Condensed Consolidated Statement Of Equity - USD ($) $ in Millions |
Common Class A
Liberty Ventures common stock
Common Stock
|
Common Class A
Common Stock
|
Additional Paid-In Capital |
Accumulated Other Comprehensive Earnings (Loss) |
Retained Earnings |
Noncontrolling Interest In Equity Of Subsidiaries |
Total |
|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 1 | $ 5 | $ 1,043 | $ (133) | $ 9,068 | $ 99 | $ 10,083 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Net earnings (loss) | Ìý | Ìý | Ìý | Ìý | 643 | 34 | 677 |
| Other comprehensive income (loss) | Ìý | Ìý | Ìý | (59) | Ìý | Ìý | (59) |
| Stock compensation | Ìý | Ìý | 67 | Ìý | Ìý | Ìý | 67 |
| Series A jvidÊÓƵ stock repurchases | Ìý | Ìý | (623) | Ìý | Ìý | Ìý | (623) |
| Distribution to noncontrolling interest | Ìý | Ìý | Ìý | Ìý | Ìý | (23) | (23) |
| Cumulative effect of accounting change | Ìý | Ìý | Ìý | 76 | (70) | Ìý | 6 |
| GCI Liberty split-off | Ìý | Ìý | (4,360) | Ìý | Ìý | 11 | (4,349) |
| Other | $ (1) | Ìý | (21) | Ìý | Ìý | Ìý | (22) |
| Reclassification | Ìý | Ìý | 3,894 | Ìý | (3,894) | Ìý | Ìý |
| Balance at Sep. 30, 2018 | Ìý | 5 | Ìý | (116) | 5,747 | 121 | 5,757 |
| Balance at Jun. 30, 2018 | Ìý | 5 | Ìý | (102) | 5,784 | 114 | 5,801 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Net earnings (loss) | Ìý | Ìý | Ìý | Ìý | 72 | 10 | 82 |
| Other comprehensive income (loss) | Ìý | Ìý | Ìý | (14) | Ìý | (3) | (17) |
| Stock compensation | Ìý | Ìý | 21 | Ìý | Ìý | Ìý | 21 |
| Series A jvidÊÓƵ stock repurchases | Ìý | Ìý | (130) | Ìý | Ìý | Ìý | (130) |
| Reclassification | Ìý | Ìý | 109 | Ìý | (109) | Ìý | Ìý |
| Balance at Sep. 30, 2018 | Ìý | 5 | Ìý | (116) | 5,747 | 121 | 5,757 |
| Balance at Dec. 31, 2018 | Ìý | 4 | Ìý | (55) | 5,675 | 120 | 5,744 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Net earnings (loss) | Ìý | Ìý | Ìý | Ìý | (597) | 38 | (559) |
| Other comprehensive income (loss) | Ìý | Ìý | Ìý | (40) | Ìý | 2 | (38) |
| Stock compensation | Ìý | Ìý | 54 | Ìý | Ìý | Ìý | 54 |
| Series A jvidÊÓƵ stock repurchases | Ìý | Ìý | (392) | Ìý | Ìý | Ìý | (392) |
| Distribution to noncontrolling interest | Ìý | Ìý | Ìý | Ìý | Ìý | (34) | (34) |
| Other | Ìý | Ìý | (6) | Ìý | Ìý | Ìý | (6) |
| Reclassification | Ìý | Ìý | 344 | Ìý | (344) | Ìý | Ìý |
| Balance at Sep. 30, 2019 | Ìý | 4 | Ìý | (95) | 4,734 | 126 | 4,769 |
| Balance at Jun. 30, 2019 | Ìý | 4 | Ìý | (64) | 5,583 | 118 | 5,641 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Net earnings (loss) | Ìý | Ìý | Ìý | Ìý | (770) | 15 | (755) |
| Other comprehensive income (loss) | Ìý | Ìý | Ìý | (31) | Ìý | (1) | (32) |
| Stock compensation | Ìý | Ìý | 17 | Ìý | Ìý | Ìý | 17 |
| Series A jvidÊÓƵ stock repurchases | Ìý | Ìý | (96) | Ìý | Ìý | Ìý | (96) |
| Distribution to noncontrolling interest | Ìý | Ìý | Ìý | Ìý | Ìý | (6) | (6) |
| Reclassification | Ìý | Ìý | $ 79 | Ìý | (79) | Ìý | Ìý |
| Balance at Sep. 30, 2019 | Ìý | $ 4 | Ìý | $ (95) | $ 4,734 | $ 126 | $ 4,769 |