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	3 Months Ended
	Mar. 31, 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	12
Settlements	0
Included in earnings	1
Balance, March 31, 2018	$ 20