Long-Term Debt (Narrative) (Details) (USD $)
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6 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 1 Months Ended | 6 Months Ended | 3 Months Ended | 11 Months Ended | |||||||||||||||||||||||||||||||
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Jun. 30, 2013
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Jun. 30, 2012
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Mar. 31, 2013
Sirius XM credit facility [Member]
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Mar. 31, 2013
Starz Bank Facility [Member]
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Dec. 31, 2012
Starz Bank Facility [Member]
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Jun. 30, 2013
$1 billion margin loan due 2014 [Member]
Term loan [Member]
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Jun. 30, 2013
$1 billion margin loan due 2014 [Member]
Revolving Credit Facility [Member]
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Jun. 30, 2013
$1 billion margin loan due 2014 [Member]
Revolving Credit Facility [Member]
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Jun. 30, 2013
$670 million margin loan due 2015 [Member]
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Jun. 30, 2013
$670 million margin loan due 2015 [Member]
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Jun. 30, 2013
$300 million margin loan due 2014 [Member]
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Aug. 06, 2013
Sirius XM 8.75% Senior Notes due 2015 [Member]
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Jun. 30, 2013
Sirius XM 8.75% Senior Notes due 2015 [Member]
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Mar. 31, 2013
Sirius XM 8.75% Senior Notes due 2015 [Member]
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Jan. 18, 2013
Sirius XM 8.75% Senior Notes due 2015 [Member]
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Mar. 31, 2013
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Jan. 18, 2013
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Aug. 06, 2013
Sirius XM 7.625% Senior Notes due 2018 [Member]
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Jun. 30, 2013
Sirius XM 7.625% Senior Notes due 2018 [Member]
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Mar. 31, 2013
Sirius XM 7.625% Senior Notes due 2018 [Member]
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Jan. 18, 2013
Sirius XM 7.625% Senior Notes due 2018 [Member]
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Mar. 31, 2013
Sirius XM 5.25% Senior Notes due 2022 [Member]
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Jun. 30, 2013
Sirius XM Senior Notes due 2020 [Member]
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Mar. 31, 2013
Sirius XM Senior Notes due 2020 [Member]
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Jun. 30, 2013
Sirius XM Senior Notes due 2023 [Member]
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Mar. 31, 2013
Sirius XM Senior Notes due 2023 [Member]
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Jun. 30, 2013
Sirius XM Senior Notes due 2020 ans 2023 [Member]
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Aug. 06, 2013
Sirius XM Senior Notes due 2021 [Member]
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Mar. 31, 2013
SIRIUS XM [Member]
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Jun. 30, 2012
SIRIUS XM [Member]
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Dec. 31, 2013
SIRIUS XM [Member]
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Sep. 30, 2012
SIRIUS XM [Member]
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014 [Member]
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Jun. 30, 2013
Charter Communications [Member]
$670 million margin loan due 2015 [Member]
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Jun. 30, 2013
SIRIUS XM [Member]
$1 billion margin loan due 2014 [Member]
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Jun. 30, 2013
Live Nation [Member]
$1 billion margin loan due 2014 [Member]
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Jun. 30, 2013
Time Warner Inc [Member]
$1 billion margin loan due 2014 [Member]
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Jun. 30, 2013
Viacom, Inc. [Member]
$1 billion margin loan due 2014 [Member]
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Jun. 30, 2013
Century Link, Inc. [Member]
$1 billion margin loan due 2014 [Member]
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Jun. 30, 2013
Time Warner Cable Inc [Member]
$1 billion margin loan due 2014 [Member]
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Shares pledged as collateral under loan | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 20,300,000 | 719,900,000 | 8,100,000 | 4,400,000 | 3,500,000 | 1,800,000 | 1,100,000 |
Borrowings of debt | $ 2,809,000,000 | $ 0 | Ìý | Ìý | Ìý | $ 450,000,000 | Ìý | $ 250,000,000 | $ 300,000,000 | $ 370,000,000 | $ 300,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Face Amount | 4,191,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 670,000,000 | 670,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Basis Spread on Variable Rate | Ìý | Ìý | Ìý | Ìý | Ìý | 2.00% | Ìý | Ìý | 3.25% | 3.25% | 5.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Downward interest rate adjustment on subsequent borrowings | Ìý | Ìý | Ìý | Ìý | Ìý | 1.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Repayments of Long-term Debt | 845,000,000 | 750,000,000 | Ìý | Ìý | Ìý | Ìý | (250,000,000) | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Senior Notes, principal amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 800,000,000 | Ìý | 550,000,000 | Ìý | Ìý | Ìý | 700,000,000 | Ìý | 400,000,000 | 500,000,000 | Ìý | 500,000,000 | Ìý | Ìý | 600,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Interest Rate, Stated Percentage | Ìý | Ìý | 0.30% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 8.75% | Ìý | 0.00% | Ìý | Ìý | Ìý | 0.00% | Ìý | 5.25% | 4.25% | Ìý | 0.00% | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Convertible, Conversion Ratio | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 533.3333 | 543.1372 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Conversion, Converted Instrument, Amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 48,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Conversion, Converted Instrument, Shares Issued | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 28,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt instrument, face amount per debenture | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
conversion price for exchangeable debt | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 1.875 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Senior Notes, principal amount owned by Â鶹×îгöÆ· | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 150,000,000 | Ìý | 11,000,000 | Ìý | Ìý | Ìý | 50,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Repurchased Face Amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 18,000,000 | 29,000,000 | Ìý | Ìý | Ìý | Ìý | 60,000,000 | 101,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Instrument, Repurchase Amount | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 20,000,000 | 33,000,000 | Ìý | Ìý | Ìý | Ìý | 67,000,000 | 113,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Debt Conversion, Converted Instrument, Rate | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 581.3112 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility, Maximum Borrowing Capacity | Ìý | Ìý | Ìý | Ìý | 1,250,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Line of Credit Facility, Remaining Borrowing Capacity | Ìý | Ìý | Ìý | 1,250,000,000 | Ìý | Ìý | 550,000,000 | 550,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Incremental borrowing capacity | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000,000,000 | 1,000,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Long-term Debt, Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 685,000,000 | Ìý | 930,000,000 | Ìý | Ìý | Ìý | 601,000,000 | Ìý | 391,000,000 | Ìý | 474,000,000 | Ìý | 470,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Senior Notes | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | 1,000,000,000 | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý |
Financial Instruments, Owned and Pledged as Collateral, at Fair Value | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | Ìý | $ 2,510,000,000 | $ 2,412,000,000 | $ 125,000,000 | $ 256,000,000 | $ 240,000,000 | $ 64,000,000 | $ 125,000,000 |