Equity method investment, voting interest.

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- Definition

Number of satellite radio systems.

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- Definition

Number Of Subscribers

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Related party transaction related party ownership percentage.

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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.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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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.

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Business & Basis of Presentation (Details) subscriber in Millions, $ in Millions			12 Months Ended
	Oct. 16, 2020 USD ($)	Jun. 16, 2020 USD ($)	Dec. 31, 2021 USD ($) subscriber segment satellite_radio_system	Dec. 31, 2020 USD ($)	Feb. 10, 2020 USD ($)
Related Party Transaction [Line Items]
Number of reportable segments \| segment			2
Number of satellite radio systems \| satellite_radio_system			2
Benefit in amount of contingent consideration, liability			$ 17
Simplecast
Related Party Transaction [Line Items]
Payments to acquire businesses, gross		$ 28
Stitcher
Related Party Transaction [Line Items]
Payments to acquire businesses, gross	$ 266
Consideration for acquisition	302
Contingent consideration, liability	$ 36
Sirius XM Canada \| Equity Method Investee
Related Party Transaction [Line Items]
Equity method investment, equity interest percentage			70.00%
Equity method investment, voting interest percentage			33.00%
Equity method investments			$ 334	$ 332
SoundCloud Holdings, LLC
Related Party Transaction [Line Items]
Equity method investments					$ 75
Liberty Media \| Management \| Common Stock
Related Party Transaction [Line Items]
Related party ownership percentage			81.00%
Sirius XM
Related Party Transaction [Line Items]
Number of subscribers \| subscriber			34.0
Pandora
Related Party Transaction [Line Items]
Number of subscribers \| subscriber			6.4