CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - MATURITIES (Details) (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Cost Basis [Abstract]
Due in one year or less	$ 141
Due after one year through five years	958
Due after five years through 10 years	10
Marketable securities, Cost Basis	1,110	1,250
Fair Value [Abstract]
Due in one year or less	140
Due after one year through five years	959
Due after five years through 10 years	10
Marketable securities, Fair Value	1,110	1,250
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value	$ 1	$ 1