XML 66 R41.htm IDEA: XBRL DOCUMENT v3.25.4

Description of Business (Details)	Dec. 31, 2025 jurisdiction
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of jurisdictions with legalized sports betting in which company operates	27

X

- Definition

Number Of Jurisdictions With Legalized Sports Betting In Which Company Operates

+ References

No definition available.

+ Details

Name:	dkng_NumberOfJurisdictionsWithLegalizedSportsBettingInWhichCompanyOperates
Namespace Prefix:	dkng_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration