Goodwill and Intangible Assets - Intangible Assets Not Subject to Amortization (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Intangible Assets | 听 | 听 | 听 |
| Intangibles not subject to amortization | $ 235 | $ 1,884 | $ 3 |
| Sirius XM Holdings | Trademarks | 听 | 听 | 听 |
| Intangible Assets | 听 | 听 | 听 |
| Intangibles not subject to amortization | 1,242 | 1,262 | 听 |
| Braves Holdings | Franchise Rights | 听 | 听 | 听 |
| Intangible Assets | 听 | 听 | 听 |
| Intangibles not subject to amortization | $ 143 | $ 143 | 听 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition. No definition available.
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