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Common Stock (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 761,011 | 1,943,300 | 3,650,218 | 5,388,655
Payments for Repurchase of Common Stock | $ 222 | $ 783 | $ 1,099 | $ 2,021
Remaining authorized repurchase amount | $ 599 |  | $ 599 |
Share buybacks |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 695,494 | 1,833,928 | 3,426,918 | 5,092,677
Payments for Repurchase of Common Stock | $ 218 | $ 776 | $ 1,048 | $ 1,963
Share buybacks | Liberty Broadband |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 354,108 | 0 | 698,011 | 120,149
Payments for Repurchase of Common Stock | $ 110 | $ 0 | $ 226 | $ 42
Income tax withholding |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 12,804 | 15,261 | 144,363 | 148,075
Payments for Repurchase of Common Stock | $ 4 | $ 7 | $ 51 | $ 58
Exercise cost |  |  |  |
Class of Stock [Line Items] |  |  |  |
Treasury stock acquired (shares) | 52,713 | 94,111 | 78,937 | 147,903

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