INTANGIBLE ASSETS (Schedule of Amortization Expense of Intangible Assets) (Table and Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 81		$ 81		$ 79
Finite-Lived Intangible Assets, Accumulated Amortization	(73)		(73)		(72)
Finite-Lived Intangible Assets, Net	8		8		7
Capitalized Computer Software, Amortization	1	1	1	2
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	33		33		33
Finite-Lived Intangible Assets, Accumulated Amortization	(33)		(33)		(33)
Finite-Lived Intangible Assets, Net	0		0		0
Software [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	48		48		46
Finite-Lived Intangible Assets, Accumulated Amortization	(40)		(40)		(39)
Finite-Lived Intangible Assets, Net	$ 8		$ 8		$ 7