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FAIR VALUE MEASUREMENTS - Additional Information (Details) € in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Mar. 31, 2021 EUR (€)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
In-process research and development impairment	$ 1,750	$ 0	$ 4,180	$ 0
Immunomedics \| Fair Value, Nonrecurring \| Level 3 \| Estimate of Fair Value Measurement
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Future royalties	1,000		1,000		$ 1,200
Immunomedics \| Fair Value, Nonrecurring \| Level 3 \| Carrying Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Future royalties	$ 1,200		$ 1,200		$ 1,200
Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Foreign currency derivative contract maturities (in months)	18 months		18 months
Maximum \| MYR GmbH
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Liability for MYR GmbH (“MYR”) contingent consideration \| €						€ 300