EMPLOYEE BENEFIT PLANS (TABLES)

6 Months Ended

Jun. 30, 2013

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Benefit Costs [Table Text Block]

Net periodic benefit costs recognized included the following components for the three months ended June 30, 2013 (in millions): 

	Three Months Ended June 30,
	Qualified						Nonqualified				Postretirement Medical
	2013			2012			2013		2012		2013		2012
Service cost	$	12		$	9		$	1	$	—	$	1	$	1
Interest cost	18			18			—		1		1		2
Expected return on assets	(28		)	(23		)	—		—		—		—
Amortization of prior service cost	—			—			—		—		—		—
Recognized actuarial loss	11			10			—		—		—		—
Total	$	13		$	14		$	1	$	1	$	2	$	3

Net periodic benefit costs recognized included the following components for the six months ended June 30, 2013 (in millions):

	Six Months Ended June 30,
	Qualified						Nonqualified				Postretirement Medical
	2013			2012			2013		2012		2013		2012
Service cost	$	23		$	19		$	1	$	—	$	2	$	2
Interest cost	36			37			1		1		2		3
Expected return on assets	(55		)	(47		)	—		—		—		—
Amortization of prior service cost	—			(1		)	—		—		—		—
Recognized actuarial loss	21			20			—		—		—		—
Total	$	25		$	28		$	2	$	1	$	4	$	5