Summary of Significant Accounting Policies - Revenue recognition - Disaggregation of revenue - SIRIUS XM (Details) - USD ($) $ in Millions |
12 Months Ended | ||
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Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Revenue disaggregated by source | |||
Revenue | $ 9,363 | $ 10,292 | $ 8,040 |
Sirius XM Holdings | |||
Revenue disaggregated by source | |||
Revenue | $ 8,040 | 7,794 | 5,771 |
Activation fees, recognition period | 1 month | ||
Sirius XM Holdings | Minimum | |||
Revenue disaggregated by source | |||
Subscription period | 3 months | ||
Sirius XM Holdings | Maximum | |||
Revenue disaggregated by source | |||
Subscription period | 12 months | ||
Sirius XM Holdings | Subscriber | |||
Revenue disaggregated by source | |||
Revenue | $ 6,372 | 6,120 | 5,264 |
Sirius XM Holdings | Advertising | |||
Revenue disaggregated by source | |||
Revenue | 1,340 | 1,336 | 188 |
Sirius XM Holdings | Equipment | |||
Revenue disaggregated by source | |||
Revenue | 173 | 173 | 155 |
Sirius XM Holdings | Other | |||
Revenue disaggregated by source | |||
Revenue | $ 155 | $ 165 | $ 164 |
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- Definition Period in which remaining performance obligation for activation fees is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. No definition available.
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- Definition The period of time available under a subscription. No definition available.
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- References No definition available.
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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