12 Months Ended
--- | --- | ---
Mar. 15, 2023 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Allocated share-based compensation expense (reversal) |  |  | $ 346.5 | $ 338.0 | $ 330.7
Income tax benefit, release of deferred tax asset valuation allowance |  |  |  | 420.2 | 420.2
Corporate Headquarters Lease |  |  |  |  |
Gain on partial operating lease termination |  |  |  | 158.8 |
Cost of revenue |  |  |  |  |
Allocated share-based compensation expense (reversal) |  |  | 22.9 | 23.3 | 24.7
Research and development |  |  |  |  |
Allocated share-based compensation expense (reversal) | [1] |  | 247.6 | 237.6 | 232.3
Research and development | President |  |  |  |  |
Allocated share-based compensation expense (reversal) |  | $ (6.7) |  |  | 4.4
Sales and marketing |  |  |  |  |
Allocated share-based compensation expense (reversal) |  |  | 23.7 | 22.0 | 22.4
General and administrative |  |  |  |  |
Allocated share-based compensation expense (reversal) |  |  | $ 52.3 | $ 55.1 | $ 51.3
[1] | On March 15, 2023, the former President resigned, resulting in the reversal of $6.7 million in stock-based compensation expense. Of the total amount reversed, $4.4 million related to expense recognized prior to January 1, 2023.

X
- Definition Gain (Loss) On Partial Operating Lease Termination + References No definition available. + Details
Name: | dbx_GainLossOnPartialOperatingLeaseTermination
Namespace Prefix: | dbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Income Tax Benefit, Release Of Deferred Tax Asset Valuation Allowance + References No definition available. + Details
Name: | dbx_IncomeTaxBenefitReleaseOfDeferredTaxAssetValuationAllowance
Namespace Prefix: | dbx_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LeaseContractualTermAxis=dbx_CorporateHeadquartersLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_CostOfSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_ResearchAndDevelopmentExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_TitleOfIndividualAxis=srt_PresidentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_SellingAndMarketingExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=us-gaap_GeneralAndAdministrativeExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |