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Investments - Equity Investment Under the Fair Value Option (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Schedule of Investments [Line Items]        
Unrealized loss on equity securities $ 11 $ 182    
Other equity investments        
Schedule of Investments [Line Items]        
Equity investment in Adevinta 40      
Long-term investments:        
Schedule of Investments [Line Items]        
Equity investment in Adevinta 460     $ 461
GMarket        
Schedule of Investments [Line Items]        
Ownership percentage after sale     19.99%  
Investment balance     $ 728  
Retained investment, rights, period (in years)     2 years  
GMarket | Long-term investments:        
Schedule of Investments [Line Items]        
Equity investment in Adevinta $ 420     $ 431
Discontinued Operations, Disposed of by Sale | eBay Korea        
Schedule of Investments [Line Items]        
Percentage of outstanding equity interests sold     80.01%