Quarterly report pursuant to Section 13 or 15(d)

Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details)

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Assets and Liabilities Measured at Fair Value - Realized and Unrealized Gains (Losses) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ 15 $ 71 $ 7 $ 59
Variable prepaid forward        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net 6 15 3 15
Exchangeable Senior Debentures due 2051        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net (5) 8 (15)  
Credit risk on fair value debt instruments gains (losses) 4 37 (7) 41
Cumulative gain on assets 36   36  
Financial instrument liabilities        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ 14 46 $ 19 42
Tripadvisor Foreign Currency Forward Contracts        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net   $ 2   $ 2