FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Available-for-sale) (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	$ 6,584	$ 4,532
Marketable Securities, Gross Unrealized Gain in Accumulated OCI	40	47
Marketable Securities, Gross Unrealized Loss in Accumulated OCI	(9)	(13)
Available-for-sale Securities	6,615	4,566
Available-for-sale Securities, Current	2,269	819
Certificates of Deposit [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	1,163	122
Available-for-sale Securities	1,163	122
Commercial Paper [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	250
Available-for-sale Securities	250
Corporate Debt Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	5,148	4,401
Marketable Securities, Gross Unrealized Gain in Accumulated OCI	33	44
Marketable Securities, Gross Unrealized Loss in Accumulated OCI	(9)	(13)
Available-for-sale Securities	5,172	4,432
Available-for-sale securities, Debt maturities, After one through five years, Fair value	4,316
Auction Rate Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	9	9
Marketable Securities, Gross Unrealized Gain in Accumulated OCI	3	3
Available-for-sale Securities	12	12
Available-for-sale securities, Debt maturities, After ten years, Fair value	12
Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Marketable Securities, Amortized Cost	14
Marketable Securities, Gross Unrealized Gain in Accumulated OCI	4
Available-for-sale Securities	18
Equity Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Marketable Securities, Current	91	74
Fixed Income Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Marketable Securities, Current	10	46
Other Assets [Member] | Equity Securities [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Available-for-sale Securities, Noncurrent	$ 18