Fair Value Measurements and Financial Instruments (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2024
Assets
Short-term investments	$ 3,194
Corporate debt securities \| Other assets, noncurrent
Assets
Short-term investments	4	$ 4
Fair Value, Recurring
Assets
Cash and cash equivalents	1,814	1,822
Short-term investments	3,190	3,045
Total assets at fair value	7,723	6,331
Liabilities
Total liabilities at fair value	39
Fair Value, Recurring \| Foreign Exchange Derivative
Liabilities
Accrued expenses, accounts payable, and other current liabilities	34	20
Other liabilities, noncurrent	5
Fair Value, Recurring \| Prepaids and other current assets \| Foreign Exchange Derivative
Assets
Other assets	27	114
Fair Value, Recurring \| Other assets, noncurrent \| Foreign Exchange Derivative
Assets
Other assets	1	6
Fair Value, Recurring \| Corporate debt securities
Assets
Short-term investments	2,280	2,177
Fair Value, Recurring \| Corporate debt securities \| Other assets, noncurrent
Assets
Other assets	4	4
Fair Value, Recurring \| Mortgage-backed and asset-backed securities
Assets
Short-term investments	440	378
Fair Value, Recurring \| Government bonds
Assets
Short-term investments	252	224
Fair Value, Recurring \| Commercial paper
Assets
Short-term investments	146	214
Fair Value, Recurring \| Certificates of deposit
Assets
Short-term investments	72	52
Fair Value, Recurring \| Money market funds
Assets
Cash and cash equivalents	1,652	1,635
Funds receivable and amounts held on behalf of customers	2,687	1,340
Fair Value, Recurring \| Commercial paper
Assets
Cash and cash equivalents	103	152
Fair Value, Recurring \| Government bonds
Assets
Cash and cash equivalents	37	33
Fair Value, Recurring \| Corporate debt securities
Assets
Cash and cash equivalents	22	2
Fair Value, Recurring \| Level 1
Assets
Cash and cash equivalents	1,652	1,635
Short-term investments	0	0
Total assets at fair value	4,339	2,975
Liabilities
Total liabilities at fair value	0
Fair Value, Recurring \| Level 1 \| Foreign Exchange Derivative
Liabilities
Accrued expenses, accounts payable, and other current liabilities	0	0
Other liabilities, noncurrent	0
Fair Value, Recurring \| Level 1 \| Prepaids and other current assets \| Foreign Exchange Derivative
Assets
Other assets	0	0
Fair Value, Recurring \| Level 1 \| Other assets, noncurrent \| Foreign Exchange Derivative
Assets
Other assets	0	0
Fair Value, Recurring \| Level 1 \| Corporate debt securities
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 1 \| Corporate debt securities \| Other assets, noncurrent
Assets
Other assets	0	0
Fair Value, Recurring \| Level 1 \| Mortgage-backed and asset-backed securities
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 1 \| Government bonds
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 1 \| Commercial paper
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 1 \| Certificates of deposit
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 1 \| Money market funds
Assets
Cash and cash equivalents	1,652	1,635
Funds receivable and amounts held on behalf of customers	2,687	1,340
Fair Value, Recurring \| Level 1 \| Commercial paper
Assets
Cash and cash equivalents	0	0
Fair Value, Recurring \| Level 1 \| Government bonds
Assets
Cash and cash equivalents	0	0
Fair Value, Recurring \| Level 1 \| Corporate debt securities
Assets
Cash and cash equivalents	0	0
Fair Value, Recurring \| Level 2
Assets
Cash and cash equivalents	162	187
Short-term investments	3,190	3,045
Total assets at fair value	3,380	3,352
Liabilities
Total liabilities at fair value	39
Fair Value, Recurring \| Level 2 \| Foreign Exchange Derivative
Liabilities
Accrued expenses, accounts payable, and other current liabilities	34	20
Other liabilities, noncurrent	5
Fair Value, Recurring \| Level 2 \| Prepaids and other current assets \| Foreign Exchange Derivative
Assets
Other assets	27	114
Fair Value, Recurring \| Level 2 \| Other assets, noncurrent \| Foreign Exchange Derivative
Assets
Other assets	1	6
Fair Value, Recurring \| Level 2 \| Corporate debt securities
Assets
Short-term investments	2,280	2,177
Fair Value, Recurring \| Level 2 \| Corporate debt securities \| Other assets, noncurrent
Assets
Other assets	0	0
Fair Value, Recurring \| Level 2 \| Mortgage-backed and asset-backed securities
Assets
Short-term investments	440	378
Fair Value, Recurring \| Level 2 \| Government bonds
Assets
Short-term investments	252	224
Fair Value, Recurring \| Level 2 \| Commercial paper
Assets
Short-term investments	146	214
Fair Value, Recurring \| Level 2 \| Certificates of deposit
Assets
Short-term investments	72	52
Fair Value, Recurring \| Level 2 \| Money market funds
Assets
Cash and cash equivalents	0	0
Funds receivable and amounts held on behalf of customers	0	0
Fair Value, Recurring \| Level 2 \| Commercial paper
Assets
Cash and cash equivalents	103	152
Fair Value, Recurring \| Level 2 \| Government bonds
Assets
Cash and cash equivalents	37	33
Fair Value, Recurring \| Level 2 \| Corporate debt securities
Assets
Cash and cash equivalents	22	2
Fair Value, Recurring \| Level 3
Assets
Cash and cash equivalents	0	0
Short-term investments	0	0
Total assets at fair value	4	4
Liabilities
Total liabilities at fair value	0
Fair Value, Recurring \| Level 3 \| Foreign Exchange Derivative
Liabilities
Accrued expenses, accounts payable, and other current liabilities	0	0
Other liabilities, noncurrent	0
Fair Value, Recurring \| Level 3 \| Prepaids and other current assets \| Foreign Exchange Derivative
Assets
Other assets	0	0
Fair Value, Recurring \| Level 3 \| Other assets, noncurrent \| Foreign Exchange Derivative
Assets
Other assets	0	0
Fair Value, Recurring \| Level 3 \| Corporate debt securities
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3 \| Corporate debt securities \| Other assets, noncurrent
Assets
Other assets	4	4
Fair Value, Recurring \| Level 3 \| Mortgage-backed and asset-backed securities
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3 \| Government bonds
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3 \| Commercial paper
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3 \| Certificates of deposit
Assets
Short-term investments	0	0
Fair Value, Recurring \| Level 3 \| Money market funds
Assets
Cash and cash equivalents	0	0
Funds receivable and amounts held on behalf of customers	0	0
Fair Value, Recurring \| Level 3 \| Commercial paper
Assets
Cash and cash equivalents	0	0
Fair Value, Recurring \| Level 3 \| Government bonds
Assets
Cash and cash equivalents	0	0
Fair Value, Recurring \| Level 3 \| Corporate debt securities
Assets
Cash and cash equivalents	$ 0	$ 0

Funds Held For Clients, Fair Value Disclosure

No definition available.

Name:	abnb_FundsHeldForClientsFairValueDisclosure
Namespace Prefix:	abnb_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value portion of asset recognized for present right to economic benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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

- References

No definition available.

+ Details

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

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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

- Definition

Amount excluding accrued interest, of 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/2009/role/commonPracticeRef
-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_DebtSecuritiesAvailableForSaleExcludingAccruedInterest
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled within one year or normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 210
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483466/210-20-50-3

+ Details

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

- Definition

Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

+ Details

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

- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2E
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

+ Details

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

- References

No definition available.

+ Details

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

- Definition

Fair value portion of other assets.

+ References

+ Details

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

- Details

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

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsRecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_CashAndCashEquivalentsAxis=us-gaap_USTreasuryAndGovernmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: