XML 44 R31.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Summary of Significant Accounting Policies (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2021
Accounting Policies [Abstract] |
Schedule of Significant Accounting Policies | In addition to the significant accounting policies discussed in this Note 2, the following table includes our significant accounting policies that are described in other notes to our consolidated financial statements, including the number and page of the note:
Significant Accounting Policy |  | Note # |  | Page #
Acquisition |  | 3 |  |  | F-15
Fair Value Measurements |  | 4 |  |  | F-18
Goodwill |  | 8 |  |  | F-20
Intangible Assets |  | 9 |  |  | F-21
Property and Equipment |  | 10 |  |  | F-23
Equity Method Investments |  | 12 |  |  | F-27
Share-Based Compensation |  | 15 |  |  | F-32
Legal Reserves |  | 16 |  |  | F-36
Income Taxes |  | 17 |  |  | F-39

X
- Definition Schedule of Significant Accounting Policies [Table Text Block] + References No definition available. + Details
Name: | siri_ScheduleofSignificantAccountingPoliciesTableTextBlock
Namespace Prefix: | siri_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_AccountingPoliciesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration