v3.24.2.u1
The Company and Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2024
USD ($)
market
$ / shares
Jun. 30, 2023
USD ($)
$ / shares
Dec. 31, 2021
Jun. 30, 2024
USD ($)
market
$ / shares
Jun. 30, 2023
USD ($)
$ / shares
Dec. 31, 2021
Jan. 01, 2024
Dec. 31, 2023
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Number of operating markets | market 190     190        
Net income | $ $ 224,000,000 $ 171,000,000   $ 662,000,000 $ 738,000,000      
Gain per share from revision of useful life, basic (in usd per share) | $ / shares $ 0.45 $ 0.32   $ 1.30 $ 1.37      
Gain per share from revision of useful life, diluted (in usd per share) | $ / shares $ 0.45 $ 0.32   $ 1.29 $ 1.36      
Credit-related loss | $ $ 0 $ 0   $ 0 $ 0      
Service Life                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Depreciation expense decrease | $ 17,000,000     43,000,000        
Net income | $ $ 12,000,000     $ 34,000,000        
Gain per share from revision of useful life, basic (in usd per share) | $ / shares $ 0.02     $ 0.07        
Gain per share from revision of useful life, diluted (in usd per share) | $ / shares $ 0.02     $ 0.07        
Software and Software Development Costs                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Property, plant and equipment, useful life             4 years 3 years
Adevinta                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Ownership percentage after sale     33.00%          
Gmarket                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Ownership percentage after sale           19.99%    
Discontinued Operations, Disposed of by Sale | eBay Korea                
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                
Percentage of outstanding equity interests sold     80.01%     80.01%