QUARTERLY OPERATIONS Quarterly Operations (Tables)

12 Months Ended

Dec. 31, 2015

Quarterly Financial Information Disclosure [Abstract]

Schedule of Quarterly Financial Information [Table Text Block]

The following table provides certain quarterly financial information for the periods presented:

	Quarters Ended
	March 31, 2015			June 30, 2015			September 30, 2015		December 31, 2015			Total
Operating revenues	$	155		$	128		$	126	$	139		$	548
Operating income	53			31			26		43			153
Net income (loss)	31			(6		)	76		24			125
Net income (loss) attributable to partners	31			(6		)	76		24			125
	Quarters Ended
	March 31, 2014			June 30, 2014			September 30, 2014		December 31, 2014			Total
Operating revenues	$	178		$	128		$	132	$	143		$	581
Operating income	90			34			31		38			193
Net income (loss)	(35		)	16			23		(7		)	(3		)
Net income (loss) attributable to partners	(41		)	16			23		(7		)	(9		)