v3.26.1
Investments - Schedule of Equity Investments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Equity investments under the equity method of accounting $ 48 $ 49
Total equity investments 773 929
Balance Sheet Location [Axis]: ebay:LongTermInvestmentsExcludingEquitySecuritiesFVNI    
Schedule of Investments [Line Items]    
Equity investments without readily determinable fair values 670 825
Equity investments under the equity method of accounting 48 49
Equity investments under the fair value option $ 55 $ 55