Acquisitions, Divestitures and Other Arrangements - Assets and Liabilities Held for Sale (Details) - Worldwide rights to Osurnia and U.S. rights to Capstar - Held for Sale $ in Millions	Dec. 31, 2021 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Inventories	$ 31
Property and equipment, net	50
Total assets held for sale	$ 81

Amount classified as assets attributable to disposal group held for sale or disposed of.

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