FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Derivatives and Hedging) (Details) € in Millions, $ in Millions	9 Months Ended
	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 EUR (€)	Sep. 30, 2017 USD ($)	Dec. 31, 2016 USD ($)
Derivative [Line Items]
Document Period End Date	Sep. 30, 2017
Notional amount of terminated forward starting interest rate swap contracts	$ 750
Notional amount of nonderivative instruments designated as net investment hedges			€ 950	$ 1,126
Notional amount of terminated interest rate swaps		$ 500
Proceeds from terminated interest rate swaps including accrued interest		$ 43
Interest Rate Swap [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount					$ 750
Derivative asset					1
Derivative Liability, Notional Amount				755	755
Derivative Liabilities				(3)	(3)
Forward Starting Interest Rate Swap Contracts [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount					500
Derivative asset					8
Derivative Liability, Notional Amount					250
Derivative Liabilities					(11)
Foreign Exchange Forward [Member] | Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount				1,351	967
Derivative asset				25	66
Derivative Liability, Notional Amount				548	198
Derivative Liabilities				(28)	(9)
Foreign Exchange Forward [Member] | Not Designated as Hedging Instrument [Member]
Derivative [Line Items]
Derivative Asset, Notional Amount				322	106
Derivative asset				6
Derivative Liability, Notional Amount				1,183	360
Derivative Liabilities				(32)	$ (7)
Euro Member Countries, Euro | Cash Flow Hedging [Member]
Derivative [Line Items]
Notional amount of derivatives				2,212
Japan, Yen | Cash Flow Hedging [Member]
Derivative [Line Items]
Notional amount of derivatives				$ 586