| Goodwill and Other Intangible Assets - Goodwill Rollforward (Details) - USD ($) $ in Millions | 12 Months Ended | |
|---|---|---|
| Dec. 31, 2023 | Dec. 31, 2022 | |
| Goodwill | 听 | 听 | 
| Goodwill, Beginning Balance | $ 19,341 | $ 19,248 | 
| Acquisitions | 听 | 97 | 
| Split-off | (176) | 听 | 
| Other | 听 | (4) | 
| Goodwill, Ending Balance | 19,165 | 19,341 | 
| Sirius XM Holdings | 听 | 听 | 
| Goodwill | 听 | 听 | 
| Goodwill, Beginning Balance | 15,209 | 15,112 | 
| Acquisitions | 听 | 97 | 
| Goodwill, Ending Balance | 15,209 | 15,209 | 
| Acquisition | 听 | 听 | 
| Consideration for acquisition | 听 | 136 | 
| Formula 1 | 听 | 听 | 
| Goodwill | 听 | 听 | 
| Goodwill, Beginning Balance | 3,956 | 3,956 | 
| Goodwill, Ending Balance | 3,956 | 3,956 | 
| Corporate And Other. | 听 | 听 | 
| Goodwill | 听 | 听 | 
| Goodwill, Beginning Balance | 176 | 180 | 
| Split-off | $ (176) | 听 | 
| Other | 听 | (4) | 
| Goodwill, Ending Balance | 听 | $ 176 | 
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- Definition Amount of increase in asset representing future economic benefits arising from a split-off. No definition available. 
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- References No definition available. 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Amount of increase (decrease), classified as other, of an asset representing the future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available. 
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- Details 
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