XML 100 R89.htm IDEA: XBRL DOCUMENT
v3.19.1

Segments and Geographic Information (Details) subscriber in Millions, active_user in Millions | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($) active_user subscriber segment satellite_radio_system | Mar. 31, 2018 USD ($)
Segment Reporting Information [Line Items] |  |
Number of reportable segments | segment | 2 |
Number of satellite radio systems | satellite_radio_system | 2 |
Revenue | $ 1,744,000,000 | $ 1,375,000,000
Sirius XM |  |
Segment Reporting Information [Line Items] |  |
Number of subscribers | subscriber | 34.2 |
Revenue | $ 1,493,000,000 |
Pandora |  |
Segment Reporting Information [Line Items] |  |
Number of subscribers | subscriber | 6.9 |
Number of ad-supported active users | active_user | 66.0 |
Revenue | $ 251,000,000 |
Sirius XM Canada | Equity Method Investee |  |
Segment Reporting Information [Line Items] |  |
Equity method investment, equity interest percentage | 70.00% |
Equity method investment, voting interest percentage | 33.00% |
Advertising revenue |  |
Segment Reporting Information [Line Items] |  |
Revenue | $ 209,000,000 | $ 42,000,000
Advertising revenue | Sirius XM |  |
Segment Reporting Information [Line Items] |  |
Revenue | 46,000,000 |
Advertising revenue | Pandora |  |
Segment Reporting Information [Line Items] |  |
Revenue | 163,000,000 |
Advertising revenue | Intersegment Eliminations |  |
Segment Reporting Information [Line Items] |  |
Revenue | $ 0 |

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 Ad-Supported Active Users + References No definition available. + Details
Name: | siri_NumberOfAdSupportedActiveUsers
Namespace Prefix: | siri_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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 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 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 Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
Name: | us-gaap_RevenueFromContractWithCustomerExcludingAssessedTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=siri_SiriusXMCanadaMember
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_ProductOrServiceAxis=us-gaap_AdvertisingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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