Supplemental Consolidated Financial Information - Schedule of Customer Accounts and Funds Receivable (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Balance Sheet Components [Abstract]
Customer accounts	$ 947	$ 763
Funds receivable	315	199
Customer accounts and funds receivable	$ 1,262	$ 962

These balances represent payments in transit and cash received and held by financial institutions and payment processors associated with marketplace activity and awaiting settlement or are installment collections from financial institutions

No definition available.

Name:	ebay_CustomerAccountsAndFundsReceivableCurrent
Namespace Prefix:	ebay_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant