v3.26.1
Fair Value of Investments (Details) - EBP 002 - USD ($)
Dec. 31, 2025
Dec. 31, 2024
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value $ 2,092,945,345 $ 1,747,930,133
Investments in Expedia Group, Inc. common stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 41,338,094 30,970,534
Level 1    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 334,460,868 294,026,056
Level 1 | Mutual funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 161,146,928 162,074,205
Level 1 | Investments in self-directed brokerage accounts    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 131,975,846 100,981,317
Level 1 | Investments in Expedia Group, Inc. common stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 41,338,094 30,970,534
Total    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 334,460,868 294,026,056
Total | Mutual funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 161,146,928 162,074,205
Total | Investments in self-directed brokerage accounts    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 131,975,846 100,981,317
Total | Investments in Expedia Group, Inc. common stock    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value 41,338,094 30,970,534
NAV | Common collective trust funds    
EBP, Schedule of Asset Held for Investment [Line Items]    
Investments, at fair value $ 1,758,484,477 $ 1,453,904,077