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Related Party Transactions (Details) $ in Millions | 1 Months Ended | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Feb. 29, 2020 USD ($) | Jun. 30, 2025 USD ($) boardMember director shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) boardMember director shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 $ / shares | Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Equity method investments |  | $ 1,002 |  | $ 1,002 |  |  | $ 1,043
Total revenue |  | 2,138 | $ 2,178 | 4,206 | $ 4,340 |  |
SoundCloud Holdings, LLC |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Cost of services |  | 13 | 15 | 26 | 30 |  |
Related party current liabilities |  | $ 17 |  | $ 17 |  |  | 20
SoundCloud Holdings, LLC |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Number of board members | boardMember |  | 10 |  | 10 |  |  |
Clean Energy Technology Investments |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investments in related parties and other equity investees |  | $ 19 | 23 | $ 68 | 202 |  |
Elected amount |  | 829 |  | 829 |  |  |
Elected commitment |  | 680 |  | 680 |  |  |
Clean Energy Technology Investments | Related Party |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Elected commitment |  | $ 99 |  | $ 99 |  |  |
Sirius XM Canada | Equity Method Investee |  |  |  |  |  |  |
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 |  | 591,000,000 |  | 591,000,000 |  |  |
Preferred stock liquidation preference per share (in CAD per share) | $ / shares |  |  |  |  |  | $ 1 |
Equity method investments |  | $ 100 |  | $ 100 |  |  | 89
Other receivable |  | 7 |  | 7 |  |  | $ 7
Total revenue |  | $ 25 | $ 23 | $ 47 | $ 47 |  |
SoundCloud Holdings, LLC | Equity Method Investee |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Investments in related parties and other equity investees | $ 75 |  |  |  |  |  |
Number of board members appointed | boardMember |  | 2 |  | 2 |  |  |
Liberty Media | Management | Director |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Number of related party members on board of directors | director |  | 1 |  | 1 |  |  |

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