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Business & Basis of Presentation (Details) subscriber in Millions | 6 Months Ended
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Jun. 30, 2022 satellite_radio_system subscriber segment
Related Party Transaction [Line Items] |
Number of reportable segments | segment | 2
Number of satellite radio systems | satellite_radio_system | 2
Pandora |
Related Party Transaction [Line Items] |
Number of subscribers | 6.3
Sirius XM Canada | Equity Method Investee |
Related Party Transaction [Line Items] |
Equity method investment, equity interest percentage | 70.00%
Equity method investment, voting interest percentage | 33.00%
Liberty Media | Management | Common Stock |
Related Party Transaction [Line Items] |
Related party ownership percentage | 82.00%
Sirius XM |
Related Party Transaction [Line Items] |
Number of subscribers | 34.0

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