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Related Party Transactions (Details)
$ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2022
USD ($)
Dec. 31, 2023
USD ($)
aircraft
Dec. 31, 2022
USD ($)
Related Party Transaction [Line Items]      
Long-term investments and other assets   $ 1,238 $ 1,184
Two Airplanes | Related Party | Expedia, Inc      
Related Party Transaction [Line Items]      
Airplane ownership interest   50.00%  
Number of aircrafts | aircraft   2  
Two Airplanes | Related Party | Iac      
Related Party Transaction [Line Items]      
Airplane ownership interest   50.00%  
Number of aircrafts | aircraft   2  
Airplane Three      
Related Party Transaction [Line Items]      
Proceeds received from divestiture, percent 50.00%    
Net sale proceeds $ 19    
Aircraft      
Related Party Transaction [Line Items]      
Long-term investments and other assets   $ 43 $ 46