CASH, CASH EQUIVALENTS AND MARKETABLE SECURITIES - MATURITIES (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Cost Basis [Abstract]
Due in one year or less	$ 232
Due after one year through five years	1,140
Due after five years through 10 years	3
Marketable securities, Cost Basis	1,375	1,119
Fair Value [Abstract]
Due in one year or less	232
Due after one year through five years	1,137
Due after five years through 10 years	3
Marketable securities, Fair Value	$ 1,372	$ 1,130