Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Details Textual 2)

v2.4.1.9
Related Party Transactions (Details Textual 2) (USD $)
12 Months Ended 1 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2014
Apr. 25, 2014
Oct. 09, 2013
Jul. 31, 2008
Related Party Transaction [Line Items]              
Loss on change in value of derivatives $ 34,485,000us-gaap_GainLossOnDerivativeInstrumentsNetPretax $ 20,393,000us-gaap_GainLossOnDerivativeInstrumentsNetPretax $ 0us-gaap_GainLossOnDerivativeInstrumentsNetPretax        
Dividend received from unconsolidated entity investment 17,019,000siri_ProceedsFromEquityMethodInvestmentDividends 22,065,000siri_ProceedsFromEquityMethodInvestmentDividends 1,185,000siri_ProceedsFromEquityMethodInvestmentDividends        
7% Exchangeable Senior Subordinated Notes due 2014 [Member]              
Related Party Transaction [Line Items]              
7% Exchangeable Senior Subordinated Notes due 2014 0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
[1]     0us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
[1]      
Conversion of Exchangeable Notes to common stock (in shares) 272,855,859siri_StockIssuedDuringPeriodSharesConversionOfExchangeableNotes
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
           
Interest rate on instrument 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
[1] 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
[1] 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
[1]      
7.625% Senior Notes due 2018 [Member]              
Related Party Transaction [Line Items]              
Interest rate on instrument   7.625%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPointSixTwoFivePercentSeniorNotesDueTwoThousandEighteenMember
         
8.75% Senior Notes due 2015 [Member]              
Related Party Transaction [Line Items]              
Interest rate on instrument   8.75%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_EightPointSevenFivePercentSeniorNotesTwoThousandFifteenMember
         
Common Stock [Member]              
Related Party Transaction [Line Items]              
Conversion of Exchangeable Notes to common stock (in shares) 272,855,859siri_StockIssuedDuringPeriodSharesConversionOfExchangeableNotes
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
27,687,850siri_StockIssuedDuringPeriodSharesConversionOfExchangeableNotes
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Liberty Media [Member]              
Related Party Transaction [Line Items]              
Loss on change in value of derivatives 34,485,000us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
20,393,000us-gaap_GainLossOnDerivativeInstrumentsNetPretax
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
         
Liberty Media [Member] | 7% Exchangeable Senior Subordinated Notes due 2014 [Member]              
Related Party Transaction [Line Items]              
7% Exchangeable Senior Subordinated Notes due 2014   11,000,000us-gaap_DebtInstrumentFaceAmount
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
         
Conversion of Exchangeable Notes to common stock (in shares)       5,974,510siri_StockIssuedDuringPeriodSharesConversionOfExchangeableNotes
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
     
Interest rate on instrument 7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
  7.00%us-gaap_DebtInstrumentInterestRateStatedPercentage
/ us-gaap_LongtermDebtTypeAxis
= siri_SevenPercentExchangeableSeniorSubordinatedNotesDueTwoThousandFourteenMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
     
Liberty Media [Member] | Related Party Current Liabilities [Member]              
Related Party Transaction [Line Items]              
Derivatives asset (liability), fair value 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2] (15,702,000)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2]   0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2]      
Liberty Media [Member] | Related Party Current Liabilities [Member] | Level 2 [Member]              
Related Party Transaction [Line Items]              
Derivatives asset (liability), fair value 0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2] (15,702,000)us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2]   0us-gaap_DerivativeFairValueOfDerivativeNet
/ us-gaap_BalanceSheetLocationAxis
= siri_RelatedPartyCurrentLiabilitiesMember
/ us-gaap_FairValueByFairValueHierarchyLevelAxis
= us-gaap_FairValueInputsLevel2Member
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
[2]      
Liberty Media [Member] | Common Stock [Member] | October 2013 Share Repurchase Program [Member]              
Related Party Transaction [Line Items]              
Stock repurchase program, authorized amount           500,000,000us-gaap_StockRepurchaseProgramAuthorizedAmount1
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
/ us-gaap_ShareRepurchaseProgramAxis
= siri_October2013ShareRepurchaseProgramMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
 
Stock repurchased and retired during period, value   160,000,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
/ us-gaap_ShareRepurchaseProgramAxis
= siri_October2013ShareRepurchaseProgramMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
         
Share price (in dollars per share)         $ 3.66us-gaap_SharePrice
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
/ us-gaap_ShareRepurchaseProgramAxis
= siri_October2013ShareRepurchaseProgramMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Liberty Media [Member] | Common Stock [Member] | Amended October 2013 Share Repurchase Program [Member]              
Related Party Transaction [Line Items]              
Stock repurchased and retired during period, value         340,000,000us-gaap_StockRepurchasedAndRetiredDuringPeriodValue
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_LibertyMediaMember
/ us-gaap_ShareRepurchaseProgramAxis
= siri_AmendedOctober2013ShareRepurchaseProgramMember
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
   
Sirius XM Canada [Member]              
Related Party Transaction [Line Items]              
Investment, equity method goodwill and intangible assets 2,654,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
26,161,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
  2,654,000us-gaap_EquityMethodInvestmentDifferenceBetweenCarryingAmountAndUnderlyingEquity
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
     
Related party deferred revenue, current 2,776,000siri_DeferredRevenueRelatedPartyCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
2,776,000siri_DeferredRevenueRelatedPartyCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
  2,776,000siri_DeferredRevenueRelatedPartyCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
     
Related party deferred revenue, non current 13,415,000siri_DeferredRevenueRelatedPartyNonCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
16,190,000siri_DeferredRevenueRelatedPartyNonCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
  13,415,000siri_DeferredRevenueRelatedPartyNonCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
     
Estimated fair value of deferred revenue from XM Canada             34,000,000siri_EstimatedFairValueOfDeferredRevenueFromRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
Dividend received from unconsolidated entity investment $ 43,492,000siri_ProceedsFromEquityMethodInvestmentDividends
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
$ 16,796,000siri_ProceedsFromEquityMethodInvestmentDividends
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
$ 7,749,000siri_ProceedsFromEquityMethodInvestmentDividends
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= siri_SiriusXmCanadaMember
       
[1] The carrying value of the notes are net of the remaining unamortized original issue discount.
[2] The final installment under the share repurchase agreement with Liberty Media was settled on April 25, 2014. The fair value of the derivative associated with the share repurchase agreement was determined using observable inputs, including the U.S. spot LIBOR curve and other available market data and was recorded in our consolidated balance sheets in Related party current liabilities, with changes in fair value recorded to our statements of comprehensive income.