Marketable Securities

12 Months Ended

Dec. 31, 2015

Investments, Debt and Equity Securities [Abstract]

Marketable Securities [Text Block]

Marketable Securities

	2015						2014
	Cost		Unrealized Gains (Losses)		Fair Value		Cost		Unrealized Gains (Losses)		Fair Value
U.S. government securities	$	38	$	—	$	38	$	38	$	—	$	38
Corporate securities	42				42		36				36
Certificates of deposit	18				18		23				23
Other	62		2		64		67		5		72
Total marketable securities	$	160	$	2	$	162	$	164	$	5	$	169

U.S. government securities include bonds issued by government-sponsored agencies and Treasury notes. Corporate securities include primarily debt securities. Other consists of investments in mutual and index funds. U.S. government securities, corporate debt and certificates of deposit maturing in one year or less, after one year through five years and after five years through ten years total $38, $54 and $6 at December 31, 2015.