CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

12 Months Ended

Dec. 31, 2015

Cash, Cash Equivalents, and Short-term Investments [Abstract]

Schedule of Cash, Cash Equivalents and Short-term Investments [Table Text Block]

Components for cash, cash equivalents and marketable securities (in millions):

December 31, 2015	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	4	$	—	$	—		$	4
Cash equivalents	69		—		—			69
Cash and cash equivalents	73		—		—			73
U.S. government and agency securities	254		—		(1		)	253
Foreign government bonds	31		—		—			31
Asset-backed securities	130		—		—			130
Mortgage-backed securities	117		—		(1		)	116
Corporate notes and bonds	711		1		(4		)	708
Municipal securities	17		—		—			17
Marketable securities	1,260		1		(6		)	1,255
Total	$	1,333	$	1	$	(6	)	$	1,328

December 31, 2014	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	4	$	—	$	—		$	4
Cash equivalents	103		—		—			103
Cash and cash equivalents	107		—		—			107
U.S. government and agency securities	166		—		—			166
Foreign government bonds	25		—		—			25
Asset-backed securities	130		—		—			130
Mortgage-backed securities	127		—		(1		)	126
Corporate notes and bonds	644		3		(2		)	645
Municipal securities	18		—		—			18
Marketable securities	1,110		3		(3		)	1,110
Total	$	1,217	$	3	$	(3	)	$	1,217

Schedule of Realized Gain (Loss) [Table Text Block]

Activity for marketable securities (in millions):  

	2015			2014			2013
Proceeds from sales and maturities	$	1,175		$	1,092		$	1,089
Gross realized gains	2			4			4
Gross realized losses	(3		)	(2		)	(2		)

Schedule of Debt Investment Maturities [Table Text Block]

Maturities for marketable securities (in millions):

December 31, 2015	Cost Basis		Fair Value
Due in one year or less	$	182	$	182
Due after one year through five years	1,055		1,050
Due after five years through 10 years	14		14
Due after 10 years	9		9
Total	$	1,260	$	1,255