Business Combination, Consideration Transferred, Equity Interests Issued and Issuable, Shares Issued Per Acquiree Share

No definition available.

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- Definition

Business Combination, Consideration Transferred, Warrants Assumed Eligible to be Converted into Common Stock

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

Represents the number of warrants issued.

+ References

No definition available.

+ Details

Name:	dkng_NumberOfWarrantsIssued
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Balance Type:	na
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- Definition

Number of shares issued during period for exercise of warrants.

+ References

No definition available.

+ Details

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481112/505-10-50-3

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 13
-SubTopic 10
-Topic 480
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481766/480-10-25-13

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

Name:	us-gaap_LiabilitiesOtherThanLongTermDebtNoncurrentAbstract
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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Value of outstanding derivative securities that permit the holder the right to purchase securities (usually equity) from the issuer at a specified price.

+ References

No definition available.

+ Details

Name:	us-gaap_WarrantsAndRightsOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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- Details

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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=dkng_PublicWarrantsMember
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- Details

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Current and Long-term Liabilities - Warrant Liabilities (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	May 05, 2022	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	May 14, 2019
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Loss (gain) on remeasurement of warrant liabilities		$ 20,041	$ (14,315)	$ 37,076	$ (26,996)
Fair Value, Recurring
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Warrant liabilities		46,286		46,286		$ 10,680
Level 2 \| Fair Value, Recurring
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Warrant liabilities		$ 46,286		$ 46,286		$ 10,680
GNOG
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Issuance of New DraftKings' Class A Common Stock for each Common Share of Golden Nugget Online Gaming (in shares)	0.365
Issuance of New DraftKings' class A common stock for each common share of Golden Nugget Online Gaming (in shares)	2,100,000
Public Warrants
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Number of warrants issued (in shares)							13,300,000
Number of shares issuable per warrant (in shares)							1
Price per warrant (in dollars per share)							$ 11.50
Number of warrants outstanding (in shares)		0	0	0	0
Private Placement Warrants
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Number of warrants issued (in shares)							6,300,000
Number of shares issuable per warrant (in shares)							1
Price per warrant (in dollars per share)							$ 11.50
Number of warrants outstanding (in shares)		1,500,000	1,500,000	1,500,000	1,500,000
Shares issued for exercise of warrants (in shares)		100,000		100,000
Private Placement Warrants \| GNOG
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Number of warrants issued (in shares)	5,900,000	5,900,000		5,900,000
Number of shares issuable per warrant (in shares)	1
Price per warrant (in dollars per share)	$ 11.50