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 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ (8) $ (24) $ (1) $ 35
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) 3 9
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 (11) (2) (26) (2)
Credit risk on fair value debt instruments gains (losses) (1) (11) (8) 30
Cumulative gain on assets 35   35  
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 2 (20) 21 22
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 $ 1 $ 4 $ 1 $ 6