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Common Stock (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 7,359,688 | 761,011 | 13,580,734 | 3,650,218
Payments for Repurchase of Common Stock | $ 2,113 | $ 222 | $ 4,366 | $ 1,099
Remaining authorized repurchase amount | $ 252 |  | $ 252 |
Share buybacks |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 7,298,058 | 695,494 | 13,135,958 | 3,426,918
Payments for Repurchase of Common Stock | $ 2,099 | $ 218 | $ 4,273 | $ 1,048
Share buybacks | Liberty Broadband |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 893,798 | 354,108 | 2,528,059 | 698,011
Payments for Repurchase of Common Stock | $ 300 | $ 110 | $ 900 | $ 226
Income tax withholding |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 53,912 | 12,804 | 275,312 | 144,363
Payments for Repurchase of Common Stock | $ 14 | $ 4 | $ 93 | $ 51
Exercise cost |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 7,718 | 52,713 | 169,464 | 78,937

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