Balance Sheet Components - Cash Equivalents and Marketable Securities (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023	Mar. 31, 2023
Cash equivalents
Cash equivalents, cost or amortized cost	$ 3,124,000,000	$ 2,656,000,000	$ 1,833,000,000
Short-term marketable securities
Short-term marketable securities, estimated fair value	1,366,000,000	1,422,000,000
Long-term marketable securities
Long-term marketable securities, estimated fair value	646,000,000	583,000,000
Total	3,968,000,000	3,388,000,000
Total, unrealized gains	1,000,000	4,000,000
Total, unrealized losses	(4,000,000)	(3,000,000)
Total, estimated fair value	3,965,000,000	3,389,000,000
Allowance for credit losses	0	0
Money market funds
Cash equivalents
Cash equivalents, cost or amortized cost	1,914,000,000	1,349,000,000
Cash equivalents, unrealized gain	0	0
Cash equivalents paper, unrealized loss	0	0
Cash equivalents, estimated fair value	1,914,000,000	1,349,000,000
U.S. Treasury securities
Cash equivalents
Cash equivalents, cost or amortized cost	30,000,000	35,000,000
Cash equivalents, unrealized gain	0	0
Cash equivalents paper, unrealized loss	0	0
Cash equivalents, estimated fair value	30,000,000	35,000,000
Short-term marketable securities
Short-term marketable securities, cost or amortized cost	752,000,000	717,000,000
Short-term marketable securities, unrealized gains	0	1,000,000
Short-term marketable securities, unrealized losses	(1,000,000)	(1,000,000)
Short-term marketable securities, estimated fair value	751,000,000	717,000,000
Long-term marketable securities
Long-term marketable securities, cost or amortized cost	140,000,000	144,000,000
Long-term marketable securities, unrealized gains	0	1,000,000
Long-term marketable securities, unrealized losses	0	0
Long-term marketable securities, estimated fair value	140,000,000	145,000,000
Certificates of deposit
Short-term marketable securities
Short-term marketable securities, cost or amortized cost	46,000,000	38,000,000
Short-term marketable securities, unrealized gains	0	0
Short-term marketable securities, unrealized losses	0	0
Short-term marketable securities, estimated fair value	46,000,000	38,000,000
Commercial paper
Cash equivalents
Cash equivalents, cost or amortized cost	6,000,000
Cash equivalents, unrealized gain	0
Cash equivalents paper, unrealized loss	0
Cash equivalents, estimated fair value	6,000,000
Short-term marketable securities
Short-term marketable securities, cost or amortized cost	235,000,000	216,000,000
Short-term marketable securities, unrealized gains	0	0
Short-term marketable securities, unrealized losses	0	0
Short-term marketable securities, estimated fair value	235,000,000	216,000,000
Corporate bonds
Cash equivalents
Cash equivalents, cost or amortized cost	3,000,000
Cash equivalents, unrealized gain	0
Cash equivalents paper, unrealized loss	0
Cash equivalents, estimated fair value	3,000,000
Short-term marketable securities
Short-term marketable securities, cost or amortized cost	272,000,000	290,000,000
Short-term marketable securities, unrealized gains	0	0
Short-term marketable securities, unrealized losses	(1,000,000)	(1,000,000)
Short-term marketable securities, estimated fair value	271,000,000	289,000,000
Long-term marketable securities
Long-term marketable securities, cost or amortized cost	451,000,000	382,000,000
Long-term marketable securities, unrealized gains	1,000,000	2,000,000
Long-term marketable securities, unrealized losses	(2,000,000)	(1,000,000)
Long-term marketable securities, estimated fair value	450,000,000	383,000,000
U.S. government agency securities
Short-term marketable securities
Short-term marketable securities, cost or amortized cost	63,000,000	162,000,000
Short-term marketable securities, unrealized gains	0	0
Short-term marketable securities, unrealized losses	0	0
Short-term marketable securities, estimated fair value	63,000,000	162,000,000
Long-term marketable securities
Long-term marketable securities, cost or amortized cost	56,000,000	55,000,000
Long-term marketable securities, unrealized gains	0	0
Long-term marketable securities, unrealized losses	0	0
Long-term marketable securities, estimated fair value	$ 56,000,000	$ 55,000,000

Cash and Cash Equivalents and Available-For-Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax

No definition available.

Name:	dash_CashAndCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Cash and Cash Equivalents and Available-For-Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax

+ References

No definition available.

+ Details

Name:	dash_CashAndCashEquivalentsAndAvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash, Cash Equivalents And Available-for-sale Debt Securities

+ References

No definition available.

+ Details

Name:	dash_CashCashEquivalentsAndAvailableForSaleDebtSecurities
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash, Cash Equivalents And Available-for-sale Debt Securities, Amortized Cost

+ References

No definition available.

+ Details

Name:	dash_CashCashEquivalentsAndAvailableForSaleDebtSecuritiesAmortizedCost
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Cash Equivalents

+ References

No definition available.

+ Details

Name:	dash_CashEquivalentsAbstract
Namespace Prefix:	dash_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Cash Equivalents, Unrealized Gain

+ References

No definition available.

+ Details

Name:	dash_CashEquivalentsUnrealizedGain
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Cash Equivalents, Unrealized Loss

+ References

No definition available.

+ Details

Name:	dash_CashEquivalentsUnrealizedLoss
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Securities, Available-for-sale, Current, Accumulated Gross Unrealized Gain, before Tax

+ References

No definition available.

+ Details

Name:	dash_DebtSecuritiesAvailableForSaleCurrentAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Securities, Available-for-sale, Current, Accumulated Gross Unrealized Loss, before Tax

+ References

No definition available.

+ Details

Name:	dash_DebtSecuritiesAvailableForSaleCurrentAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Debt Securities, Available-for-sale, Noncurrent, Accumulated Gross Unrealized Gain, before Tax

+ References

No definition available.

+ Details

Name:	dash_DebtSecuritiesAvailableForSaleNoncurrentAccumulatedGrossUnrealizedGainBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Debt Securities, Available-for-sale, Noncurrent, Accumulated Gross Unrealized Loss, before Tax

+ References

No definition available.

+ Details

Name:	dash_DebtSecuritiesAvailableForSaleNoncurrentAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix:	dash_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecuritiesCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481830/320-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(12))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesDebtSecuritiesNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(1))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483467/210-10-45-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-4

+ Details

Name:	us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

+ References

No definition available.

+ Details

Name:	us-gaap_CashAndCashEquivalentsFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (aaa)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479106/326-30-50-9

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 9
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479106/326-30-50-9

+ Details

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

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 320
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481800/320-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479130/326-30-45-1

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), classified as noncurrent.

+ References

+ Details

Name:	us-gaap_DebtSecuritiesAvailableForSaleAmortizedCostNoncurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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

- References

No definition available.

+ Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_MoneyMarketFundsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USTreasurySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CertificatesOfDepositMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommercialPaperMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CorporateDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_USGovernmentAgenciesDebtSecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: