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Related Party Transactions - Additional Information 1 (Details) (Liberty Media [Member])
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Mar. 31, 2015
director
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Executives [Member]
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| Related Party Transaction [Line Items] | |
| Number of Related Party Members on the Board of Directors |
2siri_NumberOfRelatedPartyMembersOnBoardOfDirectors / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = siri_LibertyMediaMember / us-gaap_TitleOfIndividualAxis = us-gaap_ExecutiveOfficerMember |
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Director [Member]
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| Related Party Transaction [Line Items] | |
| Number of Related Party Members on the Board of Directors |
1siri_NumberOfRelatedPartyMembersOnBoardOfDirectors / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = siri_LibertyMediaMember / us-gaap_TitleOfIndividualAxis = us-gaap_DirectorMember |
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Common Stock [Member] | Minimum [Member]
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| Related Party Transaction [Line Items] | |
| Related party ownership percentage |
50.00%siri_RelatedPartyTransactionRelatedPartyOwnershipPercentage / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = siri_LibertyMediaMember / us-gaap_StatementEquityComponentsAxis = us-gaap_CommonStockMember |
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- Definition
Number of related party members on the board of directors. No definition available.
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- Definition
Related party transaction related party ownership percentage. No definition available.
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- Details
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