XML 50 R41.htm IDEA: XBRL DOCUMENT
v3.20.1

Business & Basis of Presentation (Details) subscriber in Millions, $ in Millions | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2020 USD ($) unique_listener subscriber segment satellite_radio_system | Feb. 10, 2020 USD ($) | Dec. 31, 2019 USD ($)
Related Party Transaction [Line Items] |  |  |
Number of reportable segments | segment | 2 |  |
Number of satellite radio systems | satellite_radio_system | 2 |  |
SoundCloud Holdings, LLC |  |  |
Related Party Transaction [Line Items] |  |  |
Equity method investments | $ |  | $ 75 |
Equity Method Investee | Sirius XM Canada |  |  |
Related Party Transaction [Line Items] |  |  |
Equity method investment, equity interest percentage | 70.00% |  |
Equity method investment, voting interest percentage | 33.00% |  |
Equity method investments | $ | $ 300 |  | $ 321
Common Stock | Management | Liberty Media |  |  |
Related Party Transaction [Line Items] |  |  |
Related party ownership percentage | 72.00% |  |
Sirius XM |  |  |
Related Party Transaction [Line Items] |  |  |
Number of subscribers | subscriber | 34.8 |  |
Pandora |  |  |
Related Party Transaction [Line Items] |  |  |
Number of subscribers | subscriber | 6.3 |  |
Minimum | SoundCloud and Pandora |  |  |
Related Party Transaction [Line Items] |  |  |
Number of unique listeners | unique_listener | 140,000,000 |  |

X
- Definition Equity method investment, voting interest. + References No definition available. + Details
Name: | siri_EquityMethodInvestmentVotingInterest
Namespace Prefix: | siri_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of satellite radio systems. + References No definition available. + Details
Name: | siri_NumberOfSatelliteRadioSystems
Namespace Prefix: | siri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Subscribers + References No definition available. + Details
Name: | siri_NumberOfSubscribers
Namespace Prefix: | siri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number Of Unique Listeners + References No definition available. + Details
Name: | siri_NumberOfUniqueListeners
Namespace Prefix: | siri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Related party transaction related party ownership percentage. + References No definition available. + Details
Name: | siri_RelatedPartyTransactionRelatedPartyOwnershipPercentage
Namespace Prefix: | siri_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109237563&loc=d3e33749-111570 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_EquityMethodInvestments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RelatedPartyTransactionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=siri_SoundCloudHoldingsLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=us-gaap_EquityMethodInvesteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=siri_SiriusXMCanadaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=srt_ManagementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=siri_LibertyMediaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=siri_SiriusXMMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=siri_PandoraMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=siri_SoundCloudandPandoraMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |