Goodwill and Other Intangible Assets - Impairments (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2020	Dec. 31, 2021
Indefinite-lived Intangible Assets [Line Items]
Impairments of goodwill	$ 956
Goodwill, Impaired, Accumulated Impairment Loss		$ 956
Pandora
Indefinite-lived Intangible Assets [Line Items]
Impairments of goodwill	956
Pandora \| Trademarks
Indefinite-lived Intangible Assets [Line Items]
Impairment of intangible assets, indefinite-lived (excluding goodwill)	$ 20

Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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Amount of impairment loss resulting from write-down of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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