DERIVATIVES AND HEDGING ACTIVITIES Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Jun. 30, 2020
Gain / (Loss) Recorded to AOCI After Tax, That Is Expected to be Reclassified to Earnings	$ 13
Designated as Hedging Instrument | Fair Value Hedging [Member] | Interest Rate Contract [Member]
Terminated derivative, notional amount	700
Terminated derivative, fair value, net	85
Designated as Hedging Instrument | Net Investment Hedging [Member] | Interest Rate Contract [Member]
Terminated derivative, notional amount	135
Terminated derivative, fair value, net	$ 8
Designated as Hedging Instrument | Net Investment Hedging [Member] | Interest Rate Contract [Member] | Subsequent Event [Member]
Terminated derivative, fair value, net		$ 25