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