Stock-Based Compensation (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 9 Months Ended | 0 Months Ended | 0 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Jul. 23, 2014
Common Class C
|
Sep. 30, 2014
Common Class C
|
Jul. 23, 2014
Common Class C
|
Jul. 23, 2014
Common Class A
|
Sep. 30, 2014
Common Class A
|
Jul. 23, 2014
Common Class A
|
Dec. 31, 2013
Common Class A
|
Sep. 30, 2014
SIRIUS XM
|
Sep. 30, 2013
SIRIUS XM
|
Sep. 30, 2014
SIRIUS XM
|
Sep. 30, 2013
SIRIUS XM
|
|
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Number of shares issued during the period for each share of Series A and Series B stock held by shareholders prior to the distribution | Ìý | Ìý | Ìý | Ìý | 2 | Ìý | Ìý | 2 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Granted | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Weighted average grant-date fair value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 38.86 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Vesting period | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 4 years | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Total unrecognized compensation cost related | $ 32 | Ìý | $ 32 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 274 | Ìý | $ 274 | Ìý |
Cost not yet recognized, weighted average period | Ìý | Ìý | 1 year 9 months 18 days | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 2 years 6 months | Ìý |
Outstanding options | Ìý | Ìý | Ìý | Ìý | Ìý | 6,894,000 | Ìý | Ìý | 3,450,000 | Ìý | 3,656,000 | 282,000,000 | Ìý | 282,000,000 | Ìý |
Exercisable options | Ìý | Ìý | Ìý | Ìý | Ìý | 4,668,000 | Ìý | Ìý | 2,337,000 | Ìý | Ìý | 134,000,000 | Ìý | 134,000,000 | Ìý |
Outstanding WAEP | Ìý | Ìý | Ìý | Ìý | Ìý | $ 30.72 | Ìý | Ìý | $ 30.70 | Ìý | $ 30.58 | $ 2.67 | Ìý | $ 2.67 | Ìý |
Exercisable WAEP | Ìý | Ìý | Ìý | Ìý | Ìý | $ 30.14 | Ìý | Ìý | $ 30.11 | Ìý | Ìý | $ 2.21 | Ìý | $ 2.21 | Ìý |
Outstanding, aggregate intrinsic value | Ìý | Ìý | Ìý | Ìý | Ìý | 112 | Ìý | Ìý | 57 | Ìý | Ìý | 270 | Ìý | 270 | Ìý |
Exercisable, aggregate intrinsic value | Ìý | Ìý | Ìý | Ìý | Ìý | 79 | Ìý | Ìý | 40 | Ìý | Ìý | 204 | Ìý | 204 | Ìý |
Share-based Compensation | $ 53 | $ 52 | $ 151 | $ 141 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 39 | $ 38 | $ 110 | $ 97 |
Series C option exercise price as compared to the Series A exercise price (as a percent) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 33.33% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Option exercise price adjustment (as a percent) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 33.33% | Ìý | Ìý | Ìý | Ìý | Ìý |