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Benefit Plans - Sirius XM Holdings Inc. Deferred Compensation Plan (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021 | Dec. 31, 2021
Retirement Benefits [Abstract] |  |  |  |  |
Contribution withdrawals | $ (1) |  | $ (1) |  |
Deferred compensation contributions |  | $ 1 |  | $ 3 |
Fair value of investment assets related to deferred compensation plan | 46 |  | 46 |  | $ 56
Gains (losses) on investments | $ (6) | $ 3 | $ (9) | $ 4 |

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- References No definition available. + Details
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- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
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- Definition Amount of distribution made to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of assets held under deferred compensation agreements. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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