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Basis of Presentation - Stock Repurchase (Details) - USD ($) shares in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Charter. |  |
Equity, Class of Treasury Stock [Line Items] |  |
Fully Diluted Ownership Percentage | 26.00% | 26.00%
Series C common stock |  |
Equity, Class of Treasury Stock [Line Items] |  |
Number of shares repurchased | 1,100 |
Value of stock repurchased | $ 89 |
Common Class A And C |  |
Equity, Class of Treasury Stock [Line Items] |  |
Number of shares repurchased |  | 459
Value of stock repurchased |  | $ 40
Remaining authorized repurchase amount | $ 1,685 |

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