INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Line Items]
Earnings Before Income Taxes	$ 1,627	$ 1,776	$ 1,323	$ 3,755
Provision for Income Taxes	$ 1,707	$ 337	$ 2,169	$ 601
Effective Tax Rate	104.90%	19.00%	163.90%	16.00%
Deferred income taxes			$ 1,365	$ (113)
Otezla Divestiture [Member]
Income Tax Disclosure [Line Items]
Provision for Income Taxes	$ 255
Internal Transfer of Product Rights [Member]
Income Tax Disclosure [Line Items]
Deferred income taxes	853
Minimum [Member]
Income Tax Disclosure [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	350		350
Maximum [Member]
Income Tax Disclosure [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	$ 390		$ 390