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Related Party Transactions - Additional Information (Details) $ / shares in Units, $ / shares in Units, shares in Millions, $ in Millions, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2021 USD ($) director executive $ / shares shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 CAD ($) director executive $ / shares shares | Feb. 29, 2020 USD ($) board_member ordinary_membership_unit | Feb. 10, 2020 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |
Preferred stock liquidation preference per share (in CAD per share) | $ / shares | $ 0.001 |  |  |  |  |
Income (loss) from equity method investments | $ (18) | $ (16) | $ (21) |  |  |
SoundCloud Holdings, LLC |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of board members | board_member |  |  |  |  | 9 |
SoundCloud Holdings, LLC |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Revenue share expense | 60 | 55 | 40 |  |  |
Related party liabilities | $ 24 | 24 |  |  |  |
SoundCloud Holdings, LLC |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Equity method investments |  |  |  |  |  | $ 75
Management | Executives | Liberty Media |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of related party members on board of directors | executive | 3 |  |  | 3 |  |
Management | Director | Liberty Media |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of related party members on board of directors | director | 1 |  |  | 1 |  |
Equity Method Investee |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Notes receivable, related parties |  |  |  | $ 131 |  |
Proceeds from related party debt | $ 2 | 11 | 1 |  |  |
Income (loss) from equity method investments | $ (2) | (1) |  |  |  |
Equity Method Investee | Services Agreement |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Period of agreement | 30 years |  |  |  |  |
Equity Method Investee | Services Agreement, Years 1 Through 5 |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Payments receivable, percentage of gross revenue | 25.00% |  |  |  |  |
Equity Method Investee | Advisory Services Agreement |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Period of agreement | 30 years |  |  |  |  |
Payments receivable, percentage of gross revenue | 5.00% |  |  |  |  |
Equity Method Investee | Sirius XM Canada |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Equity method investment, equity interest percentage | 70.00% |  |  | 70.00% |  |
Equity method investment, voting interest percentage | 33.00% |  |  | 33.00% |  |
Number of preferred shares owned (in shares) | shares | 591 |  |  | 591 |  |
Preferred stock liquidation preference per share (in CAD per share) | $ / shares |  |  |  | $ 1 |  |
Notes receivable, related parties | $ 120 | 123 |  |  |  |
Equity method investments | 334 | 332 |  |  |  |
Equity method investment, dividends, including reduction of investment | 2 | 2 | 2 |  |  |
Revenue from related parties | $ 101 | $ 97 | $ 98 |  |  |
Equity Method Investee | SoundCloud Holdings, LLC |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of board members appointed | board_member |  |  |  |  | 2 |
Equity Method Investee | SoundCloud Holdings, LLC | Series G Membership Units |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Equity method investments |  |  |  |  | $ 75 |
Series G membership unit conversion ratio (ordinary membership unit per series G membership unit) | ordinary_membership_unit |  |  |  |  | 1 |
Common Stock | Management | Liberty Media |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Related party ownership percentage | 81.00% |  |  | 81.00% |  |

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