Stockholders' Equity - Subsidiary Purchases of Common Stock (Details) - TripAdvisor - USD ($) $ in Millions |
9 Months Ended | |
|---|---|---|
Sep. 30, 2020 |
Sep. 30, 2021 |
|
| Equity, Class of Treasury Stock [Line Items] | ||
| Treasury shares acquired | 4,707,450 | |
| Payment for shares repurchased | $ 115 | |
| Stock repurchase remaining amount authorized | $ 75 |
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
|
| X | ||||||||||
- Definition Amount remaining of a stock repurchase plan authorized. No definition available.
|
| X | ||||||||||
- Definition Number of shares that have been repurchased during the period and are being held in treasury. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|