INCOME TAXES (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Income Tax Disclosure [Line Items]
Earnings Before Income Taxes	$ 2,257	$ 1,349	$ 3,580	$ 5,104
Provision for Income Taxes	$ 379	$ (17)	$ 2,548	$ 584
Effective Tax Rate	16.80%	(1.30%)	71.20%	11.40%
Deferred income taxes			$ 1,419	$ (536)
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations		$ 81
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent			31.30%
Otezla Divestiture [Member]
Income Tax Disclosure [Line Items]
Provision for Income Taxes	$ 266
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