FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Derivatives and Hedging) (Details) € in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2017 USD ($)	Dec. 31, 2017 EUR (€)	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Derivatives and Hedging [Line Items]
Notional amount of U.S. dollar interest rate contracts maturing March 2017	$ 750
Period of reclassification to earnings, cash flow hedges	2	2
The period, in days, after a forecasted transaction after which cash flow hedge accounting is discontinued	60	60
Notional amount of nonderivative non-U.S. dollar borrowings designated as net investment hedges	$ 1,127	€ 950
Effective portion of foreign exchange losses	$ 134
Effective portion of foreign exchange gains			$ 48	$ 80
LIBOR	1.56%
Executed interest rate swaps, Notional amount	$ 255
Terminated interest rate swaps, Notional amount			500	147
Terminated interest rate swaps, Total proceeds including accrued interest			43	$ 28
Euro [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	1,904
Japanese Yen [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	311
Fair Value Level 2 [Member]
Derivatives and Hedging [Line Items]
Derivative Liability	52		30
Total derivatives at fair value, assets	13		75
Interest Rate Swap [Member] | Designated As Hedging Instrument [Member]
Derivatives and Hedging [Line Items]
Derivative Liability	(6)		(3)
Total derivatives at fair value, assets			1
Interest Rate Swap [Member] | Designated As Hedging Instrument [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives			750
Interest Rate Swap [Member] | Designated As Hedging Instrument [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	755		755
Forward Starting Interest Rate Swap Contracts [Member] | Designated As Hedging Instrument [Member]
Derivatives and Hedging [Line Items]
Derivative Liability			(11)
Total derivatives at fair value, assets			8
Forward Starting Interest Rate Swap Contracts [Member] | Designated As Hedging Instrument [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives			500
Forward Starting Interest Rate Swap Contracts [Member] | Designated As Hedging Instrument [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives			250
Foreign Exchange Forward [Member] | Designated As Hedging Instrument [Member]
Derivatives and Hedging [Line Items]
Derivative Liability	(9)		(9)
Total derivatives at fair value, assets	12		66
Foreign Exchange Forward [Member] | Designated As Hedging Instrument [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	944		967
Foreign Exchange Forward [Member] | Designated As Hedging Instrument [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	489		198
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivatives and Hedging [Line Items]
Derivative Liability	(37)		(7)
Total derivatives at fair value, assets	1
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Assets [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	206		106
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member] | Liability [Member]
Derivatives and Hedging [Line Items]
Notional amount of derivatives	$ 1,369		$ 360
Minimum [Member]
Derivatives and Hedging [Line Items]
Variable rate debt, Lower range of basis point spread	0.30%
Maximum [Member]
Derivatives and Hedging [Line Items]
Variable rate debt, Lower range of basis point spread	4.60%