Investments (Tables)

6 Months Ended

Jun. 30, 2016

Investments, Debt and Equity Securities [Abstract]

Trading Securities [Table Text Block]

The following table summarizes the fair value of investments held as of June 30, 2016 and December 31, 2015 (in millions):

	June 30, 2016		December 31, 2015
Debt securities	$	51	$	57
Equity securities	65		63
Total	$	116	$	120

Recognized Gain (Loss) on Investments [Table Text Block]

The following table presents gains and losses recognized in earnings for the Company (in millions):

	Three Months Ended June 30,					Six Months Ended June 30,
	2016		2015			2016			2015
Gains	$	2	$	—		$	7		$	—
Losses	—		(2		)	(4		)	(2		)
Net Gain	$	2	$	(2	)	$	3		$	(2	)