FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Debt) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Debt Instrument [Line Items]
Principal value	$ 6,082	$ 6,082		$ 6,631
Adjustments to Principal Value, Fair value of interest rate swaps	78	78		146
Adjustments to Principal Value, Unamortized basis adjustment from swap terminations	454	454		509
Adjustments to Principal Value, Unamortized bond discounts	(52)	(52)		(54)
Total Long-term debt	6,562	6,562		7,232
Current portion of long-term debt	30	30		664
Long-term debt	6,532	6,532		6,568
Long term debt, fair value	7,109	7,109		8,285
Net proceeds received from the issuance of senior unsecured notes		12	1,950
Interest payments		158	125
Principal amount of 5.25% notes due 2013 that matured and were repaid	597	597	2,108
Commercial paper outstanding	680	680		826
Extinguishment of Debt, Principal Value			2,052
Extinguishment Of Debt, Carrying Value			2,081
Extinguishment of Debt, Repurchase Price			2,108
Extinguishment of Debt, Notional amount of interest rate swaps terminated			6
Extinguishment of Debt, Swap Termination Proceeds			2
Extinguishment of Debt, Total loss			27
Notes Due 2017, Notes Due 2022 and Notes Due 2042 [Member]
Debt Instrument [Line Items]
Adjustments to Principal Value, Unamortized bond discounts			(36)
Net proceeds received from the issuance of senior unsecured notes			1,950
Deferred loan issuance costs			14
Commercial Paper [Member]
Debt Instrument [Line Items]
The weighted average interest rate of commercial paper	0.12%	0.12%
The average amount of commercial paper outstanding		297
The maximum month end commercial paper outstanding		820
Commercial paper outstanding	470	470
Amylin Acquisition [Member]
Debt Instrument [Line Items]
Principal value			$ 2,000