FAIR VALUE MEASUREMENTS (Reconciliation of Beginning and Ending Balances of Assets and Liabilities Unobservable Inputs) (Details) - Significant Unobservable Inputs, Level 3 [Member] - Contingent Consideration [Member] $ in Millions	9 Months Ended
	Sep. 30, 2018 USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, December 31, 2017	$ 7
Purchases, additions and issuances	17
Settlements	(1)
Total gains/losses included in earnings - realized/unrealized	(11)
Balance, September 30, 2018	$ 12