|
Long-Term Debt (Narrative) (Details) (USD $)
|
9 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 9 Months Ended | 0 Months Ended | 0 Months Ended | 0 Months Ended | 1 Months Ended | 1 Months Ended | 0 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Sep. 30, 2014
|
Sep. 30, 2013
|
Sep. 30, 2014
Sirius XM credit facility
|
Dec. 31, 2012
Sirius XM credit facility
|
Sep. 30, 2014
1.375% Cash Convertible Senior Notes due 2023
item
|
Oct. 17, 2013
1.375% Cash Convertible Senior Notes due 2023
|
Apr. 30, 2013
$1 billion margin loan due 2015
Term loan
|
Sep. 30, 2014
$1 billion margin loan due 2015
Term loan
|
Apr. 30, 2013
$1 billion margin loan due 2015
Revolving Credit Facility
|
Sep. 30, 2014
$1 billion margin loan due 2015
Revolving Credit Facility
|
Sep. 30, 2014
$670 million margin loan due 2015
|
May 01, 2014
$670 million margin loan due 2015
|
May 31, 2014
Sirius XM 6.00% Senior Notes Due 2024 [Member]
|
Oct. 17, 2013
Common Class A
1.375% Cash Convertible Senior Notes due 2023
|
Oct. 17, 2013
Common Class A
1.375% Cash Convertible Senior Notes due 2023
|
Oct. 17, 2013
1.375% Convertible Notes Bond Hedge Transaction
|
Sep. 30, 2014
1.375% Convertible Notes Bond Hedge Transaction
|
Oct. 17, 2013
1.375% Convertible Notes Bond Hedge Transaction
|
Oct. 17, 2013
1.375% Convertible Notes Bond Hedge Transaction
Common Class A
|
Jul. 31, 2014
1.375% Convertible Notes Bond Hedge Transaction
Common Class A
|
Oct. 31, 2014
Subsequent Event
$1 billion margin loan due 2015
Term loan
|
Oct. 31, 2014
Subsequent Event
$1 billion margin loan due 2015
Revolving Credit Facility
|
Jul. 23, 2014
Subsequent Event
Common Class A
1.375% Cash Convertible Senior Notes due 2023
|
Jul. 23, 2013
Subsequent Event
Common Class A
1.375% Cash Convertible Senior Notes due 2023
|
|
| Debt Instrument [Line Items] | ||||||||||||||||||||||||
| Debt face amount | $ 1,000,000,000 | $ 670,000,000 | $ 1,500,000,000 | $ 250,000,000 | $ 750,000,000 | |||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 1.375% | 6.00% | ||||||||||||||||||||||
| Debt Instrument, Convertible, Conversion Ratio | 5.5882 | 15.7760 | ||||||||||||||||||||||
| Debt instrument, face amount per debenture | 1,000 | |||||||||||||||||||||||
| Debt Instrument, Convertible, Threshold Trading Days | 20 | |||||||||||||||||||||||
| Debt Instrument, Convertible, Threshold Consecutive Trading Days | 30 days | |||||||||||||||||||||||
| Debt instrument, convertible, threshold percentage of conversion price to stock price trigger | 98.00% | |||||||||||||||||||||||
| conversion price for exchangeable debt | $ 178.95 | $ 63.39 | ||||||||||||||||||||||
| Number of business days in measurement period | 5 | |||||||||||||||||||||||
| Number of consecutive trading days in measurement period. | 5 days | |||||||||||||||||||||||
| Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger | 130.00% | |||||||||||||||||||||||
| Forward contract, number of underlying shares | 5,588,200 | 15,776,000 | ||||||||||||||||||||||
| Derivative, Cap Price | 63.39 | 178.95 | ||||||||||||||||||||||
| Payments for Derivative Instrument, Investing Activities | 299,000,000,000 | |||||||||||||||||||||||
| Borrowings of debt | 2,218,000,000 | 4,211,000,000 | 250,000,000 | 450,000,000 | ||||||||||||||||||||
| Debt Instrument, Description of Variable Rate Basis | LIBOR | LIBOR | LIBOR | |||||||||||||||||||||
| Debt Instrument, Basis Spread on Variable Rate | 2.00% | 3.25% | ||||||||||||||||||||||
| Debt instrument, basis spread on variable rate, floor | 1.75% | |||||||||||||||||||||||
| Debt instrument, basis spread on variable rate, cap | 2.50% | |||||||||||||||||||||||
| Debt instrument, unused borrowing capacity, fee, percent | 0.35% | 0.75% | ||||||||||||||||||||||
| Line of Credit Facility, Remaining Borrowing Capacity | 1,105,000,000 | 750,000,000 | ||||||||||||||||||||||
| Debt Instrument, Term | 5 years | |||||||||||||||||||||||
| Incremental borrowing capacity | 1,000,000,000 | |||||||||||||||||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 1,250,000,000 | |||||||||||||||||||||||