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Commitments and Contingencies - Additional Information (Details) | 12 Months Ended
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Dec. 31, 2020 USD ($) satellite | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
Loss Contingencies [Line Items] |  |  |
Number of replacement satellites | satellite | 2 |  |
Rent expense recognized | $ 73,000,000 | $ 75,000,000 | $ 43,000,000
Copyright Royalty Board Proceeding to Determine the Rate for Statutory Webcasting |  |  |
Loss Contingencies [Line Items] |  |  |
Webcaster fee, non-subscription (USD per transmission) | 0.0011 |  |
Webcaster fee, subscription (USD per transmission) | 0.0016 |  |
Webcaster fee, non-subscription, proposed rate (USD per transmission) | 0.0028 |  |
Webcaster fee, subscription, proposed rate (USD per transmission) | 0.0031 |  |
Surety Bond |  |  |
Loss Contingencies [Line Items] |  |  |
Estimate of possible loss | $ 45,000,000 |  |
Minimum |  |  |
Loss Contingencies [Line Items] |  |  |
Operating lease obligations, term (years) | 1 year |  |
Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Operating lease obligations, term (years) | 15 years |  |
XM-5, FM-5, FM-6, XM-3, and XM-4 |  |  |
Loss Contingencies [Line Items] |  |  |
Operating performance over design life | 15 years |  |
XM-4 |  |  |
Loss Contingencies [Line Items] |  |  |
Period beyond expected operating performance of design life for XM-4 | 5 years |  |
XM-4 | Maximum |  |  |
Loss Contingencies [Line Items] |  |  |
Additional payments required if XM-4 continues to operate above baseline specifications | $ 10,000,000 |  |
Royalty Arrangement |  |  |
Loss Contingencies [Line Items] |  |  |
Prepayments made of minimum guarantee payments | 5,000,000 |  |
Future minimum guarantee payments | 26,000,000 |  |
Other commitment, to be paid, year one | $ 14,000,000 |  |

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