OTHER FINANCIAL DATA - U.S. TREASURY GRANTS RECEIVABLE (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
U S Treasury Grants Receivable Disclosure [Abstract]
U.S. Treasury grants receivable	$ 164		$ 164	$ 258	[1]
Reduction in tax benefit due to sequestration		5
Proceeds From U S Treasury Grants	74		74
Sequestration of U.S. Treasury grants receivable			$ 23

[1] Derived from audited financial statements.