ALLIANCES - Financial Information Pertaining to Alliances (Eisai) (Details) - Eisai - Collaborative Arrangement $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Upfront payments for licensing and alliance arrangements	$ 650
Consideration for contingent development and regulatory approval	$ 2,500

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