Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions |
|
|
4 Months Ended |
8 Months Ended |
12 Months Ended |
Jan. 01, 2016 |
Jul. 23, 2014 |
Apr. 15, 2016 |
Dec. 31, 2016 |
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
| Allowance for Doubtful Accounts Receivable, Current |
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|
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$ 9
|
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$ 12
|
$ 9
|
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|
| Provision for Doubtful Accounts |
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|
Ìý
|
Ìý
|
Ìý
|
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|
57
|
56
|
$ 47
|
| Allowance for Doubtful Accounts Receivable, Write-offs |
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|
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|
Ìý
|
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|
55
|
53
|
49
|
| Total Value Of Fair Value Option Securities |
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|
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|
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|
489
|
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|
467
|
489
|
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|
| Property, Plant and Equipment, Gross |
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|
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|
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|
3,182
|
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|
3,596
|
3,182
|
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|
| Depreciation |
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|
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|
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|
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|
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|
230
|
186
|
207
|
| Interest Costs Capitalized |
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|
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|
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|
Ìý
|
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|
10
|
8
|
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|
| Advertising Expense |
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|
Ìý
|
Ìý
|
Ìý
|
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|
311
|
230
|
210
|
| Share-based Compensation |
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|
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|
Ìý
|
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|
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|
230
|
150
|
204
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized |
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|
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|
Ìý
|
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|
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|
$ 30
|
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|
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|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
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|
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|
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|
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|
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|
1 year 8 months 12 days
|
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| Âé¶¹×îгöÆ· Sirius XM Group |
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|
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|
Ìý
|
Ìý
|
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| Property, Plant and Equipment, Gross |
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|
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|
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|
2,079
|
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|
$ 2,274
|
2,079
|
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|
| Share-based Compensation |
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|
Ìý
|
Ìý
|
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|
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|
$ 150
|
128
|
157
|
| Anti-dilutive shares excluded from EPS |
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|
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|
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|
Ìý
|
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|
22,000,000
|
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|
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| Braves Group |
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|
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|
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|
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|
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|
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|
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| Property, Plant and Equipment, Gross |
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|
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|
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|
943
|
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|
$ 1,150
|
943
|
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|
| Share-based Compensation |
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|
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|
Ìý
|
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|
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|
48
|
9
|
10
|
| Basic earnings (loss) |
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|
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|
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|
(30)
|
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|
(25)
|
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|
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|
| Unrealized gain loss on the intergroup interest |
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|
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|
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|
27
|
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|
15
|
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|
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|
| Diluted earnings (loss) |
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|
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|
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|
(3)
|
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|
$ (10)
|
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|
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|
| Anti-dilutive shares excluded from EPS |
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|
Ìý
|
Ìý
|
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|
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|
2,000,000
|
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|
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|
| Formula One Group |
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
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|
| Property, Plant and Equipment, Gross |
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|
Ìý
|
Ìý
|
160
|
Ìý
|
$ 172
|
160
|
Ìý
|
| Share-based Compensation |
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|
Ìý
|
Ìý
|
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|
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|
$ 32
|
13
|
$ 37
|
| Anti-dilutive shares excluded from EPS |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
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|
5,000,000
|
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|
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|
| Land [Member] |
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|
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|
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|
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|
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|
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|
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|
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|
| Property, Plant and Equipment, Gross |
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|
Ìý
|
Ìý
|
191
|
Ìý
|
$ 217
|
191
|
Ìý
|
| Building and Improvements [Member] |
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
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|
| Property, Plant and Equipment, Gross |
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|
Ìý
|
Ìý
|
144
|
Ìý
|
974
|
144
|
Ìý
|
| Equipment [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Gross |
Ìý
|
Ìý
|
Ìý
|
316
|
Ìý
|
$ 514
|
316
|
Ìý
|
| Satellite system [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Useful Life |
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
15 years
|
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|
Ìý
|
| Property, Plant and Equipment, Gross |
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|
Ìý
|
Ìý
|
1,668
|
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|
$ 1,676
|
1,668
|
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|
| Construction in Progress [Member] |
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
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|
| Property, Plant and Equipment, Gross |
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|
Ìý
|
Ìý
|
$ 863
|
Ìý
|
$ 215
|
$ 863
|
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|
| Common Class A | Âé¶¹×îгöÆ· Sirius XM Group |
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|
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|
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|
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|
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|
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|
Ìý
|
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|
| Anti-dilutive shares excluded from EPS |
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|
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|
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|
21,000,000
|
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|
Ìý
|
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|
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|
| Common Class A | Braves Group |
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|
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|
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|
Ìý
|
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|
Ìý
|
Ìý
|
Ìý
|
| Anti-dilutive shares excluded from EPS |
Ìý
|
Ìý
|
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|
2,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Common Class A | Formula One Group |
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|
Ìý
|
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|
Ìý
|
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|
Ìý
|
Ìý
|
Ìý
|
| Anti-dilutive shares excluded from EPS |
Ìý
|
Ìý
|
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|
5,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Common Class C | Âé¶¹×îгöÆ· |
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|
Ìý
|
Ìý
|
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|
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|
Ìý
|
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|
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|
| Number of Shares Issued During The Period For Each Share of Series A and Series B Stock Held By Shareholders Prior To The Distribution |
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|
2
|
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|
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|
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|
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|
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|
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|
| Common Class SeriesA, SeriesB, SeriesC | Âé¶¹×îгöÆ· Sirius XM Group |
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|
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|
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|
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|
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|
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|
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|
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|
| Weighted Average Number of Shares Outstanding, Basic |
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|
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|
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|
335,000,000
|
Ìý
|
336,000,000
|
Ìý
|
Ìý
|
| Potentially dilutive shares |
Ìý
|
Ìý
|
Ìý
|
2,000,000
|
Ìý
|
4,000,000
|
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|
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|
| Diluted, Weighted average number of shares outstanding |
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|
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|
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|
337,000,000
|
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|
340,000,000
|
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|
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|
| Common Class SeriesA, SeriesB, SeriesC | Braves Group |
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|
Ìý
|
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|
Ìý
|
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|
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|
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|
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|
| Investment Owned, Balance, Shares |
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|
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|
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|
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|
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|
9,084,940
|
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|
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|
| Weighted Average Number of Shares Outstanding, Basic |
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|
Ìý
|
Ìý
|
46,000,000
|
Ìý
|
49,000,000
|
Ìý
|
Ìý
|
| Potentially dilutive shares |
Ìý
|
Ìý
|
Ìý
|
9,000,000
|
Ìý
|
10,000,000
|
Ìý
|
Ìý
|
| Diluted, Weighted average number of shares outstanding |
Ìý
|
Ìý
|
Ìý
|
55,000,000
|
Ìý
|
59,000,000
|
Ìý
|
Ìý
|
| Common Class SeriesA, SeriesB, SeriesC | Formula One Group |
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Weighted Average Number of Shares Outstanding, Basic |
Ìý
|
Ìý
|
Ìý
|
84,000,000
|
Ìý
|
207,000,000
|
Ìý
|
Ìý
|
| Potentially dilutive shares |
Ìý
|
Ìý
|
Ìý
|
1,000,000
|
Ìý
|
4,000,000
|
Ìý
|
Ìý
|
| Diluted, Weighted average number of shares outstanding |
Ìý
|
Ìý
|
Ìý
|
85,000,000
|
Ìý
|
211,000,000
|
Ìý
|
Ìý
|
| Common Class SeriesA, SeriesB, SeriesC | Âé¶¹×îгöÆ· |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Weighted Average Number of Shares Outstanding, Basic |
Ìý
|
Ìý
|
335,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
338,000,000
|
| Potentially dilutive shares |
Ìý
|
Ìý
|
2,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
2,000,000
|
| Diluted, Weighted average number of shares outstanding |
Ìý
|
Ìý
|
337,000,000
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
340,000,000
|
| Anti-dilutive shares excluded from EPS |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
23,000,000
|
22,000,000
|
| Accounting Standards Update 2016-09 | Retained Earnings |
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|
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|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
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|
| Cumulative adjustment for change in accounting principle |
$ 66
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| SIRIUS XM |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Share-based Compensation |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
$ 124
|
$ 109
|
$ 157
|
| Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
2 years 6 months
|
Ìý
|
Ìý
|
| SIRIUS XM | Accounting Standards Update 2014-09 |
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|
Ìý
|
Ìý
|
Ìý
|
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|
Ìý
|
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|
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|
| New Accounting Pronouncement, Effect of Change on subscriber revenue |
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|
Ìý
|
Ìý
|
Ìý
|
$ 90
|
Ìý
|
Ìý
|
Ìý
|
| Formula 1 | Braves Group |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Investment Owned, Balance, Shares |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
9,084,940
|
Ìý
|
Ìý
|
| Minimum |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Typical length of subscription wiht new or leased vehicle with satellite radio |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
3 months
|
Ìý
|
Ìý
|
| Minimum | Building and Improvements [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Useful Life |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
10 years
|
Ìý
|
Ìý
|
| Minimum | Equipment [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Useful Life |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
3 years
|
Ìý
|
Ìý
|
| Maximum |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Typical length of subscription wiht new or leased vehicle with satellite radio |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
12 months
|
Ìý
|
Ìý
|
| Maximum | Building and Improvements [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Useful Life |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
40 years
|
Ìý
|
Ìý
|
| Maximum | Equipment [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Property, Plant and Equipment, Useful Life |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
20 years
|
Ìý
|
Ìý
|
| Programming and content expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Allocated Share-based Compensation Expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
$ 27
|
21
|
19
|
| Customer service and billing |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Allocated Share-based Compensation Expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
4
|
4
|
5
|
| Other cost of subscriber services |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Allocated Share-based Compensation Expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
5
|
5
|
8
|
| Other Operating Income Expense [Member] |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Allocated Share-based Compensation Expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
16
|
13
|
18
|
| Selling, General and Administrative Expenses |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
| Allocated Share-based Compensation Expense |
Ìý
|
Ìý
|
Ìý
|
Ìý
|
Ìý
|
$ 178
|
$ 107
|
$ 154
|