EMPLOYEE BENEFITS Schedule of Net Periodic (Income) Cost (Details) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 2	$ 2
Interest cost	36	36
Expected return on plan assets	(50)	(55)
Amortization of actuarial loss	12	12
Net periodic pension (income) cost	0	(5)
Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	2
Interest cost	33	33
Expected return on plan assets	(50)	(55)
Amortization of actuarial loss	11	10
Net periodic pension (income) cost	(4)	(10)
Non-Qualified Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0
Interest cost	3	3
Expected return on plan assets	0	0
Amortization of actuarial loss	1	2
Net periodic pension (income) cost	$ 4	$ 5