Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Millions |
Jun. 30, 2018 |
Dec. 31, 2017 |
Long-term debt, measured at fair value |
$ 2,401
|
$ 2,115
|
Preferred Stock, Par or Stated Value Per Share |
$ 0.01
|
$ 0.01
|
Preferred stock, shares authorized |
50,000,000
|
50,000,000
|
Preferred stock, shares issued |
0
|
0
|
Liberty Sirius XM Group | Common Class A |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
2,000,000,000
|
2,000,000,000
|
Common stock, shares issued |
102,784,629
|
102,701,972
|
Common stock, shares outstanding |
102,784,629
|
102,701,972
|
Liberty Sirius XM Group | Common Class B |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
75,000,000
|
75,000,000
|
Common stock, shares issued |
9,821,531
|
9,821,531
|
Common stock, shares outstanding |
9,821,531
|
9,821,531
|
Liberty Sirius XM Group | Common Class C |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
2,000,000,000
|
2,000,000,000
|
Common stock, shares issued |
218,816,674
|
222,588,953
|
Common stock, shares outstanding |
218,816,674
|
222,588,953
|
Braves Group | Common Class A |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
200,000,000
|
200,000,000
|
Common stock, shares issued |
10,243,448
|
10,243,259
|
Common stock, shares outstanding |
10,243,448
|
10,243,259
|
Braves Group | Common Class B |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
7,500,000
|
7,500,000
|
Common stock, shares issued |
981,860
|
981,860
|
Common stock, shares outstanding |
981,860
|
981,860
|
Braves Group | Common Class C |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
200,000,000
|
200,000,000
|
Common stock, shares issued |
39,734,704
|
39,723,440
|
Common stock, shares outstanding |
39,734,704
|
39,723,440
|
Formula One Group | Common Class A |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
500,000,000
|
500,000,000
|
Common stock, shares issued |
25,656,286
|
25,649,611
|
Common stock, shares outstanding |
25,656,286
|
25,649,611
|
Formula One Group | Common Class B |
Ìý
|
Ìý
|
Common stock, par or stated value per share |
$ 0.01
|
$ 0.01
|
Common stock, shares authorized |
18,750,000
|
18,750,000
|
Common stock, shares issued |
2,454,126
|
2,454,126
|
|