Derivative Instruments - Effect of Derivative Contracts on Condensed Consolidated Financial Information (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Foreign Exchange Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 57	$ 158	$ (50)
Interest and Other, Net \| Warrant
Derivative Instruments, Gain (Loss)
Gain (loss) from hedged items attributable to hedged risk recognized in interest and other, net	150	(230)	354
Designated as Hedging Instrument \| Cash Flow Hedging
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	64	147
Designated as Hedging Instrument \| Cash Flow Hedging \| Foreign Exchange Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	53	138
Designated as Hedging Instrument \| Cash Flow Hedging \| Interest Rate Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	11	9
Designated as Hedging Instrument \| Revenues, Net \| Cash Flow Hedging \| Foreign Exchange Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 56	$ 140	$ (65)
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Net revenues	Net revenues	Net revenues
Designated as Hedging Instrument \| Cost of Net Revenues \| Cash Flow Hedging \| Foreign Exchange Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ (3)	$ (2)	$ 4
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Cost of net revenues	Cost of net revenues	Cost of net revenues
Designated as Hedging Instrument \| Interest and Other, Net \| Cash Flow Hedging \| Interest Rate Contract
Derivative Instruments, Gain (Loss)
Gain (loss) from interest rate contracts designated as fair value hedges recognized in interest and other, net	$ 11	$ 9	$ 2
Not Designated as Hedging Instrument \| Foreign Exchange Contract
Derivative Instruments, Gain (Loss)
Gain (loss) recognized from derivative contracts in the consolidated statement of income	$ 4	$ 20	$ 11
Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]	Interest income and other, net	Interest income and other, net	Interest income and other, net

Derivative, Change In Fair Value Of Asset

No definition available.

Name:	ebay_DerivativeChangeInFairValueOfAsset
Namespace Prefix:	ebay_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Derivative, Change In Fair Value Of Contract

+ References

No definition available.

+ Details

Name:	ebay_DerivativeChangeInFairValueOfContract
Namespace Prefix:	ebay_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4A

+ Details

Name:	us-gaap_DerivativeGainLossOnDerivativeNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Indicates line item in statement of income or comprehensive income that includes gain (loss) from derivative.

+ References

+ Details

Name:	us-gaap_DerivativeGainLossStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4E
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4E

+ Details

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

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ebay_InterestAndOtherNetMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis=us-gaap_CashFlowHedgingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ebay_RevenuesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementLocationAxis=ebay_CostofNetRevenuesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: