Consolidated Statements of Equity - 6 months ended Jun. 30, 2018 - USD ($) $ in Millions |
Liberty Sirius XM Group
Common Class A
|
Liberty Sirius XM Group
Common Class C
|
Liberty Sirius XM Group |
Braves Group |
Formula One Group
Common Class C
|
Formula One Group |
Additional Paid-in Capital |
Accumulated Other Comprehensive Income (Loss) |
Retained Earnings |
Noncontrolling Interest |
Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 1 | $ 2 | Ìý | Ìý | $ 2 | Ìý | $ 3,892 | $ (35) | $ 13,081 | $ 5,631 | $ 22,574 |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
| Net earnings | Ìý | Ìý | $ 530 | $ (55) | Ìý | $ (7) | Ìý | Ìý | 303 | 165 | 468 |
| Other Comprehensive Earnings (Loss) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (36) | Ìý | (6) | (42) |
| Cumulative effect of accounting change | Accounting Standards Update 2016-09 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2 | 39 | 4 | 45 |
| Stock-based compensation | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 66 | Ìý | Ìý | 17 | 83 |
| Withholding taxes on net share settlements of stock-based compensation | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (81) | Ìý | Ìý | Ìý | (81) |
| Issuance of stock upon exercise of stock options | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2 | Ìý | Ìý | Ìý | 2 |
| Liberty stock repurchases | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (218) | Ìý | Ìý | Ìý | (218) |
| Shares repurchased by subsidiary | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (87) | Ìý | Ìý | (230) | (317) |
| Shares issued by subsidiary | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (34) | Ìý | Ìý | 34 | Ìý |
| Dividends issued by subsidiary | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (29) | (29) |
| Purchase of noncontrolling interest | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | (9) | Ìý | Ìý | (9) | (18) |
| Other, net | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2 | Ìý | (4) | Ìý | (2) |
| Balance at Jun. 30, 2018 | $ 1 | $ 2 | Ìý | Ìý | $ 2 | Ìý | $ 3,533 | $ (69) | $ 13,419 | $ 5,577 | $ 22,465 |