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

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Namespace Prefix:	dkng_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21475-112644

+ Details

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Data Type:	dtr-types:perShareItemType
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

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI https://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

+ Details

Name:	us-gaap_FairValueAdjustmentOfWarrants
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

+ Details

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Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- 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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Namespace Prefix:
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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=dkng_PublicWarrantsMember
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- Details

Name:	us-gaap_ClassOfWarrantOrRightAxis=dkng_PrivatePlacementWarrantsMember
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Current and Long-term Liabilities - Warrant Liabilities (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	May 05, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	May 14, 2019
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Loss (gain) on remeasurement of warrant liabilities		$ 17,035	$ (12,681)
Fair Value, Recurring
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Warrant liabilities		27,715		$ 10,680
Level 2 \| Fair Value, Recurring
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Warrant liabilities		$ 27,715		$ 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	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
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)		1,600,000	1,600,000
Private Placement Warrants \| GNOG
Liabilities, Other than Long-term Debt, Noncurrent [Abstract]
Number of warrants issued (in shares)	5,900,000	5,900,000
Number of shares issuable per warrant (in shares)	1
Price per warrant (in dollars per share)	$ 11.50
Outstanding exercisable warrants (in dollars per share)	$ 31.50