EMPLOYEE BENEFIT PLANS (Tables)

6 Months Ended

Jun. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs

Net periodic benefit costs for the qualified defined-benefit plans included the following components (in millions): 

	Three Months Ended June 30,						Six Months Ended June 30,
	2017			2016			2017			2016
Service cost	$	10		$	9		$	20		$	18
Interest cost	18			19			36			37
Expected return on assets	(26		)	(27		)	(53		)	(54		)
Recognized actuarial loss	6			6			13			12
Total	$	8		$	7		$	16		$	13