Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Contract Balances (Details)

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Summary of Significant Accounting Policies - Contract Balances (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Jan. 01, 2024
Jan. 01, 2023
Accounts receivable $ 187 $ 177    
Contract assets 20 15    
Total 207 192    
Deferred revenue 47 49    
Tripadvisor        
Deferred revenue     $ 49 $ 44
Contract with customer revenue recognized 46 41    
Refund liability $ 3 $ 3