FAIR VALUE MEASUREMENTS (Reconciliation of Beginning and Ending Balances of Assets and Liabilities Unobservable Inputs) (Details) - Significant Unobservable Inputs, Level 3 - Contingent Consideration $ in Millions	9 Months Ended
	Sep. 30, 2020 USD ($)
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Balance, December 31, 2019	$ 7
Settlements	(6)
Total (gains)/losses included in earnings - realized/unrealized	(1)
Balance, September 30, 2020	$ 0