Supplemental Consolidated Financial Information - Customer Accounts and Funds Receivable (Details) - USD ($) $ in Millions	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025
Balance Sheet Components [Abstract]
Customer accounts	$ 1,231	$ 1,017	$ 1,007
Funds receivable	358	263
Customer accounts and funds receivable	$ 1,589	$ 1,280

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