CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES (Tables)

6 Months Ended

Jun. 30, 2015

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

Schedule of Cash, Cash Equivalents and Short-term Investments

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

June 30, 2015	Cost Basis		Unrealized Gains		Unrealized Losses			Fair Value
Cash	$	5	$	—	$	—		$	5
Cash equivalents	40		—		—			40
Cash and cash equivalents	45		—		—			45
U.S. government and agency securities	179		—		—			179
Foreign government bonds	31		—		—			31
Asset-backed securities	131		—		—			131
Mortgage-backed securities	120		1		(1		)	120
Corporate notes and bonds	662		3		(1		)	664
Municipal securities	22		—		—			22
Marketable securities	1,145		4		(2		)	1,147
Total	$	1,190	$	4	$	(2	)	$	1,192

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)

Activity for marketable securities (in millions):  

	Three Months Ended June 30,					Six Months Ended June 30,
	2015			2014		2015			2014
Proceeds from sales and maturities	$	417		$	171	$	676		$	398
Gross realized gains	1			1		2			2
Gross realized losses	(1		)	—		(2		)	(1		)

Schedule of Debt Investment Maturities

Maturities for marketable securities (in millions):

June 30, 2015	Cost Basis		Fair Value
Due in one year or less	$	105	$	105
Due after one year through five years	1,038		1,040
Due after five years through 10 years	2		2
Due after 10 years	—		—
Total	$	1,145	$	1,147