INCOME TAXES INCOME TAXES (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Valuation Allowance [Line Items]
Tax Cuts and Jobs Act, Transition Tax for Accumulated Foreign Earnings, Liability		$ 56	$ 2,900
Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act, Percent		0.009	0.567
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 849	$ 94	$ 0
Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations, Including Interest Accrued	81	119
Deferred Tax Assets, Valuation Allowance	2,844	3,193
Income tax payments	1,503	$ 747	$ 546
Foreign Net Operating Loss And Tax Credit Carryforwards [Member]
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	2,400
State Net Operating Loss And Tax Credit Carryforwards [Member]
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	206
SEC Schedule, 12-09, Valuation Allowance, Other Tax Carryforward [Member]
Valuation Allowance [Line Items]
Deferred Tax Assets, Valuation Allowance	218
Domestic Tax Authority [Member]
Valuation Allowance [Line Items]
Operating Loss Carryforwards	216
Minimum [Member]
Valuation Allowance [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	290
Maximum [Member]
Valuation Allowance [Line Items]
Decrease in Unrecognized Tax Benefits is Reasonably Possible	330
Otezla [Member]
Valuation Allowance [Line Items]
Effective Income Tax Rate Reconciliation, Other Adjustments, Amount	$ 808