EMPLOYEE BENEFIT PLANS (Components of Net Periodic Benefit Cost) (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Pension Benefits [Member]
Components of Net Periodic Benefit Plan Cost
Service Cost	$ 2	$ 3	$ 5	$ 6
Interest Cost	5	4	9	8
Expected Return on Plan Assets	(5)	(5)	(11)	(10)
Amortization of Actuarial (Gain) Loss	(1)	(2)	(2)	(4)
Net Periodic Benefit Plan Cost	3	4	5	8
Other Retiree Benefits [Member]
Components of Net Periodic Benefit Plan Cost
Service Cost	1	1	2	2
Interest Cost	0	1	1	1
Expected Return on Plan Assets	0	0	0	0
Amortization of Actuarial (Gain) Loss	0	0	0	0
Net Periodic Benefit Plan Cost	$ 1	$ 2	$ 3	$ 3