FINANCIAL INSTRUMENTS (Fair Value and Gross Unrealized Losses of the Company's Investments) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2013		Sep. 30, 2012	Dec. 31, 2012
Schedule of Available-for-sale Securities [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	$ (1)
Temporarily Impaired Securities, Less than 12 Months, Fair Value	434	[1]		52	[1]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months	18	[1]		3	[1]
Other than temporary impairment write-downs on investments still held	2		5
Cost method investments, aggregate cost	184			176
Cost method investments, reduction in cost basis due to impairment	4		3
US Treasury and Government [Member]
Schedule of Available-for-sale Securities [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	100	[1]		0	[1]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months	5	[1]		0	[1]
Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	265	[1]		22	[1]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months	10	[1]		1	[1]
Corporate Bonds - Investment Grade [Member]
Schedule of Available-for-sale Securities [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	165	[1]		22	[1]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months	5	[1]		1	[1]
Equity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Temporarily Impaired Securities, Less than 12 Months, Fair Value	169	[1]		30	[1]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months	$ 8	[1]		$ 2	[1]

[1] (1)Unrealized losses of 12 months or more were less than $1 million