v3.25.4
Stockholders' Equity - Additional Information (Details)
$ / shares in Units, $ in Millions
 12 Months Ended
Apr. 29, 2025
USD ($)
$ / shares
shares
Dec. 31, 2025
USD ($)
VotePerShare
Directors
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Sep. 07, 2023
USD ($)
Dec. 31, 2022
USD ($)
shares
Aug. 16, 2022
Nov. 01, 2019
USD ($)
Schedule Of Capitalization Equity [Line Items]                
Preferred stock, shares authorized   100,000,000 100,000,000          
Preferred stock, par value | $ / shares   $ 0.001 $ 0.001          
Preferred stock, shares issued   0 0          
Common stock, shares authorized   1,600,000,000 1,600,000,000          
Common stock, par value | $ / shares   $ 0.001 $ 0.001          
Percentage of directors elected by common stock holders   25.00%            
Number of directors | Directors   2            
Common stock, shares issued   120,577,305 153,655,038          
Common stock, shares outstanding   114,472,043 127,394,786          
Repurchase of shares of common stock authorized | $         $ 250     $ 100
Repurchase of common stock, shares   6,105,262 1,366,385 4,724,729        
Average price of shares repurchased, common stock | $ / shares   $ 14.72 $ 18.28 $ 15.85        
Aggregate cost of shares repurchased, common stock | $   $ 90 $ 25 $ 100        
Remaining authorized share repurchased amount | $   $ 110       $ 75   $ 250
Dividend declared | $ / shares   $ 0 $ 0 $ 0        
Nondeductible Excise Tax Percentage             1.00%  
Liberty Tripadvisor Holdings, Inc.                
Schedule Of Capitalization Equity [Line Items]                
Common stock, shares issued 3,037,959              
Repurchase of common stock, shares 26,800,000              
Average price of shares repurchased, common stock | $ / shares $ 16.28              
Aggregate cost of shares repurchased, common stock | $ $ 437              
Class B Common Stock                
Schedule Of Capitalization Equity [Line Items]                
Common stock, shares authorized   400,000,000 400,000,000          
Common stock, par value | $ / shares   $ 0.001 $ 0.001          
Common stock, shares issued   0 12,799,999          
Common stock, shares outstanding   0 12,799,999 12,799,999   12,799,999    
Retirement of all treasury shares held by the company 53,100,000              
Retirement treasury shares | $ $ 1,300              
Common Stock                
Schedule Of Capitalization Equity [Line Items]                
Common stock, shares authorized   1,600,000,000            
Common stock, par value | $ / shares   $ 0.001            
Right to voting   one vote per share            
Vote per common stock share | VotePerShare   1            
Common stock, shares outstanding   120,577,305 153,655,038 149,775,361   146,891,538    
September 2023 Share Repurchse Program                
Schedule Of Capitalization Equity [Line Items]                
Repurchase of common stock, shares       1,324,524        
Average price of shares repurchased, common stock | $ / shares       $ 18.85        
Aggregate cost of shares repurchased, common stock | $       $ 25        
Prior to September 2023 Share Repurchse Program                
Schedule Of Capitalization Equity [Line Items]                
Aggregate cost of shares repurchased, common stock | $       $ 75