Accrued Expenses and Other Current Liabilities - Summary of Restructuring and other Related Reorganization Costs (Parenthetical) (Details) - USD ($) $ in Millions |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Restructuring Cost and Reserve [Line Items] | |||||
| Pre-tax restructuring and other related reorganization costs | $ 43 | $ 21 | $ 22 | ||
| Employee Severance Member | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Pre-tax restructuring and other related reorganization costs | $ 3 | ||||
| Employee Severance Member | Brand Tripadvisor | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Pre-tax restructuring and other related reorganization costs | $ 33 | $ 10 | |||
| One-time Termination Benefits | Brand Tripadvisor | |||||
| Restructuring Cost and Reserve [Line Items] | |||||
| Pre-tax restructuring and other related reorganization costs | $ 18 | ||||