Information About Liberty's Operating Segments (Details) - USD ($)
$ in Millions |
3 Months Ended |
9 Months Ended |
Sep. 30, 2017 |
Sep. 30, 2016 |
Sep. 30, 2017 |
Sep. 30, 2016 |
| Operating Activities And Reporting Information By Segment [Line Items] |
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| Revenue, Net |
$ 2,065
|
$ 1,385
|
$ 5,600
|
$ 3,955
|
| Adjusted OIBDA |
695
|
485
|
1,860
|
1,331
|
| Liberty Sirius XM Group |
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| Operating Activities And Reporting Information By Segment [Line Items] |
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| Revenue, Net |
1,379
|
1,276
|
4,021
|
3,711
|
| Adjusted OIBDA |
543
|
482
|
1,555
|
1,371
|
| Liberty Sirius XM Group | SIRIUS XM |
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| Operating Activities And Reporting Information By Segment [Line Items] |
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| Revenue, Net |
1,379
|
1,276
|
4,021
|
3,711
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| Adjusted OIBDA |
549
|
490
|
1,568
|
1,380
|
| Liberty Sirius XM Group | Corporate And Other |
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| Operating Activities And Reporting Information By Segment [Line Items] |
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| Adjusted OIBDA |
(6)
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(8)
|
(13)
|
(9)
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| Braves Group |
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| Operating Activities And Reporting Information By Segment [Line Items] |
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| Revenue, Net |
185
|
109
|
366
|
244
|
| Adjusted OIBDA |
48
|
16
|
46
|
(8)
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| Braves Group | Corporate And Other |
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| Operating Activities And Reporting Information By Segment [Line Items] |
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| Revenue, Net |
185< |