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ACQUISITIONS - Schedule of Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions	Mar. 04, 2021	Oct. 23, 2020
MYR GmbH
Business Combination, Separately Recognized Transactions [Line Items]
Finite-lived intangible assets	$ 845
Deferred income taxes	(513)
Other assets (and liabilities), net	(187)
Total identifiable net assets	1,335
Goodwill	226
Total consideration transferred	1,561
MYR GmbH | Acquired IPR&D
Business Combination, Separately Recognized Transactions [Line Items]
Acquired IPR&D	$ 1,190
Immunomedics
Business Combination, Separately Recognized Transactions [Line Items]
Cash and cash equivalents		$ 726
Inventories		946
Deferred income taxes		(4,565)
Liability related to future royalties		(1,100)
Other assets (and liabilities), net		64
Total identifiable net assets		16,606
Goodwill		3,991
Total consideration transferred		20,597
Immunomedics | Acquired IPR&D
Business Combination, Separately Recognized Transactions [Line Items]
Acquired IPR&D		15,760
Immunomedics | Trodelvy for mTNBC
Business Combination, Separately Recognized Transactions [Line Items]
Finite-lived intangible assets		4,600
Immunomedics | Outlicense contract
Business Combination, Separately Recognized Transactions [Line Items]
Finite-lived intangible assets		$ 175

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Amount of deferred tax liability attributable to taxable temporary differences assumed at the acquisition date.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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