FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Derivatives and Hedging) (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 EUR (€)
Derivatives and Hedging [Line Items]
Debt Instrument, Face Amount	$ 48,711	$ 44,335
Variable rate debt, Lower range of basis point spread	4.60%			4.60%
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	$ (216)	65	$ 86
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(54)	(103)	(4)
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	(19)	43	(245)
Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative Liability	24	6
Cross Currency Interest Rate Contract [Member]
Derivatives and Hedging [Line Items]
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	(11)	6	(5)
Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	(267)	65	86
Treasury Lock [Member]
Derivatives and Hedging [Line Items]
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax	51
Cost of products sold [Member] | Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Cost of products sold [Member] | Cross Currency Interest Rate Contract [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Cost of products sold [Member] | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(18)	(103)	(4)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	(54)	(103)	(4)
Cost of products sold [Member] | Zero Cost Collar Currency Contracts [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Cost of products sold [Member] | Forward Starting Interest Rate Swap Contracts [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Cost of products sold [Member] | Deal Contingent Forward Starting Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	0	0
Other Income [Member] | Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(29)	(24)	(23)
Other Income [Member] | Cross Currency Interest Rate Contract [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(10)	(9)	(8)
Other Income [Member] | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	(23)	11	(14)
Other Income [Member] | Zero Cost Collar Currency Contracts [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	2	0
Other Income [Member] | Forward Starting Interest Rate Swap Contracts [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	0	35	0
Other Income [Member] | Deal Contingent Forward Starting Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative, Gain (Loss) on Derivative, Net	$ 0	240	0
London Interbank Offered Rate (LIBOR) [Member]
Derivatives and Hedging [Line Items]
LIBOR	0.14%			0.14%
Designated as Hedging Instrument [Member]
Derivatives and Hedging [Line Items]
Debt Instrument, Face Amount	$ 1,200			€ 950
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax	(105)	29	$ 45
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	24	6
Derivative Liability	0	0
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	255	255
Designated as Hedging Instrument [Member] | Interest Rate Swap [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	0
Designated as Hedging Instrument [Member] | Cross Currency Interest Rate Contract [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	0	2
Derivative Liability	(10)	(1)
Designated as Hedging Instrument [Member] | Cross Currency Interest Rate Contract [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	175
Designated as Hedging Instrument [Member] | Cross Currency Interest Rate Contract [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	400	125
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	1	27
Derivative Liability	(259)	(20)
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	231	766
Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	5,813	980
Designated as Hedging Instrument [Member] | Treasury Lock [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	2,100
Designated as Hedging Instrument [Member] | Euro Member Countries, Euro | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	3,500
Designated as Hedging Instrument [Member] | Japan, Yen | Cross Currency Interest Rate Contract [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	400
Designated as Hedging Instrument [Member] | Japan, Yen | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	1,200
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	17	91
Derivative Liability	(1)	(10)
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	1,104	2,342
Not Designated as Hedging Instrument [Member] | Foreign Exchange Forward [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	336	1,173
Not Designated as Hedging Instrument [Member] | Zero Cost Collar Currency Contracts [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	0	14
Derivative Liability	0	(9)
Not Designated as Hedging Instrument [Member] | Zero Cost Collar Currency Contracts [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	2,482
Not Designated as Hedging Instrument [Member] | Zero Cost Collar Currency Contracts [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	2,235
Not Designated as Hedging Instrument [Member] | Other Contract [Member]
Derivatives and Hedging [Line Items]
Total derivatives at fair value, assets	27	0
Derivative Liability	0	0
Not Designated as Hedging Instrument [Member] | Other Contract [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	0
Not Designated as Hedging Instrument [Member] | Other Contract [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	0	$ 0
Not Designated as Hedging Instrument [Member] | Forward Starting Interest Rate Swap Contracts [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	7,600
Not Designated as Hedging Instrument [Member] | Deal Contingent Forward Starting Interest Rate Swap [Member]
Derivatives and Hedging [Line Items]
Derivative, Notional Amount	$ 10,400