CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

12 Months Ended

Dec. 31, 2016

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, 2016	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	283	$	—	$	—		$	283
Cash equivalents	45		—		—			45
Cash and cash equivalents	328		—		—			328
U.S. government and agency securities	290		—		(3		)	287
Foreign government bonds	36		—		—			36
Asset-backed securities	138		—		—			138
Mortgage-backed securities	89		—		—			89
Corporate notes and bonds	693		2		(4		)	691
Municipal securities	11		—		—			11
Marketable securities	1,257		2		(7		)	1,252
Total	$	1,585	$	2	$	(7	)	$	1,580

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

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

Activity for marketable securities (in millions):  

	2016			2015			2014
Proceeds from sales and maturities	$	962		$	1,175		$	1,092
Gross realized gains	3			2			4
Gross realized losses	(1		)	(3		)	(2		)

Schedule of Debt Investment Maturities [Table Text Block]

Maturities for marketable securities (in millions):

December 31, 2016	Cost Basis		Fair Value
Due in one year or less	$	182	$	182
Due after one year through five years	1,070		1,065
Due after five years through 10 years	5		5
Due after 10 years	—		—
Total	$	1,257	$	1,252