Sirius XM Holdings Inc. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Cover
- Cover Page
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Commitments and Contingencies - Additional Information (Details)

v3.20.2

Commitments and Contingencies - Additional Information (Details)	9 Months Ended
	Sep. 30, 2020 USD ($) satellite
Loss Contingencies [Line Items]
Number of replacement satellites \| satellite	2
Copyright Royalty Board Proceeding to Determine the Rate for Statutory Webcasting
Loss Contingencies [Line Items]
Webcaster fee, non-subscription (USD per transmission)	$ 0.0018
Webcaster fee, subscription (USD per transmission)	0.0024
Webcaster fee, non-subscription, proposed rate (USD per transmission)	0.0028
Webcaster fee, subscription, proposed rate (USD per transmission)	0.0031
Surety Bond
Loss Contingencies [Line Items]
Estimate of possible loss	$ 45,000,000
Minimum
Loss Contingencies [Line Items]
Operating lease obligations, term (years)	1 year
Maximum
Loss Contingencies [Line Items]
Operating lease obligations, term (years)	15 years
XM-5, FM-5, FM-6, XM-3, and XM-4
Loss Contingencies [Line Items]
Operating performance over design life	15 years
XM-4
Loss Contingencies [Line Items]
Period beyond expected operating performance of design life for XM-4	5 years
XM-4 \| Maximum
Loss Contingencies [Line Items]
Additional payments required if XM-4 continues to operate above baseline specifications	$ 10,000,000
Royalty Arrangement
Loss Contingencies [Line Items]
Prepayments made of minimum guarantee payments	5,000,000
Future minimum guarantee payments	35,000,000
Minimum guarantee payments due	$ 22,000,000

- Definition

Additional expense incurred if baseline specifications related to the design of a satellite are exceeded.

+ References

No definition available.

+ Details

Name:	siri_AdditionalExpenseIncurredIfBaselineSpecificationsAreExceeded
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Commercial Webcaster Fee, Non-Subscription, Per Transmission

+ References

No definition available.

+ Details

Name:	siri_CommercialWebcasterFeeNonSubscriptionPerTransmission
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Commercial Webcaster Fee, Non-Subscription, Per Transmission, Proposed Rate

+ References

No definition available.

+ Details

Name:	siri_CommercialWebcasterFeeNonSubscriptionPerTransmissionProposedRate
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Commercial Webcaster Fee, Subscription, Per Transmission

+ References

No definition available.

+ Details

Name:	siri_CommercialWebcasterFeeSubscriptionPerTransmission
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Commercial Webcaster Fee, Subscription, Per Transmission, Proposed Rate

+ References

No definition available.

+ Details

Name:	siri_CommercialWebcasterFeeSubscriptionPerTransmissionProposedRate
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Commitments and Contingencies, Number of Replacement Satellites

+ References

No definition available.

+ Details

Name:	siri_CommitmentsandContingenciesNumberofReplacementSatellites
Namespace Prefix:	siri_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Period beyond expected operating performance of design life.

+ References

No definition available.

+ Details

Name:	siri_PeriodBeyondExpectedOperatingPerformanceOfDesignLife
Namespace Prefix:	siri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Prepayments Of Minimum Guarantee Payments

+ References

No definition available.

+ Details

Name:	siri_PrepaymentsOfMinimumGuaranteePayments
Namespace Prefix:	siri_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Satellite expected operating performance over design life.

+ References

No definition available.

+ Details

Name:	siri_SatelliteExpectedOperatingPerformanceOverDesignLife
Namespace Prefix:	siri_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 3
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918673-209980

+ Details

Name:	us-gaap_LesseeOperatingLeaseTermOfContract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- 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_LossContingenciesLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Reflects the estimated amount of loss from the specified contingency as of the balance sheet date.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 9
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=121555522&loc=d3e12021-110248

+ Details

Name:	us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of commitment classified as other to be paid in remainder of current fiscal year.

+ References

No definition available.

+ Details

Name:	us-gaap_OtherCommitmentsFutureMinimumPaymentsRemainderOfFiscalYear
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	srt_LitigationCaseAxis=siri_CopyrightRoyaltyBoardProceedingToDetermineTheRateForStatutoryWebcastingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_SuretyBondMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=siri_FMFiveXMFiveFM6XMFourAndXMThreeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=siri_XmFourSatelliteMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_OtherCommitmentsAxis=siri_MusicRoyaltyArrangementsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: