Annual report pursuant to Section 13 and 15(d)

Income Taxes - Unrecognized Tax Benefits (Details)

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Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Unrecognized tax benefits        
Balance at beginning of year $ 157 $ 157 $ 144 $ 144
Additions based on tax positions related to the current year   8 5 5
Additions for tax positions of prior years   17 29 1
Reductions for lapse of statute of limitations     (20)  
Reductions for tax positions of prior years   (6) (1)  
Settlements with tax authorities   (40)   (6)
Balance at end of year   136 157 $ 144
Unrecognized tax benefits inclusive of interest   153    
Unrecognized tax benefit that would impact effective rate   114    
Accrued interest and penalties related to uncertain tax positions   50    
Other Liabilities        
Unrecognized tax benefits        
Accrued interest and penalties related to uncertain tax positions   45 $ 47  
Other Assets        
Unrecognized tax benefits        
Accrued interest and penalties related to uncertain tax positions   $ 5    
TripAdvisor | IRS | Tax Years 2009 Through 2011        
Unrecognized tax benefits        
Settlements with tax authorities $ (59)