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, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net $ (24) $ 82 $ 35 $ 189
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 (2) 15 (2) 41
Debt issuance costs       5
Fair Value, Option, Credit Risk, Gains (Losses) on Assets (11)   30 8
Cumulative gain on assets 37   37  
Exchangeable Senior Debentures due 2051 | Maximum        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair Value, Option, Credit Risk, Gains (Losses) on Assets   1    
Financial instrument liabilities, net        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Realized and unrealized gains (losses) on financial instruments, net (26) 66 31 147
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 $ 4 $ 1 $ 6 $ 1