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Acquisitions - Additional Information (Details) $ in Millions |  |  |  |  | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Apr. 23, 2021 USD ($) | Oct. 16, 2020 USD ($) | Jun. 16, 2020 USD ($) | Feb. 01, 2019 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |  |  |  |  |  |
Goodwill |  |  |  |  | $ 3,151 | $ 3,843 | $ 3,122
Benefit in amount of contingent consideration, liability |  |  |  |  | $ 17 |  |
Finite-lived intangible assets |  |  |  | $ 776 |  |  |
1.75% Senior Notes Due 2020 | Senior Notes |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  |  |  | 1.75%
1.75% Senior Notes Due 2023 |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  | 1.75% |  |
1.75% Senior Notes Due 2023 | Senior Notes |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  | 1.75% |  |
Software and technology |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Weighted average useful lives (years) |  |  |  |  | 7 years |  |
Series of Individually Immaterial Business Acquisitions |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration for acquisition | $ 27 |  |  |  |  |  |
Payments to acquire businesses, gross | 20 |  |  |  |  |  |
Consideration transferred, liabilities incurred | 3 |  |  |  |  |  |
Goodwill | 23 |  |  |  |  |  |
Assets acquired and liabilities assumed other assets | 5 |  |  |  |  |  |
Series of Individually Immaterial Business Acquisitions | Restricted Stock Units (RSUs) |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Equity interest issued or issuable, value assigned | $ 4 |  |  |  |  |  |
Stitcher |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration for acquisition |  | $ 302 |  |  |  |  |
Payments to acquire businesses, gross |  | 266 |  |  |  |  |
Net working capital adjustments |  |  |  |  | $ 5 |  |
Goodwill |  | 224 |  |  |  |  |
Contingent consideration, liability |  | 36 |  |  |  |  |
Amortizable intangible assets acquired |  | $ 38 |  |  |  |  |
Simplecast |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Payments to acquire businesses, gross |  |  | $ 28 |  |  |  |
Goodwill |  |  | 17 |  |  |  |
Amortizable intangible assets acquired |  |  | 12 |  |  |  |
Deferred tax liabilities acquired |  |  | 1 |  |  |  |
Simplecast | Maximum |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Other assets acquired |  |  | $ 1 |  |  |  |
Pandora |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Consideration for acquisition |  |  |  | 2,879 |  |  |
Equity interest issued or issuable, value assigned |  |  |  | 2,285 |  |  |
Goodwill |  |  |  | 1,553 |  | 1,553 |
Amortizable intangible assets acquired |  |  |  | 1,107 |  |  |
Consideration of common stock and replacement equity awards for pre-combination service |  |  |  | $ 2,355 |  |  |
Exchange ratio (in shares per share) |  |  |  | 1.44 |  |  |
Sirius XM’s Pandora preferred stock investment (related party fair value instrument) canceled |  |  |  | $ 524 |  |  |
Acquisition of business, net of cash acquired |  |  |  | 313 |  |  |
Gross operating loss carryforwards |  |  |  | 1,287 |  |  |
Revenue of acquire since acquisition date, actual |  |  |  |  |  | 1,607 |
Net loss |  |  |  |  |  | $ 303 |
Pandora | 1.75% Senior Notes Due 2020 | Senior Notes |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Stated interest rate (as a percent) |  |  |  |  | 1.75% |  |
Pandora | Trademarks |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Fair value of acquired trademarks |  |  |  | $ 331 |  |  |
Pandora And Stitcher Acquisition | Customer relationships |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Weighted average useful lives (years) |  |  |  | 8 years |  |  |
Pandora And Stitcher Acquisition | Software and technology |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Weighted average useful lives (years) |  |  |  | 5 years |  |  |

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