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Capital Stock - Share Repurchases (Details) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | ---
Oct. 31, 2022 | Sep. 30, 2022 | Sep. 30, 2022 | Dec. 31, 2021 | Dec. 31, 2019 | Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock repurchases |  | $ 153 | $ 153 |  |  |
Average repurchase price per share (in dollars per share) |  | $ 100.07 | $ 100.07 |  |  |
Number of shares authorized and remaining under the repurchase program (in shares) |  | 21,800,000 | 21,800,000 |  |  |
Subsequent Event |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Common stock repurchases | $ 47 |  |  |  |  |
Average repurchase price per share (in dollars per share) | $ 95.65 |  |  |  |  |
Mr. Diller, Chairman |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Authorized share repurchase (up to) (in shares) |  |  |  | 23,300,000 | 20,000,000 | 15,000,000

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